| Pro Services, Inc. | Construction | $3,746,000 | $2,587,397 | 198 | $62.6M |  Research |
| Allen Edwin Homebuilders LLC | Construction | $2,599,100 | $2,451,867 | 143 | $43.4M | Research |
| Hi-Tech Electric Company | Construction | $2,426,200 | $2,454,517 | 129 | $42.4M | Research |
| Hi-Tech Electric Company Inc. | Construction | $2,000,000 | $2,014,795 | 161 | $53.0M | Research |
| Pro Services Inc. | Construction | $2,000,000 | $2,014,778 | 198 | $62.6M | Research |
| Portage Physicians P C | Health Care and Social Assistance | $1,875,000 | $1,888,646 | 63 | $19.8M | Research |
| J M Wilson Corporation | Finance and Insurance | $1,693,735 | $1,715,406 | 116 | $59.6M | Research |
| Depatie Fluid Power Co. | Wholesale Trade | $1,477,197 | $1,491,321 | 79 | $24.2M | Research |
| Depatie Fluid Power Co. | Wholesale Trade | $1,477,100 | $1,485,437 | 99 | $30.3M | Research |
| Bluegranite, Inc. | Professional, Scientific, and Technical Services | $1,357,700 | $1,367,818 | 60 | $12.4M | Research |
| American Village Builders, Inc. | Construction | $1,337,360 | $1,345,787 | 79 | $24.0M | Research |
| Kreis, Enderle, Hudgins & Borsos, P.c. | Professional, Scientific, and Technical Services | $1,152,500 | $1,159,983 | 65 | $15.8M | Research |
| Bel-Aire Heating & Air Conditioning, Inc. of Kalamazoo | Construction | $1,096,075 | $1,110,009 | 105 | $33.2M | Research |
| Louie Enterprises LLC | Accommodation and Food Services | $1,002,810 | $1,012,096 | 200 | $35.5M | Research |
| Portage Brewing Company LLC | Accommodation and Food Services | $981,956 | $990,861 | 88 | $15.6M | Research |
| Coloma Emergency Ambulance Inc. | Health Care and Social Assistance | $942,265 | $953,782 | 110 | $25.5M | Research |
| Gente Inc. | Administrative and Support and Waste Management | $919,822 | $925,921 | 100 | $15.7M | Research |
| Coloma Emergency Ambulance INC | Health Care and Social Assistance | $906,100 | $912,619 | 123 | $28.5M | Research |
| W-L Molding of Michigan, LLC | Manufacturing | $880,400 | $889,807 | 59 | $58.5M | Research |
| Htse Group INC | Professional, Scientific, and Technical Services | $851,500 | $856,775 | 39 | <$5M | Research |
| Superior Business Forms INC | Wholesale Trade | $842,200 | $852,096 | 53 | $13.6M | Research |
| Quality Air Services INC | Wholesale Trade | $810,148 | $815,941 | 40 | $12.3M | Research |
| Quality Air Service INC | Wholesale Trade | $810,147 | $813,277 | 40 | $12.3M | Research |
| The Hinman Company | Real Estate and Rental and Leasing | $789,617 | $794,052 | 59 | $8.8M | Research |
| Anesthesia Associates of Battle Creek P.c. | Health Care and Social Assistance | $777,660 | $783,406 | 34 | $10.7M | Research |