| 1 | Aerospace and Defense | 1_1 | Aerospace Products and Parts |
| 1 | Aerospace and Defense | 1_2 | Aerospace Research and Development |
| 1 | Aerospace and Defense | 1_3 | Aircraft Manufacturing |
| 1 | Aerospace and Defense | 1_4 | Military Vehicles Manufacturing |
| 1 | Aerospace and Defense | 1_5 | Ordnance, Missiles, Weaponry and Related |
| 1 | Aerospace and Defense | 1_6 | Space Vehicles, Satellites and Related |
| 2 | Agriculture and Forestry | 2_1 | Agricultural Machinery and Equipment |
| 2 | Agriculture and Forestry | 2_10 | Grains Farming |
| 2 | Agriculture and Forestry | 2_11 | Horticulture |
| 2 | Agriculture and Forestry | 2_12 | Irrigation and Drainage Districts |
| 2 | Agriculture and Forestry | 2_13 | Livestock and Husbandry |
| 2 | Agriculture and Forestry | 2_14 | Oilseeds Farming |
| 2 | Agriculture and Forestry | 2_15 | Pulses and Legume Farming |
| 2 | Agriculture and Forestry | 2_16 | Sericulture and Beekeeping |
| 2 | Agriculture and Forestry | 2_2 | Agricultural Product Distribution |
| 2 | Agriculture and Forestry | 2_3 | Agriculture Services |
| 2 | Agriculture and Forestry | 2_4 | Coffee, Tea and Cocoa Farming |
| 2 | Agriculture and Forestry | 2_5 | Cotton and Textile Farming |
| 2 | Agriculture and Forestry | 2_6 | Farming Materials and Supplies |
| 2 | Agriculture and Forestry | 2_7 | Fishing and Aquaculture |
| 2 | Agriculture and Forestry | 2_8 | Forestry and Logging |
| 2 | Agriculture and Forestry | 2_9 | Fruits and Vegetables Farming |
| 3 | Automotive | 3_1 | Automobile Parts Manufacturing |
| 3 | Automotive | 3_2 | Motor Vehicle Manufacturing |
| 3 | Automotive | 3_3 | Motor Vehicle Parts Suppliers |
| 3 | Automotive | 3_4 | Motor Vehicle Repair and Servicing |
| 3 | Automotive | 3_5 | Truck and Bus Parts Manufacturing |
| 3 | Automotive | 3_6 | Truck, Bus and Big Rig Manufacturing |
| 4 | Banks | 4_1 | Automated Teller Machine Operators |
| 4 | Banks | 4_10 | Offshore Banks |
| 4 | Banks | 4_11 | Regional Banks |
| 4 | Banks | 4_12 | Savings Institutions |
| 4 | Banks | 4_13 | Short-Term Business Loans and Credit |
| 4 | Banks | 4_14 | Trust, Fiduciary and Custody Activities |
| 4 | Banks | 4_2 | Banking Transaction Processing |
| 4 | Banks | 4_3 | Central Banks |
| 4 | Banks | 4_4 | Commercial Banking |
| 4 | Banks | 4_5 | Credit Agencies |
| 4 | Banks | 4_6 | Credit Unions |
| 4 | Banks | 4_7 | Islamic Banks |
| 4 | Banks | 4_8 | Landesbanken |
| 4 | Banks | 4_9 | Mortgage Banking |
| 5 | Chemicals | 5_1 | Agricultural Chemicals |
| 5 | Chemicals | 5_10 | Polymers and Films |
| 5 | Chemicals | 5_11 | Sealants and Adhesives |
| 5 | Chemicals | 5_12 | Specialty Chemicals |
| 5 | Chemicals | 5_2 | Commodity Chemicals |
| 5 | Chemicals | 5_3 | Diversified Chemicals |
| 5 | Chemicals | 5_4 | Explosives and Petrochemicals |
| 5 | Chemicals | 5_5 | Fine Chemicals |
| 5 | Chemicals | 5_6 | Industrial Fluid Manufacturing |
| 5 | Chemicals | 5_7 | Medicinal Chemicals and Botanicals |
| 5 | Chemicals | 5_8 | Paints, Dyes, Varnishes and Lacquers |
| 5 | Chemicals | 5_9 | Plastic and Fiber Manufacturing |
| 6 | Civic, Non-Profit and Membership Groups | 6_1 | Business Associations |
| 6 | Civic, Non-Profit and Membership Groups | 6_10 | Social Services Institutions |
| 6 | Civic, Non-Profit and Membership Groups | 6_2 | Charities |
| 6 | Civic, Non-Profit and Membership Groups | 6_3 | Environmental and Wildlife Organizations |
| 6 | Civic, Non-Profit and Membership Groups | 6_4 | Foundations |
| 6 | Civic, Non-Profit and Membership Groups | 6_5 | Humanitarian and Emergency Relief |
| 6 | Civic, Non-Profit and Membership Groups | 6_6 | Labor Unions |
| 6 | Civic, Non-Profit and Membership Groups | 6_7 | Political Organizations |
| 6 | Civic, Non-Profit and Membership Groups | 6_8 | Public Policy Research and Advocacy |
| 6 | Civic, Non-Profit and Membership Groups | 6_9 | Religious Organizations |
| 7 | Computer Hardware | 7_1 | ATMs and Self-Service Kiosks |
| 7 | Computer Hardware | 7_10 | Network Security Devices |
| 7 | Computer Hardware | 7_11 | POS and Electronic Retail Equipment |
| 7 | Computer Hardware | 7_12 | Printing and Imaging Equipment |
| 7 | Computer Hardware | 7_13 | Routing and Switching Devices |
| 7 | Computer Hardware | 7_14 | Semiconductors |
| 7 | Computer Hardware | 7_15 | Servers and Mainframes |
| 7 | Computer Hardware | 7_16 | Wireless Networking Equipment |
| 7 | Computer Hardware | 7_2 | CD and Other Optical Discs Production |
| 7 | Computer Hardware | 7_3 | Computer Monitors and Projectors |
| 7 | Computer Hardware | 7_4 | Computer Networking Equipment |
| 7 | Computer Hardware | 7_5 | Computer Peripherals and Accessories |
| 7 | Computer Hardware | 7_6 | Computer Storage Devices |
| 7 | Computer Hardware | 7_7 | Desktop and Laptop Computers |
| 7 | Computer Hardware | 7_8 | Handheld Devices and Smartphones |
| 7 | Computer Hardware | 7_9 | Magnetic and Optical Recording |
| 8 | Computer Software | 8_1 | Accounting and Tax Software |
| 8 | Computer Software | 8_10 | Business Intelligence Software |
| 8 | Computer Software | 8_11 | Casino Management Software |
| 8 | Computer Software | 8_12 | Catalog Management Software |
| 8 | Computer Software | 8_13 | Channel Partner Management Software |
| 8 | Computer Software | 8_14 | Collaborative Software |
| 8 | Computer Software | 8_15 | Compliance and Governance Software |
| 8 | Computer Software | 8_16 | Computer-Aided Manufacturing Software |
| 8 | Computer Software | 8_17 | Construction and Architecture Software |
| 8 | Computer Software | 8_18 | Content Management Software |
| 8 | Computer Software | 8_19 | Customer Relationship Management |
| 8 | Computer Software | 8_2 | Advertising Industry Software |
| 8 | Computer Software | 8_20 | Data Warehousing |
| 8 | Computer Software | 8_21 | Database Management Software |
| 8 | Computer Software | 8_22 | Defense and Military Software |
| 8 | Computer Software | 8_23 | Desktop Publishing Software |
