| Plant Maintenance Service Corporation | Other Services (except Public Administration) | $1,191,200 | $751,477 | 109 | $23.4M |  Research |
| Mock Inc. & Subsidiary DBA Hi-Speed Industrial Service | Other Services (except Public Administration) | $1,158,857 | $1,167,484 | 72 | $15.5M | Research |
| Indmar Products Co., Inc. | Manufacturing | $1,140,554 | $1,152,276 | 90 | $23.6M | Research |
| Plant Maintenance Service Corp | Manufacturing | $1,115,658 | $1,127,793 | 101 | $24.7M | Research |
| Mock, Inc. and Subsidiary | Manufacturing | $1,107,960 | $1,119,901 | 85 | $22.3M | Research |
| Martin & White Mechanical Contractors INC | Construction | $786,422 | $789,393 | 62 | $19.6M | Research |
| Martin & White Mechanical Contractors INC | Construction | $786,422 | $790,835 | 88 | $27.8M | Research |
| Tipton-Rosemark Academy | Educational Services | $526,800 | $530,249 | 75 | N/A | Research |
| Grinder Fabricators & Erectors, Inc. | Manufacturing | $498,643 | $501,925 | 50 | $12.2M | Research |
| Grinder Fabricators & Erectors Inc. | Manufacturing | $463,143 | $467,114 | 44 | $10.8M | Research |
| Unistar-Sparco Computers INC | Administrative and Support and Waste Management | $410,000 | $414,248 | 34 | $6.4M | Research |
| Unistar-Sparco Computers Inc. | Professional, Scientific, and Technical Services | $384,082 | $388,302 | 43 | $8.9M | Research |
| Inman-Murphy INC | Administrative and Support and Waste Management | $382,734 | $385,105 | 26 | $5.6M | Research |
| Huey's Millington LLC | Accommodation and Food Services | $372,000 | $374,604 | 50 | $8.9M | Research |
| Grisham Bros LLC | Manufacturing | $358,118 | $341,227 | 42 | $10.3M | Research |
| Boatwright Drug Co., Inc. | Retail Trade | $348,700 | $353,582 | 43 | $7.5M | Research |
| Bh&m Environmental Consultants INC | Professional, Scientific, and Technical Services | $319,795 | $325,889 | 32 | <$5M | Research |
| Edm, Inc. | Wholesale Trade | $292,137 | $294,571 | 28 | $8.6M | Research |
| Parcou LLC | Administrative and Support and Waste Management | $286,765 | $288,996 | 135 | $29.2M | Research |
| Huey's Millington, LLC | Accommodation and Food Services | $265,700 | $268,010 | 58 | $10.3M | Research |
| 901 Collision Center LLC | Other Services (except Public Administration) | $251,457 | $254,082 | 20 | <$5M | Research |
| 901 Collision Center LLC | Wholesale Trade | $246,600 | $249,463 | 20 | $6.1M | Research |
| Medical Machining Technologies LLC | Manufacturing | $241,728 | $240,526 | 18 | <$5M | Research |
| Kevin D Reed DDS | Health Care and Social Assistance | $228,800 | $230,380 | 15 | <$5M | Research |
| Parcou LLC | Administrative and Support and Waste Management | $224,752 | $203,316 | 71 | $15.4M | Research |