| Air-Way Manufacturing Company | Manufacturing | $3,941,077 | $3,986,780 | 387 | $94.6M |  Research |
| Olivet College | Educational Services | $1,894,525 | $1,905,373 | 387 | N/A | Research |
| Olivet College | Educational Services | $1,855,182 | $1,876,021 | 217 | N/A | Research |
| Centennial Electric | Construction | $679,400 | $683,212 | 36 | $11.8M | Research |
| Tooling Concepts, Inc. | Manufacturing | $178,457 | $180,584 | 22 | $5.4M | Research |
| Olivet Machine Tool Engineering Co. | Manufacturing | $174,934 | $175,919 | 13 | <$5M | Research |
| Swanson Mechanical Service, LLC | Other Services (except Public Administration) | $142,685 | $143,756 | 16 | <$5M | Research |
| Swanson Mechanical Service LLC | Professional, Scientific, and Technical Services | $142,685 | $143,436 | 16 | <$5M | Research |
| Michigan Dairy Tech LLC | Professional, Scientific, and Technical Services | $110,050 | $111,001 | 16 | <$5M | Research |
| Michigan Dairy Tech LLC | Other Services (except Public Administration) | $107,900 | $93,472 | 12 | <$5M | Research |
| Shrontz Trucking LLC | Transportation and Warehousing | $98,100 | $98,967 | 9 | <$5M | Research |
| Shrontz Trucking LLC | Transportation and Warehousing | $96,750 | $97,629 | 19 | <$5M | Research |
| Bavy Inc. | Accommodation and Food Services | $42,881 | $43,177 | 6 | <$5M | Research |
| Masterbilt Products Corp. | Manufacturing | $42,877 | $43,212 | 7 | <$5M | Research |
| Masterbilt Products Corp. | Manufacturing | $42,877 | $43,211 | 7 | <$5M | Research |
| Next Step Home Health Care LLC | Health Care and Social Assistance | $41,513 | $0 | 16 | <$5M | Research |
| Pakkala Automotive, LLC | Other Services (except Public Administration) | $38,900 | $39,221 | 4 | <$5M | Research |
| Scott Ramage & Becky Ramage Inc. | Accommodation and Food Services | $38,591 | $38,826 | 15 | <$5M | Research |
| Whitetail Farms Custom Deer Processing LLC | Retail Trade | $35,645 | $35,877 | 14 | <$5M | Research |
| Bavy INC | Accommodation and Food Services | $30,630 | $30,899 | 13 | <$5M | Research |
| Main Street Dental, P.l.l.c. | Health Care and Social Assistance | $30,627 | $30,805 | 5 | <$5M | Research |
| Main Street Dental Pllc | Health Care and Social Assistance | $30,627 | $30,749 | 4 | <$5M | Research |
| Next Step Home Health Care, LLC | Health Care and Social Assistance | $28,300 | $28,516 | 7 | <$5M | Research |
| Olivet Congregational Church | Other Services (except Public Administration) | $22,665 | $22,766 | 7 | N/A | Research |
| Eaton County Humane Society | Professional, Scientific, and Technical Services | $22,029 | $22,168 | 3 | N/A | Research |