| Magnet, LLC | Manufacturing | $3,900,298 | $3,817,289 | 225 | $62.8M |  Research |
| Melton Machine & Control Company | Other Services (except Public Administration) | $3,672,000 | $4,766,848 | 210 | $45.1M | Research |
| Clementina-Clemco Holdings, Inc. | Manufacturing | $2,392,900 | $2,420,950 | 150 | $36.7M | Research |
| Frick's Meat Products, Inc. | Manufacturing | $2,292,400 | $2,323,793 | 253 | $89.3M | Research |
| Melton Machine & Control Company | Manufacturing | $2,000,000 | $2,007,833 | 196 | $51.3M | Research |
| Magnet LLC | Manufacturing | $2,000,000 | $2,022,889 | 215 | $60.0M | Research |
| Wmf INC | Manufacturing | $1,373,100 | $1,387,823 | 130 | $31.8M | Research |
| Hellebusch Tool & Die Inc. | Manufacturing | $936,200 | $941,638 | 58 | $15.2M | Research |
| Washington N and R LLC | Health Care and Social Assistance | $842,700 | $852,420 | 181 | $30.8M | Research |
| Hellebusch Tool & Die Inc. | Manufacturing | $836,700 | $840,184 | 57 | $14.9M | Research |
| The Missourian Publishing Co. | Information | $797,800 | $803,695 | 80 | $13.4M | Research |
| The Missourian Publishing Co | Information | $797,800 | $801,434 | 66 | $11.1M | Research |
| Universal Medical Resources, Inc. | Manufacturing | $787,300 | $792,196 | 53 | $13.9M | Research |
| Bill's Imperial, Inc. | Retail Trade | $671,300 | $677,901 | 100 | $25.0M | Research |
| Klak Management Corporation | Accommodation and Food Services | $628,000 | $632,117 | 188 | $33.4M | Research |
| Chris Auffenberg Ford, Inc. | Retail Trade | $574,600 | $580,873 | 54 | $13.6M | Research |
| Shure Manufacturing Corporation | Manufacturing | $559,300 | $562,671 | 51 | $12.5M | Research |
| Ke2 Therm Solutions, INC | Professional, Scientific, and Technical Services | $556,000 | $562,032 | 24 | <$5M | Research |
| Comprehensive Home Care LLC | Health Care and Social Assistance | $539,930 | $549,841 | 79 | $13.4M | Research |
| Modern Auto Company, Inc. | Retail Trade | $539,700 | $543,219 | 44 | $11.1M | Research |
| Washington Square Investments Co. | Retail Trade | $534,100 | $539,693 | 47 | $11.8M | Research |
| Hrm Services, LLC | Real Estate and Rental and Leasing | $530,300 | $535,618 | 64 | $9.6M | Research |
| Fregalette Construction LLC | Construction | $521,700 | $525,225 | 34 | $7.9M | Research |
| Buescher Frankenberg Associates, Inc. | Professional, Scientific, and Technical Services | $478,900 | $483,263 | 35 | $10.9M | Research |
| Riechers Oil Company | Other Services (except Public Administration) | $464,200 | $467,812 | 51 | $10.0M | Research |