| 8 | Computer Software | 8_24 | Development Tools and Utilities Software |
| 8 | Computer Software | 8_25 | Distribution Software |
| 8 | Computer Software | 8_26 | Document Management Software |
| 8 | Computer Software | 8_27 | E-commerce Software |
| 8 | Computer Software | 8_28 | Education and Training Software |
| 8 | Computer Software | 8_29 | Electronics Industry Software |
| 8 | Computer Software | 8_3 | Agriculture Industry Software |
| 8 | Computer Software | 8_30 | Engineering, Scientific and CAD Software |
| 8 | Computer Software | 8_31 | Enterprise Application Integration (EAI) |
| 8 | Computer Software | 8_32 | Enterprise Resource Planning Software |
| 8 | Computer Software | 8_33 | Event Planning Industry Software |
| 8 | Computer Software | 8_34 | File Management Software |
| 8 | Computer Software | 8_35 | Financial Services Software |
| 8 | Computer Software | 8_36 | Food and Beverage Industry Software |
| 8 | Computer Software | 8_37 | Health Care Management Software |
| 8 | Computer Software | 8_38 | Hotel Management Industry Software |
| 8 | Computer Software | 8_39 | Human Resources Software |
| 8 | Computer Software | 8_4 | Analytics and Reporting Software |
| 8 | Computer Software | 8_40 | Insurance Industry Software |
| 8 | Computer Software | 8_41 | Law Enforcement Industry Software |
| 8 | Computer Software | 8_42 | Legal Industry Software |
| 8 | Computer Software | 8_43 | Management Consulting Software |
| 8 | Computer Software | 8_44 | Manufacturing and Industrial Software |
| 8 | Computer Software | 8_45 | Marketing Automation Software |
| 8 | Computer Software | 8_46 | Message, Conference and Communications |
| 8 | Computer Software | 8_47 | Mobile Application Software |
| 8 | Computer Software | 8_48 | Multimedia and Graphics Software |
| 8 | Computer Software | 8_49 | Networking and Connectivity Software |
| 8 | Computer Software | 8_5 | Application Service Providers (ASPs) |
| 8 | Computer Software | 8_50 | Operating System Software |
| 8 | Computer Software | 8_51 | Order Management Software |
| 8 | Computer Software | 8_52 | Pharma and Biotech Software |
| 8 | Computer Software | 8_53 | Procurement Software |
| 8 | Computer Software | 8_54 | Project Management Software |
| 8 | Computer Software | 8_55 | Purchasing Software |
| 8 | Computer Software | 8_56 | Quality Assurance Software |
| 8 | Computer Software | 8_57 | Real Estate Industry Software |
| 8 | Computer Software | 8_58 | Restaurant Industry Software |
| 8 | Computer Software | 8_59 | Retail Management Software |
| 8 | Computer Software | 8_6 | Automotive Industry Software |
| 8 | Computer Software | 8_60 | Sales Force Automation Software |
| 8 | Computer Software | 8_61 | Sales Intelligence Software |
| 8 | Computer Software | 8_62 | Security Software |
| 8 | Computer Software | 8_63 | Service Industry Software |
| 8 | Computer Software | 8_64 | Smart Home Software |
| 8 | Computer Software | 8_65 | Storage and Systems Management Software |
| 8 | Computer Software | 8_66 | Supply Chain and Logistics Software |
| 8 | Computer Software | 8_67 | Telecommunication Software |
| 8 | Computer Software | 8_68 | Textiles Industry Software |
| 8 | Computer Software | 8_69 | Tourism Industry Software |
| 8 | Computer Software | 8_7 | Banking Software |
| 8 | Computer Software | 8_70 | Trading and Order Management Software |
| 8 | Computer Software | 8_71 | Transportation Industry Software |
| 8 | Computer Software | 8_72 | Warehousing Software |
| 8 | Computer Software | 8_73 | Wireless Communication Software |
| 8 | Computer Software | 8_8 | Billing and Service Provision Software |
| 8 | Computer Software | 8_9 | Budgeting and Forecasting Software |
| 9 | Construction and Building Materials | 9_1 | Aggregates, Concrete and Cement |
| 9 | Construction and Building Materials | 9_10 | Electric Lighting and Wiring |
| 9 | Construction and Building Materials | 9_11 | Electrical Contractors |
| 9 | Construction and Building Materials | 9_12 | Engineering Services |
| 9 | Construction and Building Materials | 9_13 | Hardware Wholesalers |
| 9 | Construction and Building Materials | 9_14 | Heavy Construction |
| 9 | Construction and Building Materials | 9_15 | Infrastructure Construction |
| 9 | Construction and Building Materials | 9_16 | Non-Residential General Contractors |
| 9 | Construction and Building Materials | 9_17 | Oil and Gas Pipeline Construction |
| 9 | Construction and Building Materials | 9_18 | Plumbing and HVAC Equipment |
| 9 | Construction and Building Materials | 9_19 | Plywood, Veneer and Particle Board |
| 9 | Construction and Building Materials | 9_2 | Apartment and Condominium Construction |
| 9 | Construction and Building Materials | 9_20 | Prefabricated Buildings |
| 9 | Construction and Building Materials | 9_21 | Residential General Contractors |
| 9 | Construction and Building Materials | 9_22 | Sawmills and Other Mill Operations |
| 9 | Construction and Building Materials | 9_23 | Sheet Metal |
| 9 | Construction and Building Materials | 9_24 | Single-Family Housing Builders |
| 9 | Construction and Building Materials | 9_25 | Specialty Construction |
| 9 | Construction and Building Materials | 9_26 | Specialty Trade Contractors |
| 9 | Construction and Building Materials | 9_27 | Stone Products |
| 9 | Construction and Building Materials | 9_28 | Water, Sewer and Power Line |
| 9 | Construction and Building Materials | 9_29 | Window and Door Manufacturing |
| 9 | Construction and Building Materials | 9_3 | Architecture Services |
| 9 | Construction and Building Materials | 9_30 | Wood Products Manufacturing |
| 9 | Construction and Building Materials | 9_4 | Asphalt and Roofing Materials |
| 9 | Construction and Building Materials | 9_5 | Carpentry and Floor Work |
| 9 | Construction and Building Materials | 9_6 | Ceramic, Tile, Roofing and Clay Products |
| 9 | Construction and Building Materials | 9_7 | Construction Equipment Manufacturing |
