| Fona International Inc. | Manufacturing | $4,133,000 | $4,180,105 | 221 | $78.0M |  Research |
| Marklund Childrens Home | Health Care and Social Assistance | $3,879,650 | $3,930,732 | 497 | N/A | Research |
| Fox Valley Orthopaedic Associates, S.c. | Health Care and Social Assistance | $2,135,612 | $2,160,112 | 174 | $54.6M | Research |
| Industrial Hard Chrome, Ltd. | Manufacturing | $1,954,305 | $1,984,651 | 123 | $30.1M | Research |
| Industrial Hard Chrome Ltd. | Manufacturing | $1,784,388 | $1,808,080 | 114 | $27.9M | Research |
| Olon Industries INC (us) | Manufacturing | $1,639,417 | $1,653,161 | 206 | $53.9M | Research |
| Continental Envelope | Manufacturing | $1,431,622 | $1,444,984 | 104 | $103.2M | Research |
| Continental Envelope Corporation | Manufacturing | $1,387,072 | $1,401,405 | 97 | $96.2M | Research |
| Northern Illinois Food Bank | Health Care and Social Assistance | $1,222,230 | $1,234,113 | 137 | N/A | Research |
| Shodeen Group, LLC | Construction | $1,017,700 | $1,027,431 | 70 | $21.3M | Research |
| Smith and Richardson Manufacturing Company | Manufacturing | $921,000 | $928,469 | 43 | $11.3M | Research |
| Smith & Richardson Manufacturing Company | Manufacturing | $921,000 | $926,274 | 45 | $11.8M | Research |
| Catom Trucking, INC | Transportation and Warehousing | $914,227 | $924,258 | 38 | $7.7M | Research |
| Scp Wound Care LLC | Manufacturing | $848,502 | $857,801 | 57 | $15.9M | Research |
| The Herrington INC | Accommodation and Food Services | $797,150 | $590,098 | 46 | $14.4M | Research |
| Diane Cullen P.a. | Administrative and Support and Waste Management | $766,937 | $440,870 | 20 | <$5M | Research |
| Radiology Subspecialists of Northern Illinois LLC | Health Care and Social Assistance | $746,737 | $754,702 | 26 | $6.0M | Research |
| Radiology Subspecialists of Northern Illinois LLC | Health Care and Social Assistance | $746,737 | $751,217 | 25 | $5.8M | Research |
| Wsce, LLC | Construction | $646,705 | $651,555 | 73 | $16.9M | Research |
| Cougars Baseball Partnership | Arts, Entertainment, and Recreation | $593,465 | $601,286 | 25 | <$5M | Research |
| Geneva Eye Clinic, Ltd | Health Care and Social Assistance | $592,533 | $598,799 | 44 | $13.8M | Research |
| Geneva Eye Clinic Ltd | Health Care and Social Assistance | $592,532 | $598,717 | 50 | $15.7M | Research |
| The Herrington, INC | Accommodation and Food Services | $569,300 | $576,958 | 110 | $34.4M | Research |
| Kane Anesthesia Associates S.c. | Health Care and Social Assistance | $564,827 | $568,436 | 38 | $11.9M | Research |
| Grace Power and Control LLC | Construction | $539,632 | $542,345 | 19 | $6.3M | Research |