- 211 Oil and Gas Extraction
- 212 Mining (except Oil and Gas)
- 213 Support Activities for Mining
- 221 Utilities
- 23 Construction
- 237 Heavy and Civil Engineering Construction
- 238 Specialty Trade Contractors
- 311 Food Manufacturing
- 312 Beverage and Tobacco Product Manufacturing
- 314 Textile Product Mills
- 315 Apparel Manufacturing
- 321 Wood Product Manufacturing
- 322 Paper Manufacturing
- 323 Printing and Related Support Activities
- 324 Petroleum and Coal Products Manufacturing
- 325 Chemical Manufacturing
- 326 Plastics and Rubber Products Manufacturing
- 327 Nonmetallic Mineral Product Manufacturing
- 331 Primary Metal Manufacturing
- 332 Fabricated Metal Product Manufacturing
- 333 Machinery Manufacturing
- 334 Computer and Electronic Product Manufacturing
- 335 Electrical Equipment, Appliance, and Component Manufacturing
- 336 Transportation Equipment Manufacturing
- 337 Furniture and Related Product Manufacturing
- 339 Miscellaneous Manufacturing
- 441 Motor Vehicle and Parts Dealers
- 443 Electronics and Appliance Stores
- 444 Building Material and Garden Equipment and Supplies Dealers
- 445 Food and Beverage Stores
- 446 Health and Personal Care Stores
- 447 Gasoline Stations
- 448 Clothing and Clothing Accessories Stores
- 451 Sporting Goods, Hobby, Book, and Music Stores
- 452 General Merchandise Stores
- 454 Nonstore Retailers
- 481 Air Transportation
- 484 Truck Transportation
- 486 Pipeline Transportation
- 487 Scenic and Sightseeing Transportation
- 488 Support Activities for Transportation
- 492 Couriers and Messengers
- 51 Information
- 511 Publishing Industries (except Internet)
- 512 Motion Picture and Sound Recording Industries
- 515 Broadcasting (except Internet)
- 517 Telecommunications
- 518 Data Processing, Hosting and Related Services
- 519 Other Information Services
- 52 Finance and Insurance
- 522 Credit Intermediation and Related Activities
- 523 Securities, Commodity Contracts, and Other Financial Investments and Related Activities
- 524 Insurance Carriers and Related Activities
- AIG - American International Group
- WellPoint
- Aetna Inc.
- Aflac Incorporated
- American Financial Group, Inc.
- Aon Corporation
- Assurant, Inc.
- CIGNA Corporation
- Conseco, Inc.
- Coventry Health Care, Inc.
- Express Scripts, Inc.
- Genworth Financial, Inc.
- Health Net, Inc.
- Humana Inc.
- LandAmerica Financial Group, Inc.
- Lincoln National Corporation
- Loews Corporation
- Marsh & McLennan Companies, Inc.
- MetLife, Inc.
- Principal Financial Group, Inc.
- Prudential Financial, Inc.
- Safeco Corporation
- The Allstate Corporation
- The Chubb Corporation
- The First American Corporation
- The Hartford Financial Services Group, Inc.
- The Progressive Corporation
- UnumProvident Corporation
- W. R. Berkley Corporation
- UnitedHealth Group Inc
- Selective Insurance, Inc.
- 532 Rental and Leasing Services
- 54 Professional, Scientific, and Technical Services
- 541 Professional, Scientific, and Technical Services
- 55 Management of Companies and Enterprises
- 551 Management of Companies and Enterprises
- 561 Administrative and Support Services
- 562 Waste Management and Remediation Services
- 61 Educational Services
- 611 Educational Services
- 621 Ambulatory Health Care Services
- 622 Hospitals
- 624 Social Assistance
- 71 Arts, Entertainment, and Recreation
- 712 Museums, Historical Sites, and Similar Institutions
- 713 Amusement, Gambling, and Recreation Industries
- 721 Accommodation
- 722 Food Services and Drinking Places
- 81 Other Services (except Public Administration)
- 811 Repair and Maintenance
- 813 Religious, Grantmaking, Civic, Professional, and Similar Organizations
- 92 Public Administration
- 922 Justice, Public Order, and Safety Activities
- 925 Administration of Housing Programs, Urban Planning, and Community Development
- 928 National Security and International Affairs