| 9 | Construction and Building Materials | 9_8 | Construction Equipment Sales |
| 9 | Construction and Building Materials | 9_9 | Construction Materials |
| 10 | Consumer Product Manufacturing | 10_1 | Apparel |
| 10 | Consumer Product Manufacturing | 10_10 | Dietary Supplements |
| 10 | Consumer Product Manufacturing | 10_11 | Dinnerware, Cookware and Cutlery |
| 10 | Consumer Product Manufacturing | 10_12 | Electronic Gaming Products |
| 10 | Consumer Product Manufacturing | 10_13 | Fashion Accessories |
| 10 | Consumer Product Manufacturing | 10_14 | Footwear |
| 10 | Consumer Product Manufacturing | 10_15 | Games and Toys |
| 10 | Consumer Product Manufacturing | 10_16 | Garden Equipment and Mowers |
| 10 | Consumer Product Manufacturing | 10_17 | Guns and Ammunition |
| 10 | Consumer Product Manufacturing | 10_18 | Hand and Power Tools |
| 10 | Consumer Product Manufacturing | 10_19 | Home Furnishings |
| 10 | Consumer Product Manufacturing | 10_2 | Art Supplies |
| 10 | Consumer Product Manufacturing | 10_20 | Home Storage Products |
| 10 | Consumer Product Manufacturing | 10_21 | Household Furniture |
| 10 | Consumer Product Manufacturing | 10_22 | Household Products |
| 10 | Consumer Product Manufacturing | 10_23 | Jewelry and Gemstones |
| 10 | Consumer Product Manufacturing | 10_24 | Leather Products |
| 10 | Consumer Product Manufacturing | 10_25 | Linens |
| 10 | Consumer Product Manufacturing | 10_26 | Major Appliances |
| 10 | Consumer Product Manufacturing | 10_27 | Mattresses and Bed Manufacturers |
| 10 | Consumer Product Manufacturing | 10_28 | Men's Clothing |
| 10 | Consumer Product Manufacturing | 10_29 | Musical Instruments |
| 10 | Consumer Product Manufacturing | 10_3 | Baby Supplies and Accessories |
| 10 | Consumer Product Manufacturing | 10_30 | Office Furniture and Fixtures |
| 10 | Consumer Product Manufacturing | 10_31 | Outdoor Furniture and Storage Products |
| 10 | Consumer Product Manufacturing | 10_32 | Paper Products |
| 10 | Consumer Product Manufacturing | 10_33 | Perfumes, Cosmetics and Toiletries |
| 10 | Consumer Product Manufacturing | 10_34 | Personal Products |
| 10 | Consumer Product Manufacturing | 10_35 | Pet Food Products |
| 10 | Consumer Product Manufacturing | 10_36 | Pet Products |
| 10 | Consumer Product Manufacturing | 10_37 | Photographic Equipment and Supplies |
| 10 | Consumer Product Manufacturing | 10_38 | Pottery |
| 10 | Consumer Product Manufacturing | 10_39 | Security and Alarm Systems |
| 10 | Consumer Product Manufacturing | 10_4 | Bicycles and Accessories |
| 10 | Consumer Product Manufacturing | 10_40 | Soaps and Detergents |
| 10 | Consumer Product Manufacturing | 10_41 | Specialty Cleaning Products |
| 10 | Consumer Product Manufacturing | 10_42 | Sporting Goods, Outdoor Gear and Apparel |
| 10 | Consumer Product Manufacturing | 10_43 | Sports Equipment |
| 10 | Consumer Product Manufacturing | 10_44 | Stationery and Related Products |
| 10 | Consumer Product Manufacturing | 10_45 | Textile Products |
| 10 | Consumer Product Manufacturing | 10_46 | Tobacco Products and Distributors |
| 10 | Consumer Product Manufacturing | 10_47 | Watches and Clocks |
| 10 | Consumer Product Manufacturing | 10_48 | Window Coverings and Wall Coverings |
| 10 | Consumer Product Manufacturing | 10_49 | Women's Clothing |
| 10 | Consumer Product Manufacturing | 10_5 | Carpets, Rugs and Floor Coverings |
| 10 | Consumer Product Manufacturing | 10_6 | Children's Clothing |
| 10 | Consumer Product Manufacturing | 10_7 | Collectibles and Giftware |
| 10 | Consumer Product Manufacturing | 10_8 | Consumer Electronics |
| 10 | Consumer Product Manufacturing | 10_9 | Costume Makers |
| 11 | Consumer Services | 11_1 | Auctions and Internet Auctions |
| 11 | Consumer Services | 11_10 | Gym, Spa and Fitness |
| 11 | Consumer Services | 11_11 | Landscaping and Gardening Services |
| 11 | Consumer Services | 11_12 | Laundry and Dry Cleaning Services |
| 11 | Consumer Services | 11_13 | Motor Vehicle Parking and Garages |
| 11 | Consumer Services | 11_14 | Motor Vehicle Rental and Leasing |
| 11 | Consumer Services | 11_15 | Moving Services |
| 11 | Consumer Services | 11_16 | Personal Services |
| 11 | Consumer Services | 11_17 | Photographic Services |
| 11 | Consumer Services | 11_18 | Plumbing Services |
| 11 | Consumer Services | 11_19 | Taxi and Limousine Services |
| 11 | Consumer Services | 11_2 | Beauty Salons |
| 11 | Consumer Services | 11_20 | Travel and Tourism |
| 11 | Consumer Services | 11_21 | Veterinary Care |
| 11 | Consumer Services | 11_22 | Wedding Planners |
| 11 | Consumer Services | 11_23 | Weight and Health Management |
| 11 | Consumer Services | 11_3 | Carpenters |
| 11 | Consumer Services | 11_4 | Catering Services |
| 11 | Consumer Services | 11_5 | Child Care Services |
| 11 | Consumer Services | 11_6 | Consumer Electronics Repair Services |
| 11 | Consumer Services | 11_7 | Courier, Messenger and Delivery Services |
| 11 | Consumer Services | 11_8 | Death Care Products and Services |
| 11 | Consumer Services | 11_9 | Electricians |
| 12 | Corporate Services | 12_1 | Advertising Agencies |
| 12 | Corporate Services | 12_10 | Data and Analytics Services |
| 12 | Corporate Services | 12_11 | Detective and Security Services |
| 12 | Corporate Services | 12_12 | Direct Marketing |
| 12 | Corporate Services | 12_13 | Equipment Rental and Leasing |
| 12 | Corporate Services | 12_14 | Executive Search |
| 12 | Corporate Services | 12_15 | Human Resources and Staffing |
| 12 | Corporate Services | 12_16 | Integrated Computer Systems Design |
| 12 | Corporate Services | 12_17 | IT Services and Consulting |
| 12 | Corporate Services | 12_18 | Legal Services |
| 12 | Corporate Services | 12_19 | Management Consulting |
| 12 | Corporate Services | 12_2 | Billboards and Outdoor Advertising |
| 12 | Corporate Services | 12_20 | Market Research Services |
| 12 | Corporate Services | 12_21 | Marketing and Advertising |
