(Updated November 2021)
2021 Top 15 Private Idaho Businesses
| 1 | St. Luke's Health System | 15,000+ | Health Care and Social Assistance |
| 2 | Wal-Mart | 9,000+ | Retail Trade |
| 3 | Micron Technology | 5,000+ | Manufacturing |
| 4 | St. Alphonsus Health System | 5,000+ | Health Care and Social Assistance |
| 5 | Albertsons | 5,000+ | Retail Trade |
| 6 | Battelle Energy Alliance | 5,000+ | Professional, Scientific, and Technical Services |
| 9 | J.R. Simplot Company | 2,000+ | Manufacturing |
| 10 | Fred Meyer Stores | 2,000+ | Retail Trade |
| 12 | Ataraxis | 2,000+ | Professional Employer Organizations |
| 13 | United Parcel Service | 2,000+ | Transportation & Warehousing |
| 14 | Costco | 2,000+ | Retail Trade |
| 15 | Melaleuca | 1,000+ | Manufacturing |
| 16 | Idaho Power | 1,000+ | Utilities |
| 18 | Amalgamated Sugar | 1,000+ | Manufacturing |
| 19 | Fluor Idaho | 1,000+ | Professional, Scientific, and Technical Services |
2021 Top 15 Public & Private Idaho Businesses
| 1 | St. Luke's Health System | 15,000+ | Health Care and Social Assistance |
| 2 | Wal-Mart | 9,000+ | Retail Trade |
| 3 | Micron Technology, Inc. | 5,000+ | Manufacturing |
| 4 | St. Alphonsus Health System | 5,000+ | Health Care and Social Assistance |
| 5 | Albertsons | 5,000+ | Retail Trade |
| 6 | Battelle Energy Alliance | 5,000+ | Professional, Scientific, and Technical Services |
| 7 | West Ada School District #2 | 4,000+ | Local Government, Education |
| 9 | Boise State University | 4,000+ | State Government, Education |
| 10 | Boise School District #1 | 3,000+ | Local Government, Education |
| 11 | Kootenai Medical Center | 3,000+ | Local Government, Health Care |
| 13 | University of Idaho | 2,000+ | State Government, Education |
| 14 | J.R. Simplot Company | 2,000+ | Manufacturing |
| 15 | Idaho Department of Health & Welfare | 2,000+ | State Government, Administration |
| 16 | U.S. Postal Service | 2,000+ | Federal Government, Transportation & Warehousing |
| 17 | Fred Meyer Stores | 2,000+ | Retail Trade |
What are business listings?
Idaho private and public businesses included in our business listings are ranked based on employment range. Businesses with more than 500 employees included in these listings gave the Idaho Department of Labor permission to release their name, employment range and industry. To have your business included in these listings, complete the Idaho Business Directory Informed Consent Release Form.
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