| Green Acres Lawn Care INC | Administrative and Support and Waste Management | $323,200 | $326,612 | 30 | $6.5M |  Research |
| Stoneleigh Golf Club LLC | Arts, Entertainment, and Recreation | $254,500 | $256,677 | 51 | $7.1M | Research |
| Wildwood Landscape LLC | Administrative and Support and Waste Management | $201,052 | $202,325 | 19 | <$5M | Research |
| Collier Homes, INC | Construction | $168,600 | $29,636 | 26 | <$5M | Research |
| Horizon Contracting Company | Administrative and Support and Waste Management | $153,000 | $154,487 | 20 | <$5M | Research |
| Savoir-Fare Ltd. | Accommodation and Food Services | $123,000 | $123,853 | 8 | <$5M | Research |
| Avlh Inc. | Other Services (except Public Administration) | $122,875 | $123,663 | 27 | $5.2M | Research |
| Loudoun Deck and Fence Company | Construction | $109,100 | $94,782 | 10 | <$5M | Research |
| Addison Contractors INC | Construction | $104,300 | $105,294 | 6 | <$5M | Research |
| Baby Goat LLC | Accommodation and Food Services | $89,600 | $90,535 | 31 | $5.5M | Research |
| House Paws Animal Hospital Round Hill, INC | Professional, Scientific, and Technical Services | $86,700 | $87,516 | 17 | <$5M | Research |
| Savoir Fare Ltd. | Accommodation and Food Services | $85,100 | $85,644 | 8 | <$5M | Research |
| Home Construction Services INC | Construction | $82,588 | $83,253 | 7 | <$5M | Research |
| Calebs Country Services LLC | Administrative and Support and Waste Management | $81,910 | $82,627 | 11 | <$5M | Research |
| Hartley Home Exteriors LLC | Construction | $73,500 | $74,221 | 7 | <$5M | Research |
| The Manor at Airmont LLC | Accommodation and Food Services | $71,180 | $71,549 | 5 | <$5M | Research |
| House Paws Animal Hospital Round Hill INC | Professional, Scientific, and Technical Services | $66,862 | $67,146 | 11 | <$5M | Research |
| Sgarrella Brothers Construction, INC | Construction | $66,100 | $66,520 | 4 | <$5M | Research |
| Oswaldo Castillo Cleaning | Administrative and Support and Waste Management | $63,832 | $64,283 | 11 | <$5M | Research |
| Oswaldo Castillo Cleaning Service INC | Administrative and Support and Waste Management | $63,719 | $64,323 | 10 | <$5M | Research |
| Rit Government Solutions LLC | Professional, Scientific, and Technical Services | $62,500 | $63,028 | 3 | <$5M | Research |
| Caleb's Country Services LLC | Administrative and Support and Waste Management | $58,756 | $59,634 | 13 | <$5M | Research |
| Atlantic Deck Company | Construction | $58,755 | $43,038 | 4 | <$5M | Research |
| Premier Turf Farms LLC | Agriculture, Forestry, Fishing and Hunting | $57,833 | $58,223 | 5 | <$5M | Research |
| Kellys Traditional Masonry LLC | Construction | $54,200 | $54,704 | 5 | <$5M | Research |