| 12 | Corporate Services | 12_22 | Mediation and Arbitration |
| 12 | Corporate Services | 12_23 | Mobile Application Developers |
| 12 | Corporate Services | 12_24 | Online Staffing and Recruitment Services |
| 12 | Corporate Services | 12_25 | Outsourced Human Resources Services |
| 12 | Corporate Services | 12_26 | Programming and Data Processing Services |
| 12 | Corporate Services | 12_27 | Public Relations |
| 12 | Corporate Services | 12_28 | Records Management Services |
| 12 | Corporate Services | 12_29 | Repair and Maintenance Services |
| 12 | Corporate Services | 12_3 | Business Services |
| 12 | Corporate Services | 12_30 | Sales Promotion |
| 12 | Corporate Services | 12_31 | Services for the Printing Trade |
| 12 | Corporate Services | 12_32 | Talent and Modeling Agencies |
| 12 | Corporate Services | 12_33 | Testing Lab and Scientific Research |
| 12 | Corporate Services | 12_34 | Trade Show, Event Planning and Support |
| 12 | Corporate Services | 12_35 | Transcription Services |
| 12 | Corporate Services | 12_36 | Translation Services |
| 12 | Corporate Services | 12_37 | Uniform Supplies |
| 12 | Corporate Services | 12_4 | Call Centers |
| 12 | Corporate Services | 12_5 | Cleaning and Facilities Management |
| 12 | Corporate Services | 12_6 | Commercial Design Services |
| 12 | Corporate Services | 12_7 | Commercial Printing Services |
| 12 | Corporate Services | 12_8 | Computer Facilities |
| 12 | Corporate Services | 12_9 | Computer Related Services |
| 13 | Electronics | 13_1 | Electric Testing Equipment |
| 13 | Electronics | 13_10 | Vending Machines |
| 13 | Electronics | 13_2 | Electronic Coils and Transformers |
| 13 | Electronics | 13_3 | Electronic Components and Accessories |
| 13 | Electronics | 13_4 | Electronic Connectors |
| 13 | Electronics | 13_5 | Heavy Electrical Equipment |
| 13 | Electronics | 13_6 | Miscellaneous Electrical Equipment |
| 13 | Electronics | 13_7 | Motors and Generators |
| 13 | Electronics | 13_8 | Printed Circuit Boards |
| 13 | Electronics | 13_9 | Sound and Lighting Equipment |
| 14 | Energy and Environmental | 14_1 | Alternative Energy Sources |
| 14 | Energy and Environmental | 14_10 | Energy Trading and Marketing |
| 14 | Energy and Environmental | 14_11 | Environmental Services |
| 14 | Energy and Environmental | 14_12 | Hazardous Waste Management |
| 14 | Energy and Environmental | 14_13 | Hydroelectric Power Generation |
| 14 | Energy and Environmental | 14_14 | Liquefied Petroleum Gas Dealers |
| 14 | Energy and Environmental | 14_15 | Multiline Utilities |
| 14 | Energy and Environmental | 14_16 | Natural Gas Pipelines |
| 14 | Energy and Environmental | 14_17 | Natural Gas Transmission |
| 14 | Energy and Environmental | 14_18 | Natural Gas Utilities |
| 14 | Energy and Environmental | 14_19 | Nuclear Power Generation |
| 14 | Energy and Environmental | 14_2 | Coal Energy Generation |
| 14 | Energy and Environmental | 14_20 | Oil and Gas Equipment |
| 14 | Energy and Environmental | 14_21 | Oil and Gas Field Services |
| 14 | Energy and Environmental | 14_22 | Oil and Gas Production and Exploration |
| 14 | Energy and Environmental | 14_23 | Oil and Gas Refining |
| 14 | Energy and Environmental | 14_24 | Oil and Gas Transport and Storage |
| 14 | Energy and Environmental | 14_25 | Petroleum Pipelines |
| 14 | Energy and Environmental | 14_26 | Recycling Services |
| 14 | Energy and Environmental | 14_27 | Remediation and Environmental Cleanup |
| 14 | Energy and Environmental | 14_28 | Sanitary and Sewage Districts |
| 14 | Energy and Environmental | 14_29 | Sanitation Services |
| 14 | Energy and Environmental | 14_3 | Cogeneration and Small Power Producers |
| 14 | Energy and Environmental | 14_30 | Solar Power Generation |
| 14 | Energy and Environmental | 14_31 | Solid Waste and Refuse Systems |
| 14 | Energy and Environmental | 14_32 | Waste Management Districts |
| 14 | Energy and Environmental | 14_33 | Wastewater Treatment |
| 14 | Energy and Environmental | 14_34 | Water Supply and Utilities |
| 14 | Energy and Environmental | 14_35 | Wholesale Petroleum and Related Products |
| 14 | Energy and Environmental | 14_36 | Wind Power Generation |
| 14 | Energy and Environmental | 14_4 | Conservation Districts |
| 14 | Energy and Environmental | 14_5 | Crude Petroleum Production |
| 14 | Energy and Environmental | 14_6 | Electric Utilities |
| 14 | Energy and Environmental | 14_7 | Electricity Distribution |
| 14 | Energy and Environmental | 14_8 | Electricity Transmission |
| 14 | Energy and Environmental | 14_9 | Energy Equipment |
| 15 | Financial Services | 15_1 | Accounting, Tax, Bookkeeping and Payroll |
| 15 | Financial Services | 15_10 | Currency and Forex Brokers |
| 15 | Financial Services | 15_11 | Currency, Commodity & Futures Trading |
| 15 | Financial Services | 15_12 | Diversified Financial Services |
| 15 | Financial Services | 15_13 | Diversified Lending |
| 15 | Financial Services | 15_14 | Electronic Funds Transfer |
| 15 | Financial Services | 15_15 | Electronic Payment Systems |
| 15 | Financial Services | 15_16 | Endowment Funds |
| 15 | Financial Services | 15_17 | Energy Exchanges |
| 15 | Financial Services | 15_18 | Finance Authorities |
| 15 | Financial Services | 15_19 | Financial Leasing Companies |
| 15 | Financial Services | 15_2 | Asset Management |
| 15 | Financial Services | 15_20 | Financial Transaction Settlement |
| 15 | Financial Services | 15_21 | Forfaiting and Factoring |
| 15 | Financial Services | 15_22 | Hedge Funds |
| 15 | Financial Services | 15_23 | Investment Banking |
| 15 | Financial Services | 15_24 | Investment Management and Fund Operators |
| 15 | Financial Services | 15_25 | Investment Services and Advice |
| 15 | Financial Services | 15_26 | Investment Trusts |
| 15 | Financial Services | 15_27 | Leveraged Finance |
| 15 | Financial Services | 15_28 | Market Makers and Trade Clearing |
| 15 | Financial Services | 15_29 | Miscellaneous Investment Firms |
