| Lykins Companies, Inc. | Wholesale Trade | $3,732,807 | $3,775,942 | 292 | $75.2M |  Research |
| Melink Corporation | Manufacturing | $1,582,750 | $1,598,187 | 95 | $24.9M | Research |
| Park River Corporation | Arts, Entertainment, and Recreation | $1,544,152 | $1,561,807 | 460 | $64.4M | Research |
| Jeff Wyler Automotive Family, Inc. | Retail Trade | $1,542,731 | $1,560,687 | 119 | $30.0M | Research |
| S.e.m. Haven, Inc. | Health Care and Social Assistance | $1,407,600 | $1,427,463 | 190 | $32.3M | Research |
| Jeff Wyler Florence INC | Retail Trade | $1,356,345 | $1,371,544 | 94 | $23.7M | Research |
| Jeff Wyler Springfield INC | Retail Trade | $1,328,550 | $1,342,309 | 114 | $28.7M | Research |
| Frontline National LLC | Administrative and Support and Waste Management | $1,302,400 | $1,319,802 | 311 | $48.9M | Research |
| Bluford Jackson and Son, Inc. | Transportation and Warehousing | $1,280,900 | $1,289,287 | 98 | $14.8M | Research |
| Ambulatory Medical Care INC | Health Care and Social Assistance | $1,098,800 | $1,106,980 | 204 | $47.3M | Research |
| Ambulatory Medical Care INC | Professional, Scientific, and Technical Services | $1,060,717 | $1,069,085 | 203 | $21.0M | Research |
| Jeff Wyler Clarksville INC | Retail Trade | $1,013,975 | $1,025,337 | 78 | $19.7M | Research |
| Bzak Landscaping, INC | Administrative and Support and Waste Management | $955,700 | $960,905 | 93 | $20.1M | Research |
| Downing Displays, Inc. | Administrative and Support and Waste Management | $871,069 | $879,827 | 52 | $9.8M | Research |
| Downing Displays, Inc. | Manufacturing | $857,866 | $866,868 | 63 | $17.6M | Research |
| Park River Corporation | Arts, Entertainment, and Recreation | $851,800 | $857,401 | 175 | $24.5M | Research |
| Pivotek LLC | Construction | $766,503 | $774,232 | 79 | $25.0M | Research |
| The Glenny Glass Company | Wholesale Trade | $750,000 | $755,630 | 77 | $23.6M | Research |
| Doctors Urgent Care Office Medical Group INC | Health Care and Social Assistance | $740,400 | $745,891 | 47 | $10.9M | Research |
| Berkheimer Enterprises LLC | Administrative and Support and Waste Management | $719,400 | $724,336 | 87 | $13.7M | Research |
| Berkheimer Enterprises LLC | Administrative and Support and Waste Management | $719,400 | $723,816 | 87 | $13.7M | Research |
| Greene Respiratory Services, Inc. | Health Care and Social Assistance | $659,900 | $666,847 | 73 | $12.5M | Research |
| Tripack, LLC | Wholesale Trade | $643,200 | $616,060 | 43 | $13.2M | Research |
| Meridian Mark Management, LLC | Management of Companies and Enterprises | $637,000 | $249,929 | 13 | <$5M | Research |
| Jeff Wyler Ft Thomas INC | Retail Trade | $634,395 | $641,556 | 45 | $11.3M | Research |