| Real property lessors, nec | 2241886 |
| Nonclassifiable establishments | 1485669 |
| Real estate agents and managers | 830417 |
| Nondurable goods, nec | 771396 |
| General farms, primarily crop | 722789 |
| Operative builders | 659305 |
| Business services, nec | 657458 |
| Heavy construction, nec | 626108 |
| Membership organizations, nec | 520889 |
| Trusts, nec | 410582 |
| Amusement and recreation, nec | 392518 |
| Special trade contractors, nec | 368118 |
| Miscellaneous retail stores, nec | 367584 |
| Transportation services, nec | 348770 |
| Electrical work | 342405 |
| Miscellaneous general merchandise | 331558 |
| Offices of health practitioner | 326769 |
| Single-family housing construction | 310214 |
| Eating places | 298768 |
| Drinking places | 268473 |
| Nonresidential building operators | 268235 |
| Management consulting services | 264149 |
| Trucking, except local | 263500 |
| Construction materials, nec | 255922 |
| Plumbing, heating, air-conditioning | 249005 |
| Computer related services, nec | 248367 |
| Engineering services | 239639 |
| Industrial buildings and warehouses | 238662 |
| Subdividers and developers, nec | 237791 |
| Water, sewer, and utility lines | 234006 |
| Civic and social associations | 231613 |
| Advertising agencies | 220642 |
| Local trucking with storage | 211373 |
| Plastering, drywall, and insulation | 209458 |
| Miscellaneous personal service | 201765 |
| Painting and paper hanging | 196681 |
| Refrigerated warehousing and storage | 194733 |
| Services, nec | 191406 |
| Highway and street construction | 189496 |
| Schools and educational services, nec | 187004 |
| Forestry services | 184246 |
| Excavation work | 179365 |
| Direct selling establishments | 179319 |
| Grocery stores | 176714 |
| Commercial art and graphic design | 158042 |
| Holding companies, nec | 156885 |
| Automobiles and other motor vehicles | 154333 |
| Cash grains, nec | 150783 |
| Offices and clinics of medical doctors | 150502 |
| Legal services | 148509 |