| 15 | Financial Services | 15_3 | Blank Check Companies |
| 15 | Financial Services | 15_30 | Mobile Payment Systems |
| 15 | Financial Services | 15_31 | Mortgage Brokers |
| 15 | Financial Services | 15_32 | Patent Owners and Lessors |
| 15 | Financial Services | 15_33 | Pension and Retirement Funds |
| 15 | Financial Services | 15_34 | Private Equity |
| 15 | Financial Services | 15_35 | Royalty Trusts |
| 15 | Financial Services | 15_36 | Securities Brokers and Traders |
| 15 | Financial Services | 15_37 | Specialty Financial Services |
| 15 | Financial Services | 15_38 | Stock Exchanges |
| 15 | Financial Services | 15_39 | Trade Facilitation |
| 15 | Financial Services | 15_4 | Consumer Credit Reporting |
| 15 | Financial Services | 15_40 | Venture Capital |
| 15 | Financial Services | 15_5 | Credit and Collection Services |
| 15 | Financial Services | 15_6 | Credit Cards |
| 15 | Financial Services | 15_7 | Credit Intermediation |
| 15 | Financial Services | 15_8 | Credit Rating Agency |
| 15 | Financial Services | 15_9 | Crowdfunding |
| 16 | Food and Beverage | 16_1 | Alcoholic Beverage Distribution |
| 16 | Food and Beverage | 16_10 | Flavorings, Spices and Other Ingredients |
| 16 | Food and Beverage | 16_11 | Flours, Sugar and Mixes |
| 16 | Food and Beverage | 16_12 | Food and Beverage Processing Machinery |
| 16 | Food and Beverage | 16_13 | Food Oils |
| 16 | Food and Beverage | 16_14 | Food Products |
| 16 | Food and Beverage | 16_15 | Food Wholesale Distributors |
| 16 | Food and Beverage | 16_16 | Fresh and Frozen Seafood |
| 16 | Food and Beverage | 16_17 | Fruits and Nuts |
| 16 | Food and Beverage | 16_18 | Ice Creams and Frozen Desserts |
| 16 | Food and Beverage | 16_19 | Infant Food |
| 16 | Food and Beverage | 16_2 | Baked Goods |
| 16 | Food and Beverage | 16_20 | Meat Packing and Meat Products |
| 16 | Food and Beverage | 16_21 | Non-Alcoholic Beverages |
| 16 | Food and Beverage | 16_22 | Pastas and Cereals |
| 16 | Food and Beverage | 16_23 | Poultry |
| 16 | Food and Beverage | 16_24 | Processed Food Products |
| 16 | Food and Beverage | 16_25 | Wineries |
| 16 | Food and Beverage | 16_3 | Beverage Bottling |
| 16 | Food and Beverage | 16_4 | Beverage Distillers |
| 16 | Food and Beverage | 16_5 | Breweries |
| 16 | Food and Beverage | 16_6 | Candy and Confections |
| 16 | Food and Beverage | 16_7 | Canned and Frozen Fruits and Vegetables |
| 16 | Food and Beverage | 16_8 | Coffee and Tea Manufacturers |
| 16 | Food and Beverage | 16_9 | Dairy Products |
| 17 | Government | 17_1 | Cities, Towns and Municipalities |
| 17 | Government | 17_10 | Legislatures |
| 17 | Government | 17_11 | National Security |
| 17 | Government | 17_12 | Police Protection |
| 17 | Government | 17_13 | Regional Promotion Agencies |
| 17 | Government | 17_14 | Special Districts |
| 17 | Government | 17_15 | State, Provincial or Regional Government |
| 17 | Government | 17_16 | Villages and Small Municipalities |
| 17 | Government | 17_2 | Correctional Facilities |
| 17 | Government | 17_3 | County Governments |
| 17 | Government | 17_4 | Courts of Law |
| 17 | Government | 17_5 | Executive Government Offices |
| 17 | Government | 17_6 | Federal Government Agencies |
| 17 | Government | 17_7 | Fire Protection |
| 17 | Government | 17_8 | International Government Agencies |
| 17 | Government | 17_9 | Legal Counsel and Prosecution |
| 18 | Holding Companies | 18_1 | Industrial Conglomerates |
| 19 | Hospitals and Healthcare | 19_1 | Ambulance Services |
| 19 | Hospitals and Healthcare | 19_10 | Dentists |
| 19 | Hospitals and Healthcare | 19_11 | Dermatologists |
| 19 | Hospitals and Healthcare | 19_12 | Diagnostic Imaging Centers |
| 19 | Hospitals and Healthcare | 19_13 | Electromedical and Therapeutic Equipment |
| 19 | Hospitals and Healthcare | 19_14 | Emergency Medical Services |
| 19 | Hospitals and Healthcare | 19_15 | Family Planning Clinics |
| 19 | Hospitals and Healthcare | 19_16 | Fertility Clinics |
| 19 | Hospitals and Healthcare | 19_17 | General Healthcare Equipment |
| 19 | Hospitals and Healthcare | 19_18 | General Medical and Surgical Hospitals |
| 19 | Hospitals and Healthcare | 19_19 | General Physicians and Clinics |
| 19 | Hospitals and Healthcare | 19_2 | Anesthesiologists |
| 19 | Hospitals and Healthcare | 19_20 | Healthcare Districts |
| 19 | Hospitals and Healthcare | 19_21 | Home Healthcare |
| 19 | Hospitals and Healthcare | 19_22 | Hospice Services |
| 19 | Hospitals and Healthcare | 19_23 | Integrated Healthcare Networks |
| 19 | Hospitals and Healthcare | 19_24 | Kidney Dialysis Centers |
| 19 | Hospitals and Healthcare | 19_25 | Medical and Dental Laboratories |
| 19 | Hospitals and Healthcare | 19_26 | Medical Practice Management and Services |
| 19 | Hospitals and Healthcare | 19_27 | Mental Health Practitioners |
| 19 | Hospitals and Healthcare | 19_28 | Neurologists |
| 19 | Hospitals and Healthcare | 19_29 | Nursing Homes and Extended Care |
| 19 | Hospitals and Healthcare | 19_3 | Assisted Living Facilities |
| 19 | Hospitals and Healthcare | 19_30 | Obstetricians and Gynecologists |
| 19 | Hospitals and Healthcare | 19_31 | Oncology Services |
| 19 | Hospitals and Healthcare | 19_32 | Ophthalmic Equipment |
| 19 | Hospitals and Healthcare | 19_33 | Ophthalmologists and Optometrists |
| 19 | Hospitals and Healthcare | 19_34 | Orthopedic and Prosthetic Equipment |
| 19 | Hospitals and Healthcare | 19_35 | Orthopedic Services |
| 19 | Hospitals and Healthcare | 19_36 | Other Specialty Hospitals |
| 19 | Hospitals and Healthcare | 19_37 | Pediatricians |
| 19 | Hospitals and Healthcare | 19_38 | Physical Therapy Facilities |
| 19 | Hospitals and Healthcare | 19_39 | Podiatrists |
| 19 | Hospitals and Healthcare | 19_4 | Blood and Organ Banks |
| 19 | Hospitals and Healthcare | 19_40 | Psychiatric Hospitals |
| 19 | Hospitals and Healthcare | 19_41 | Radiology Services |
| 19 | Hospitals and Healthcare | 19_42 | Specialty Surgical Hospitals |
