| United Contractors Midwest, Inc. | Construction | $10,000,000 | $10,120,556 | 427 | $132.4M |  Research |
| Community Care Systems, Inc. | Health Care and Social Assistance | $8,606,895 | $8,708,743 | 500 | $85.6M | Research |
| Synapsis INC | Professional, Scientific, and Technical Services | $6,548,500 | $6,338,745 | 325 | $67.2M | Research |
| Roland Machinery Company | Wholesale Trade | $5,959,700 | $6,038,237 | 356 | $109.1M | Research |
| Springfield Electric Supply Company | Wholesale Trade | $5,872,500 | $5,941,200 | 354 | $108.4M | Research |
| Crawford Murphy & Tilly INC | Professional, Scientific, and Technical Services | $5,865,803 | $1,975,404 | 350 | $43.2M | Research |
| Henson Robinson Company | Construction | $4,576,700 | $4,614,944 | 217 | $68.7M | Research |
| Harold O'shea Builders Inc. | Construction | $3,833,350 | $3,878,818 | 149 | $169.8M | Research |
| Midwest Technical Institute, Inc. | Educational Services | $3,502,400 | $3,542,702 | 320 | $38.4M | Research |
| E.l. Pruitt Company | Construction | $3,267,000 | $3,305,130 | 132 | $41.8M | Research |
| Lead It Corp | Professional, Scientific, and Technical Services | $2,981,077 | $3,015,323 | 175 | $36.2M | Research |
| Kerber, Eck & Braekel LLP | Professional, Scientific, and Technical Services | $2,700,000 | $2,749,983 | 181 | $57.6M | Research |
| Solomon Colors INC | Manufacturing | $2,526,230 | $2,558,931 | 151 | $149.8M | Research |
| Clinical Radiologists Sc | Health Care and Social Assistance | $2,475,800 | $2,503,882 | 124 | $28.7M | Research |
| Lead It Corporation | Professional, Scientific, and Technical Services | $2,000,000 | $2,018,947 | 168 | $34.7M | Research |
| Midwest Emergency Department Specialists, Ltd | Health Care and Social Assistance | $1,991,733 | $2,014,140 | 90 | $28.2M | Research |
| Land of Lincoln Goodwill Industries INC | Retail Trade | $1,991,000 | $2,016,551 | 455 | N/A | Research |
| Productive Resources LLC | Professional, Scientific, and Technical Services | $1,934,104 | $1,942,539 | 101 | $12.5M | Research |
| Productive Resources LLC | Administrative and Support and Waste Management | $1,934,100 | $1,952,957 | 109 | $17.2M | Research |
| Simplex, Inc. | Manufacturing | $1,925,000 | $1,257,049 | 172 | $45.0M | Research |
| Halverson Construction Co. INC | Construction | $1,790,800 | $1,810,250 | 51 | $15.8M | Research |
| R W Troxell & Company | Finance and Insurance | $1,762,000 | $1,480,996 | 104 | $53.4M | Research |
| Green Lincoln, INC | Retail Trade | $1,742,300 | $1,754,711 | 180 | $45.4M | Research |
| Orthopedic Center of Illinois Ltd | Health Care and Social Assistance | $1,705,362 | $1,670,093 | 129 | $40.5M | Research |
| B & B Electric INC | Construction | $1,695,000 | $1,706,018 | 79 | $26.0M | Research |