| Kelly Mitchell Group, Inc. | Professional, Scientific, and Technical Services | $10,000,000 | $1,899,701 | 96 | $19.9M |  Research |
| Drury Hotels Company, LLC | Accommodation and Food Services | $10,000,000 | $10,115,556 | 500 | $156.3M | Research |
| 4m Building Solutions, Inc. | Administrative and Support and Waste Management | $10,000,000 | $10,108,333 | 500 | $108.3M | Research |
| Easter Seals Midwest | Health Care and Social Assistance | $10,000,000 | $10,090,000 | 500 | $85.1M | Research |
| Spartan Light Metal Products, INC | Manufacturing | $9,453,740 | $9,567,710 | 500 | $130.9M | Research |
| Gateway Region Young Men's Christian Association | Arts, Entertainment, and Recreation | $8,482,876 | $8,615,539 | 500 | $70.0M | Research |
| Live Learning Technologies LLC | Educational Services | $8,293,400 | $8,394,764 | 466 | $60.6M | Research |
| Armstrong Teasdale LLP | Professional, Scientific, and Technical Services | $7,967,200 | $9,326,520 | 424 | $103.0M | Research |
| Grimco, Inc. | Manufacturing | $7,659,600 | $0 | 500 | $130.9M | Research |
| Duke Manufacturing Co | Manufacturing | $7,591,400 | $7,679,334 | 500 | $122.2M | Research |
| Vee-Jay Cement Contracting Co., Inc. | Construction | $7,339,400 | $7,427,065 | 347 | $80.3M | Research |
| Sunnen Products Company | Manufacturing | $6,924,500 | $7,004,559 | 421 | $110.2M | Research |
| Pennex Aluminum Company LLC | Manufacturing | $6,517,595 | $6,334,709 | 500 | $130.9M | Research |
| Essex Industries, Inc. | Manufacturing | $6,217,300 | $6,289,182 | 397 | $103.9M | Research |
| C Hager & Sons Hinge Manufacturing Company | Manufacturing | $6,178,600 | $6,251,542 | 356 | $87.0M | Research |
| Paulo Products Company | Manufacturing | $6,177,700 | $6,250,288 | 454 | $111.0M | Research |
| Clean Uniform Company | Other Services (except Public Administration) | $6,154,200 | $6,235,914 | 483 | $92.3M | Research |
| Sandberg Phoenix & Von Gontard, P.c. | Professional, Scientific, and Technical Services | $6,119,300 | $6,196,641 | 295 | $71.7M | Research |
| Tronicom Corporation | Administrative and Support and Waste Management | $6,043,900 | $6,113,741 | 342 | $50.1M | Research |
| Reinhold Electric INC | Construction | $5,815,100 | $5,883,427 | 351 | $115.5M | Research |
| Midas Hospitality LLC | Accommodation and Food Services | $5,800,900 | $5,867,610 | 500 | $156.3M | Research |
| Tarlton Corporation | Construction | $5,766,200 | $5,832,351 | 255 | $290.5M | Research |
| Flooring Systems, Inc. | Construction | $5,579,515 | $5,644,919 | 278 | $70.2M | Research |
| Vitaligent, LLC | Accommodation and Food Services | $5,513,300 | $5,577,928 | 20 | <$5M | Research |
| Total Access Urgent Care, P.c. | Health Care and Social Assistance | $5,460,200 | $5,511,062 | 488 | $86.8M | Research |