| 19 | Hospitals and Healthcare | 19_43 | Substance Abuse Rehabilitation Centers |
| 19 | Hospitals and Healthcare | 19_44 | Surgical and Medical Devices |
| 19 | Hospitals and Healthcare | 19_45 | Urgent Care Centers |
| 19 | Hospitals and Healthcare | 19_46 | X-ray Equipment |
| 19 | Hospitals and Healthcare | 19_5 | Cardiologists |
| 19 | Hospitals and Healthcare | 19_6 | Children's Hospitals |
| 19 | Hospitals and Healthcare | 19_7 | Chiropractors |
| 19 | Hospitals and Healthcare | 19_8 | Cosmetic Surgery |
| 19 | Hospitals and Healthcare | 19_9 | Dental Equipment and Supplies |
| 20 | Industrial Manufacturing and Services | 20_1 | Air and Gas Compressors |
| 20 | Industrial Manufacturing and Services | 20_10 | Fabricated Structural Metal |
| 20 | Industrial Manufacturing and Services | 20_11 | Fabricated Wire Products |
| 20 | Industrial Manufacturing and Services | 20_12 | Flat Glass |
| 20 | Industrial Manufacturing and Services | 20_13 | Gaskets and Sealing Devices |
| 20 | Industrial Manufacturing and Services | 20_14 | Glass Products |
| 20 | Industrial Manufacturing and Services | 20_15 | Heating Equipment |
| 20 | Industrial Manufacturing and Services | 20_16 | Industrial Contractors |
| 20 | Industrial Manufacturing and Services | 20_17 | Industrial Equipment and Machinery |
| 20 | Industrial Manufacturing and Services | 20_18 | Industrial Fans |
| 20 | Industrial Manufacturing and Services | 20_19 | Industrial Furnaces and Ovens |
| 20 | Industrial Manufacturing and Services | 20_2 | Ball Bearings and Roller Bearing |
| 20 | Industrial Manufacturing and Services | 20_20 | Industrial Machinery Distribution |
| 20 | Industrial Manufacturing and Services | 20_21 | Industrial Measurement Devices |
| 20 | Industrial Manufacturing and Services | 20_22 | Injection Molding and Die Casting |
| 20 | Industrial Manufacturing and Services | 20_23 | Laboratory Equipment |
| 20 | Industrial Manufacturing and Services | 20_24 | Machine Tools and Metal Equipment |
| 20 | Industrial Manufacturing and Services | 20_25 | Measuring Devices and Controllers |
| 20 | Industrial Manufacturing and Services | 20_26 | Metal Cans |
| 20 | Industrial Manufacturing and Services | 20_27 | Metal Forgings |
| 20 | Industrial Manufacturing and Services | 20_28 | Metalworking Machinery |
| 20 | Industrial Manufacturing and Services | 20_29 | Paper Board and Paper Products |
| 20 | Industrial Manufacturing and Services | 20_3 | Bolts, Nuts, Screws, Rivets and Washers |
| 20 | Industrial Manufacturing and Services | 20_30 | Paper Containers and Packaging |
| 20 | Industrial Manufacturing and Services | 20_31 | Petroleum Products |
| 20 | Industrial Manufacturing and Services | 20_32 | Plastic Materials and Synthetic Resins |
| 20 | Industrial Manufacturing and Services | 20_33 | Plastics, Foil and Coated Paper Bags |
| 20 | Industrial Manufacturing and Services | 20_34 | Power Distribution and Transformers |
| 20 | Industrial Manufacturing and Services | 20_35 | Printing Press Machinery |
| 20 | Industrial Manufacturing and Services | 20_36 | Pulp, Paper and Paperboard Mills |
| 20 | Industrial Manufacturing and Services | 20_37 | Pumping Equipment |
| 20 | Industrial Manufacturing and Services | 20_38 | Recycled and Converted Paper Products |
| 20 | Industrial Manufacturing and Services | 20_39 | Relays and Industrial Controls |
| 20 | Industrial Manufacturing and Services | 20_4 | Building Climate Control and HVAC |
| 20 | Industrial Manufacturing and Services | 20_40 | Screw Machines |
| 20 | Industrial Manufacturing and Services | 20_41 | Shipping Barrels, Drums, Kegs and Pails |
| 20 | Industrial Manufacturing and Services | 20_42 | Specialty Industrial Machinery |
| 20 | Industrial Manufacturing and Services | 20_43 | Steel Pipes and Tubes |
| 20 | Industrial Manufacturing and Services | 20_44 | Steel Wire Drawing, Nails and Spikes |
| 20 | Industrial Manufacturing and Services | 20_45 | Switching and Switchboard Equipment |
| 20 | Industrial Manufacturing and Services | 20_46 | Tires and Inner Tubes |
| 20 | Industrial Manufacturing and Services | 20_47 | Totalizing Fluid Meters |
| 20 | Industrial Manufacturing and Services | 20_5 | Coating and Engravings |
| 20 | Industrial Manufacturing and Services | 20_6 | Commercial Equipment and Supplies |
| 20 | Industrial Manufacturing and Services | 20_7 | Cotton, Fiber and Silk Mills |
| 20 | Industrial Manufacturing and Services | 20_8 | Engines and Turbines |
| 20 | Industrial Manufacturing and Services | 20_9 | Fabricated Rubber Products |
| 21 | Insurance | 21_1 | Automobile Insurance |
| 21 | Insurance | 21_10 | Insurance Financing |
| 21 | Insurance | 21_11 | Liability Insurance |
| 21 | Insurance | 21_12 | Life Insurance |
| 21 | Insurance | 21_13 | Mortgage Insurance |
| 21 | Insurance | 21_14 | Multiline Insurance |
| 21 | Insurance | 21_15 | Property and Casualty Insurance |
| 21 | Insurance | 21_16 | Reinsurance |
| 21 | Insurance | 21_17 | Risk Management |
| 21 | Insurance | 21_18 | Specialty Insurance |
| 21 | Insurance | 21_19 | Surety Insurance |
| 21 | Insurance | 21_2 | Claims Administration and Processing |
| 21 | Insurance | 21_20 | Travel Insurance |
| 21 | Insurance | 21_21 | Workers' Compensation |
| 21 | Insurance | 21_3 | Commercial Insurance |
| 21 | Insurance | 21_4 | Credit Insurance |
| 21 | Insurance | 21_5 | Disability Insurance |
| 21 | Insurance | 21_6 | Fire and Marine Insurance |
| 21 | Insurance | 21_7 | Health Insurance |
| 21 | Insurance | 21_8 | Homeowners and Title Insurance |
| 21 | Insurance | 21_9 | Insurance Agents and Brokers |
| 22 | Leisure, Sports and Recreation | 22_1 | Accommodation |
| 22 | Leisure, Sports and Recreation | 22_10 | Internet Gaming Arcades |
| 22 | Leisure, Sports and Recreation | 22_11 | Motion Picture Theaters |
| 22 | Leisure, Sports and Recreation | 22_12 | Museums and Art Galleries |
| 22 | Leisure, Sports and Recreation | 22_13 | Park and Recreation Districts |
