| 213112 | Support Activities for Oil and Gas Operations |
| 221111 | Hydroelectric Power Generation |
| 221112 | Fossil Fuel Electric Power Generation |
| 221113 | Nuclear Electric Power Generation |
| 221119 | Other Electric Power Generation |
| 221121 | Electric Bulk Power Transmission and Control |
| 221122 | Electric Power Distribution |
| 221210 | Natural Gas Distribution |
| 221310 | Water Supply and Irrigation Systems |
| 221320 | Sewage Treatment Facilities |
| 221330 | Steam and Air-Conditioning Supply |
| 236115 | New Single-Family Housing Construction (except Operative Builders) |
| 236116 | New Multifamily Housing Construction (except Operative Builders) |
| 236117 | New Housing Operative Builders |
| 236118 | Residential Remodelers |
| 236210 | Industrial Building Construction |
| 236220 | Water and Sewer Line and Related Structures Construction |
| 237120 | Oil and Gas Pipeline and Related Structures Construction |
| 237130 | Power and Communication Line and Related Structures Construction |
| 237210 | Land Subdivision |
| 237310 | Highway, Street, and Bridge Construction |
| 237990 | Other Heavy and Civil Engineering Construction |
| 238110 | Poured Concrete Foundation and Structure Contractors |
| 238120 | Structural Steel and Precast Concrete Contractors |
| 238130 | Framing Contractors |
| 238140 | Masonry Contractors |
| 238150 | Glass and Glazing Contractors |
| 238160 | Roofing Contractors |
| 238170 | Siding Contractors |
| 238190 | Other Foundation, Structure, and Building Exterior Contractors |
| 238210 | Electrical Contractors |
| 238220 | Plumbing, Heating, and Air-Conditioning Contractors |
| 238290 | Other Building Equipment Contractors |
| 238310 | Drywall and Insulation Contractors |
| 238320 | Painting and Wall Covering Contractors |
| 238330 | Flooring Contractors |
| 238340 | Tile and Terrazzo Contractors |
| 238350 | Finish Carpentry Contractors |
| 238390 | Other Building Finishing Contractors |
| 238910 | Site Preparation Contractors |
| 238990 | All Other Specialty Trade Contractors |
| 334111 | Electronic Computer Manufacturing |
| 334112 | Computer Storage Device Manufacturing |
| 334113 | Computer Terminal Manufacturing |
| 334119 | Other Computer Peripheral Equipment Manufacturing |
| 423430 | Computer and Computer Peripheral Equipment and Software Merchant Wholesalers |
| 423610 | Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers |
| 423690 | Other Electronic Parts and Equipment Merchant Wholesalers |
| 423710 | Hardware Merchant Wholesalers |
| 423720 | Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers |
| 423730 | Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers |
| 423740 | Refrigeration Equipment and Supplies Merchant Wholesalers |
| 423810 | 'Construction and Mining (except Oil Well) Machinery and Equipment Merchant Wholesalers |
| 424950 | Paint, Varnish, and Supplies Merchant Wholesalers |
| 424990 | Other Miscellaneous Nondurable Goods Merchant Wholesalers |
| 423720 | Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers |
| 423730 | Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers |
| 423740 | Refrigeration Equipment and Supplies Merchant Wholesalers |
| 423810 | Construction and Mining (except Oil Well) Machinery and Equipment Merchant Wholesalers |
| 425110 | Business to Business Electronic Markets |
| 442210 | Floor Covering Stores |
| 442291 | Window Treatment Stores |
| 443111 | Household Appliance Stores |
| 443120 | Computer and Software Stores |
| 444190 | Other Building Material Dealers |
| 454111 | Electronic Shopping |
| 454112 | Electronic Auctions |
| 454113 | Mail Order Houses |
| 488210 | Support Activities for Rail Transportation |
| 488490 | Other Support Activities for Road Transportation |
| 488510 | Freight Transportation Arrangement |
| 488991 | Packing and Crating |
| 488999 | All Other Support Activities for Transportation |
| 491110 | Postal Service |
| 492110 | Couriers and Express Delivery Services |
| 492210 | Local Messengers and Local Delivery |
| 493110 | General Warehousing and Storage |
| 493120 | Refrigerated Warehousing and Storage |
| 517110 | Wired Telecommunications Carriers |
| 517410 | Satellite Telecommunications |
| 518210 | Data Processing, Hosting, and Related Services |
| 519120 | Libraries and Archives |
| 522293 | International Trade Financing |
| 541219 | Other Accounting Services |
| 541310 | Architectural Services |
| 531311 | Residential Property Managers |
| 541320 | Landscape Architectural Services |
| 541330 | Engineering Services |
| 541340 | Drafting Services |
| 541350 | Building Inspection Services |
| 541430 | Graphic Design Services |
| 541490 | Other Specialized Design Services |
| 541511 | Custom Computer Programming Services |
| 541512 | Computer Systems Design Services |
| 541513 | Computer Facilities Management Services |
| 541519 | Other Computer Related Services |
| 541611 | Administrative Management and General Management Consulting Services |
| 541612 | Human Resources Consulting Services |
| 541613 | Marketing Consulting Services |
| 541614 | Process, Physical Distribution, and Logistics Consulting Services |
| 541618 | Other Management Consulting Services |
| 541620 | Environmental Consulting Services |
| 541810 | Advertising Agencies |
| 541820 | Public Relations Agencies |
| 541830 | Media Buying Agencies |
| 541840 | Media Representatives |
| 548150 | Display Advertising |
| 541860 | Direct Mail Advertising |
| 541870 | Advertising Material Distribution Services |
| 551114 | Corporate, Subsidiary, and Regional Managing Offices |
| 561110 | Office Administrative Services |
| 561210 | Facilities Support Services |
| 561320 | Temporary Help Services |
| 561410 | Document Preparation Services |
| 561421 | Telephone Answering Services |
| 561790 | Other Services to Buildings and Dwellings |
| 561910 | Packaging and Labeling Services |
| 561920 | Convention and Tradeshow Organizers |
| 561990 | All Other Support Services |
| 562111 | Solid Waste Collection |
| 562112 | Hazardous Waste Collection |
| 562119 | Other Waste Collection |
| 562211 | Hazardous Waste Treatment and Disposal |
| 562212 | Solid Waste Landfill |
| 562213 | Solid Waste Combustors and Incinerators |
| 562219 | Other Non-hazardous Waste Treatment and Disposal |
| 562910 | Remediation Services |
| 562920 | Materials Recovery Facilities |
| 562991 | Septic Tank and Related Services |
| 561621 | Security Systems Services (except Locksmiths) |
| 561622 | Locksmiths |
| 561710 | Exterminating and Pest Control Services |
| 561720 | Janitorial Services |
| 561730 | Landscaping Services |
| 551114 | Corporate, Subsidiary, and Regional Managing Offices |
| 561110 | Office Administrative Services |
| 611420 | Computer Training |
| 611430 | Professional and Management Development Training |
| 624210 | Community Food Services |
| 624230 | Emergency and Other Relief Services |
| 624310 | Vocational and Rehabilitation Services |
| 624221 | Temporary Shelters |
| 811412 | Appliance Repair and Maintenance |
| 921150 | American Indian and Alaska Native Tribal Governments |
| 924110 | Administration of Air and Water Resource and Solid Waste Management Programs |
| 925110 | Administration of Housing Programs |
| 925120 | Administration of Urban Planning and Community and Rural Development |
| 926110 | Administration of General Economic Programs |
| 928120 | International Affairs |
