| Natural Gas Distribution | 47 | 97760 |
| Transportation and Warehousing | 46.9 | 97550 |
| Outpatient Care Centers | 44.02 | 91550 |
| Federal Executive Branch | 39.27 | 81680 |
| Federal government, including the US Postal Service | 39.27 | 81680 |
| Construction | 36.75 | 76430 |
| Heavy and Civil Engineering Construction | 36.75 | 76430 |
| Utility System Construction | 36.75 | 76430 |
| Power and Communication Line and Related Structures Construction | 36.75 | 76430 |
| Ambulatory Health Care Services | 35.92 | 74710 |
| Waste Treatment and Disposal | 34.94 | 72660 |
| Waste Management and Remediation Services | 34.91 | 72620 |
| Water, Sewage and Other Systems | 34.42 | 71580 |
| Utilities | 33.88 | 70470 |
| Sector 56- Administrative and Support and Waste Management and Remediation Services | 33.81 | 70330 |
| All industries, private ownership only | 33.68 | 70040 |
| Electric Power Generation, Transmission and Distribution | 33.58 | 69840 |
| All industries | 33.28 | 69220 |
| Pharmaceutical and Medicine Manufacturing | 32.61 | 67830 |
| Pulp, Paper, and Paperboard Mills | 32.41 | 67400 |
| Federal, State, and Local Government | 32.37 | 67340 |
| Federal, State, and Local Government, excluding state and local schools and hospitals, and the US Postal Service | 32.37 | 67340 |
| Paper Manufacturing | 32.27 | 67120 |
| Management of Companies and Enterprises | 32.23 | 67030 |
| Employment Services | 32.01 | 66590 |
| Local Government, excluding schools and hospitals | 31.99 | 66530 |
| Local government, including schools and hospitals | 31.93 | 66410 |
| Administrative and Support Services | 31.84 | 66230 |
| Health Care and Social Assistance (including private, state, and local government hospitals) | 31.65 | 65830 |
| Federal, state, and local government, including government owned schools and hospitals, and the US Postal Service | 31.42 | 65350 |
| Professional, Scientific, and Technical Services | 30.88 | 64230 |
| Hospitals, Privately owned | 30.81 | 64080 |
| General Medical and Surgical Hospitals, Privately owned | 30.81 | 64080 |
| General Medical and Surgical Hospitals (including private, state, and local government hospitals) | 30.55 | 63540 |
| Mining | 30.04 | 62480 |
| Food Manufacturing | 29.97 | 62330 |
| State Government, excluding schools and hospitals | 29.93 | 62260 |
| Hospitals (including private, state, and local government hospitals) | 29.93 | 62250 |
| Manufacturing | 29.9 | 62190 |
| Transportation Equipment Manufacturing | 29.82 | 62020 |
| Chemical Manufacturing | 28.06 | 58370 |
| Educational Services, Privately owned | 28 | 58240 |
| Colleges, universities, and professional schools, Privately owned | 28 | 58240 |
| Architectural, Engineering, and Related Services | 27.88 | 57990 |
| Engineering Services | 27.7 | 57620 |
| State government, including schools and hospitals | 26.65 | 55420 |
| Other Services (except Federal, State, and Local Government) | 25.96 | 53990 |
| Repair and Maintenance | 25.96 | 53990 |
| Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance | 25.96 | 53990 |
| Primary Metal Manufacturing | 25.94 | 53950 |
| Educational Services (including private, state, and local government schools) | 24.38 | 50720 |
| Colleges, Universities, and Professional Schools (including private, state, and local government schools) | 24.25 | 50450 |
| Educational Services, State government owned | 23.44 | 48760 |
| Colleges, universities, and professional schools, State government owned | 23.24 | 48340 |
| Sawmills and Wood Preservation | 23.17 | 48180 |
| Wood Product Manufacturing | 22.61 | 47020 |
| Hospitals, State government owned | 22.27 | 46330 |
| Psychiatric and Substance Abuse Hospitals, State government owned | 21.92 | 45590 |
| Psychiatric and Substance Abuse Hospitals (including private, state, and local government hospitals) | 21.92 | 45590 |