| 22 | Leisure, Sports and Recreation | 22_14 | Performing Arts |
| 22 | Leisure, Sports and Recreation | 22_15 | Professional Sports Teams |
| 22 | Leisure, Sports and Recreation | 22_16 | Racetracks |
| 22 | Leisure, Sports and Recreation | 22_17 | Restaurants, Bars and Eateries |
| 22 | Leisure, Sports and Recreation | 22_18 | Ski Resorts |
| 22 | Leisure, Sports and Recreation | 22_19 | Sports and Recreations Clubs |
| 22 | Leisure, Sports and Recreation | 22_2 | Amusement and Recreation |
| 22 | Leisure, Sports and Recreation | 22_20 | Zoos and Parks |
| 22 | Leisure, Sports and Recreation | 22_3 | Amusement Parks and Theme Parks |
| 22 | Leisure, Sports and Recreation | 22_4 | Athletic Facilities |
| 22 | Leisure, Sports and Recreation | 22_5 | Casinos and Gambling |
| 22 | Leisure, Sports and Recreation | 22_6 | Convention Centers, Arenas, and Stadiums |
| 22 | Leisure, Sports and Recreation | 22_7 | Cruise Lines |
| 22 | Leisure, Sports and Recreation | 22_8 | Golf Courses and Country Clubs |
| 22 | Leisure, Sports and Recreation | 22_9 | Hotels and Motels |
| 23 | Media | 23_1 | Book Publishers |
| 23 | Media | 23_10 | Motion Picture Post-Production Services |
| 23 | Media | 23_11 | Movie and TV Broadcasting Equipment |
| 23 | Media | 23_12 | Movie Production and Distribution |
| 23 | Media | 23_13 | Music Production and Distribution |
| 23 | Media | 23_14 | Newspapers and Online News Organizations |
| 23 | Media | 23_15 | Radio and Online Music Broadcasting |
| 23 | Media | 23_16 | Social Media |
| 23 | Media | 23_17 | Television Broadcasting |
| 23 | Media | 23_18 | Trading Cards and Comic Books |
| 23 | Media | 23_19 | Video Game Production |
| 23 | Media | 23_2 | Cable Television Networks |
| 23 | Media | 23_3 | Directories and Yellow Pages Publishers |
| 23 | Media | 23_4 | Diversified Media |
| 23 | Media | 23_5 | Greeting Cards |
| 23 | Media | 23_6 | Internet Content Providers |
| 23 | Media | 23_7 | Internet Information Services |
| 23 | Media | 23_8 | Internet Search and Navigation Services |
| 23 | Media | 23_9 | Magazine Publishers |
| 24 | Mining and Metals | 24_1 | Aluminum Mining and Foundries |
| 24 | Mining and Metals | 24_10 | Metal Rolling and Extruding |
| 24 | Mining and Metals | 24_11 | Metal Smelting and Refining |
| 24 | Mining and Metals | 24_12 | Metals and Minerals Distribution |
| 24 | Mining and Metals | 24_13 | Mining and Quarrying Machinery |
| 24 | Mining and Metals | 24_14 | Miscellaneous Metal Products |
| 24 | Mining and Metals | 24_15 | Non-Ferrous Foundries |
| 24 | Mining and Metals | 24_16 | Non-Metallic Mining and Quarrying |
| 24 | Mining and Metals | 24_17 | Precious Metals and Minerals |
| 24 | Mining and Metals | 24_18 | Sand and Gravel |
| 24 | Mining and Metals | 24_19 | Specialty Mining and Metals |
| 24 | Mining and Metals | 24_2 | Coal Mining |
| 24 | Mining and Metals | 24_20 | Steel Works, Furnaces and Coke Ovens |
| 24 | Mining and Metals | 24_3 | Concrete and Gypsum |
| 24 | Mining and Metals | 24_4 | Diamond and Other Precious Stone Mining |
| 24 | Mining and Metals | 24_5 | Diversified Metals and Mining |
| 24 | Mining and Metals | 24_6 | Gold and Silver Mining |
| 24 | Mining and Metals | 24_7 | Iron and Steel Foundries |
| 24 | Mining and Metals | 24_8 | Limestone, Granite and Stone |
| 24 | Mining and Metals | 24_9 | Metal Ore Mining |
| 25 | Pharmaceuticals and Biotechnology | 25_1 | Biological Products |
| 25 | Pharmaceuticals and Biotechnology | 25_10 | Pharmaceuticals Wholesale |
| 25 | Pharmaceuticals and Biotechnology | 25_11 | Scientific Research Services |
| 25 | Pharmaceuticals and Biotechnology | 25_12 | Specialty Pharmaceuticals |
| 25 | Pharmaceuticals and Biotechnology | 25_13 | Veterinary Drugs |
| 25 | Pharmaceuticals and Biotechnology | 25_2 | Biopharmaceuticals and Biotherapeutics |
| 25 | Pharmaceuticals and Biotechnology | 25_3 | Biotechnology Research |
| 25 | Pharmaceuticals and Biotechnology | 25_4 | Biotechnology Research Equipment |
| 25 | Pharmaceuticals and Biotechnology | 25_5 | Diagnostic Substances |
| 25 | Pharmaceuticals and Biotechnology | 25_6 | Diversified Pharmaceuticals |
| 25 | Pharmaceuticals and Biotechnology | 25_7 | Drug Delivery Systems |
| 25 | Pharmaceuticals and Biotechnology | 25_8 | Generic Pharmaceuticals |
| 25 | Pharmaceuticals and Biotechnology | 25_9 | Life Sciences Research and Development |
| 26 | Real Estate | 26_1 | Cemetery Developers and Operators |
| 26 | Real Estate | 26_10 | Mortgage REITs |
| 26 | Real Estate | 26_11 | Office REITs |
| 26 | Real Estate | 26_12 | Other Real Estate Investors |
| 26 | Real Estate | 26_13 | Planning and Development Authorities |
| 26 | Real Estate | 26_14 | Real Estate Appraisers |
| 26 | Real Estate | 26_15 | Real Estate Brokers |
| 26 | Real Estate | 26_16 | Real Estate Development |
| 26 | Real Estate | 26_17 | Real Estate Investment Trusts (REITs) |
| 26 | Real Estate | 26_18 | Real Estate Leasing |
| 26 | Real Estate | 26_19 | Real Estate Operating Company (REOC) |
| 26 | Real Estate | 26_2 | Health Care REITs |
| 26 | Real Estate | 26_20 | Real Estate Property Management |
| 26 | Real Estate | 26_21 | Residential REITs |
| 26 | Real Estate | 26_22 | Retail REITs |
| 26 | Real Estate | 26_23 | School and Public Building Authorities |
| 26 | Real Estate | 26_24 | Title Abstract Offices |
| 26 | Real Estate | 26_3 | Hotel and Motel REITs |
| 26 | Real Estate | 26_4 | Housing Authorities |
| 26 | Real Estate | 26_5 | Industrial Development Authorities |
| 26 | Real Estate | 26_6 | Industrial REITs |
| 26 | Real Estate | 26_7 | Land REITs |
| 26 | Real Estate | 26_8 | Leisure and Entertainment REITs |
| 26 | Real Estate | 26_9 | Mobile Home Parks |
| 27 | Retail | 27_1 | Apparel Retail |
| 27 | Retail | 27_10 | Computer and Software Retail |
| 27 | Retail | 27_11 | Convenience Stores and Gas Stations |
| 27 | Retail | 27_12 | Department Stores |
| 27 | Retail | 27_13 | Dinnerware, Cookware and Cutlery Retail |
| 27 | Retail | 27_14 | Discount and Variety Stores |
| 27 | Retail | 27_15 | Electronics Retail |
| 27 | Retail | 27_16 | Fashion Accessories Retail |
| 27 | Retail | 27_17 | Florists and Nurseries |
| 27 | Retail | 27_18 | Footwear Retail |
| 27 | Retail | 27_19 | Furniture Retail |
| 27 | Retail | 27_2 | Appliances Retail |
| 27 | Retail | 27_20 | Gardening Supplies |
| 27 | Retail | 27_21 | General Retailers |
| 27 | Retail | 27_22 | Hobby, Toy and Game Stores |
| 27 | Retail | 27_23 | Home Furnishing Retail |
| 27 | Retail | 27_24 | Home Improvement and Hardware Stores |
| 27 | Retail | 27_25 | Hyper and Supermarkets |
| 27 | Retail | 27_26 | Internet Retail |
| 27 | Retail | 27_27 | Jewelry and Gemstone Retail |
| 27 | Retail | 27_28 | Luggage and Leather Goods Stores |
| 27 | Retail | 27_29 | Lumber Retail |
| 27 | Retail | 27_3 | Arts, Gifts and Novelties Retail |
| 27 | Retail | 27_30 | Mail and Catalog Order Retail |
| 27 | Retail | 27_31 | Maternity and Baby Supplies Retail |
| 27 | Retail | 27_32 | Men's Clothing Retail |
| 27 | Retail | 27_33 | Mini Markets |
| 27 | Retail | 27_34 | Mobile Home Dealers |
| 27 | Retail | 27_35 | Motor Vehicle Dealers |
| 27 | Retail | 27_36 | Music, Video and Book Retail |
| 27 | Retail | 27_37 | Musical Equipment Retail |
| 27 | Retail | 27_38 | Office Supplies and Stationery Retail |
| 27 | Retail | 27_39 | Party and Supply Stores |
| 27 | Retail | 27_4 | Audiovisual Equipment Sales and Services |
| 27 | Retail | 27_40 | Perfume, Cosmetics and Toiletries Retail |
| 27 | Retail | 27_41 | Pet Shops |
| 27 | Retail | 27_42 | Pharmacies and Drug Stores |
| 27 | Retail | 27_43 | Specialty Retailers |
| 27 | Retail | 27_44 | Sports and Recreational Equipment Retail |
| 27 | Retail | 27_45 | Tobacco and Pipe Stores |
| 27 | Retail | 27_46 | Vending Machines and Automated Kiosks |
| 27 | Retail | 27_47 | Warehouse Clubs and Superstores |
| 27 | Retail | 27_48 | Women's Clothing Retail |
| 27 | Retail | 27_5 | Beer, Wine, and Liquor Retail |
| 27 | Retail | 27_6 | Boat Retail |
| 27 | Retail | 27_7 | Building Materials Retail |
| 27 | Retail | 27_8 | Children's Clothing Retail |
| 27 | Retail | 27_9 | Clock and Watch Retail |
| 28 | Schools and Education | 28_1 | Colleges and Universities |
| 28 | Schools and Education | 28_10 | School Districts |
| 28 | Schools and Education | 28_11 | Training Institutions and Services |
| 28 | Schools and Education | 28_12 | Vocational and Technical Schools |
| 28 | Schools and Education | 28_2 | Community Colleges |
| 28 | Schools and Education | 28_3 | Educational Services |
| 28 | Schools and Education | 28_4 | Elementary and Secondary Schools |
| 28 | Schools and Education | 28_5 | Graduate and Professional Schools |
| 28 | Schools and Education | 28_6 | Internet Educational Services |
| 28 | Schools and Education | 28_7 | Law Schools |
| 28 | Schools and Education | 28_8 | Libraries |
| 28 | Schools and Education | 28_9 | Medical Schools |
| 29 | Telecommunications | 29_1 | Cable and Satellite Services |
| 29 | Telecommunications | 29_10 | Telecommunications Equipment |
| 29 | Telecommunications | 29_11 | Telecommunications Resellers |
| 29 | Telecommunications | 29_12 | Telecommunications Services |
| 29 | Telecommunications | 29_13 | Teleconferencing Services Providers |
| 29 | Telecommunications | 29_14 | Telemetry and Telematics Services |
| 29 | Telecommunications | 29_15 | Videoconferencing Equipment |
| 29 | Telecommunications | 29_16 | Web Hosting Services |
| 29 | Telecommunications | 29_17 | Wired Telecommunications Carriers |
| 29 | Telecommunications | 29_18 | Wireless Network Operators |
| 29 | Telecommunications | 29_2 | Electronic Communications Networks |
| 29 | Telecommunications | 29_3 | Internet and Online Services Providers |
| 29 | Telecommunications | 29_4 | Local Exchange Carriers |
| 29 | Telecommunications | 29_5 | Long-Distance Carriers |
| 29 | Telecommunications | 29_6 | Managed Network Services |
| 29 | Telecommunications | 29_7 | Messaging Services Providers |
| 29 | Telecommunications | 29_8 | Satellite and Broadcasting Equipment |
| 29 | Telecommunications | 29_9 | Telecom Switching and Transmission |
| 30 | Transportation | 30_1 | Air Freight Transportation |
| 30 | Transportation | 30_10 | Highways and Toll Road Management |
| 30 | Transportation | 30_11 | Locomotive and Rail Car Manufacturing |
| 30 | Transportation | 30_12 | Marine Shipping |
| 30 | Transportation | 30_13 | Marine Transportation Support |
| 30 | Transportation | 30_14 | Non-Scheduled and Charter Air Transport |
| 30 | Transportation | 30_15 | Passenger Railroads |
| 30 | Transportation | 30_16 | Ports, Harbors and Marinas |
| 30 | Transportation | 30_17 | Postal Services |
| 30 | Transportation | 30_18 | Railroad Equipment Manufacturing |
| 30 | Transportation | 30_19 | Railroad Terminal Management |
| 30 | Transportation | 30_2 | Aircraft Leasing |
| 30 | Transportation | 30_20 | Railroads and Rail Tracks Maintenance |
| 30 | Transportation | 30_21 | Ship and Boat Manufacturing |
| 30 | Transportation | 30_22 | Ship and Boat Parts Manufacturing |
| 30 | Transportation | 30_23 | Ship and Boat Repair |
| 30 | Transportation | 30_24 | Shipping Equipment |
| 30 | Transportation | 30_25 | Storage and Warehousing |
| 30 | Transportation | 30_26 | Terminal Facilities for Motor Vehicles |
| 30 | Transportation | 30_27 | Transportation Authorities |
| 30 | Transportation | 30_28 | Truck Rental and Leasing |
| 30 | Transportation | 30_29 | Truck Transportation and Services |
| 30 | Transportation | 30_3 | Airlines and Scheduled Air Transport |
| 30 | Transportation | 30_4 | Airport and Terminal Management |
| 30 | Transportation | 30_5 | Bus Services |
| 30 | Transportation | 30_6 | Container Leasing |
| 30 | Transportation | 30_7 | Ferries and Water Transport |
| 30 | Transportation | 30_8 | Freight Railroads |
| 30 | Transportation | 30_9 | Helicopter Services |