| Sennheiser Electronic Corporation | Wholesale Trade | $2,581,534 | $2,610,674 | 128 | $39.2M |  Research |
| Simpson Healthcare Executives, LLC | Professional, Scientific, and Technical Services | $836,100 | $845,950 | 32 | <$5M | Research |
| Housatonic Transportation Cmpany | Transportation and Warehousing | $668,300 | $674,470 | 46 | $11.7M | Research |
| Reynolds Garage & Marine Inc. | Other Services (except Public Administration) | $650,662 | $655,618 | 50 | $9.8M | Research |
| Overabove | Professional, Scientific, and Technical Services | $529,100 | $532,217 | 33 | <$5M | Research |
| Fiberqa LLC | Manufacturing | $370,100 | $372,371 | 15 | <$5M | Research |
| Callaway Cars, Inc. | Other Services (except Public Administration) | $332,411 | $334,546 | 17 | <$5M | Research |
| Callaway Cars, Inc. | Manufacturing | $332,410 | $334,359 | 17 | <$5M | Research |
| Jln Associates LLC | Professional, Scientific, and Technical Services | $299,454 | $303,236 | 12 | <$5M | Research |
| Jln Associates LLC | Professional, Scientific, and Technical Services | $299,454 | $242,770 | 18 | <$5M | Research |
| Readco Management, LLC | Real Estate and Rental and Leasing | $285,400 | $287,770 | 14 | <$5M | Research |
| Fiberqa LLC | Manufacturing | $265,100 | $268,928 | 21 | $5.5M | Research |
| Florence Griswold Museum, Inc. | Arts, Entertainment, and Recreation | $262,750 | $265,082 | 18 | N/A | Research |
| Florence Griswold Museum Inc. | Arts, Entertainment, and Recreation | $262,750 | $264,327 | 18 | N/A | Research |
| M. Brett Painting Company INC | Construction | $260,153 | $261,878 | 70 | $17.7M | Research |
| M. Brett Painting Company, Inc. | Construction | $260,152 | $262,162 | 70 | $17.7M | Research |
| Nancy Larson Publishers INC | Information | $219,072 | $220,488 | 22 | <$5M | Research |
| Nancy Larson Publishers INC | Information | $218,370 | $219,800 | 24 | <$5M | Research |
| Southeastern Employment Services LLC | Administrative and Support and Waste Management | $205,215 | $206,688 | 20 | <$5M | Research |
| Black Hall Club, Inc. | Arts, Entertainment, and Recreation | $203,347 | $204,885 | 48 | $6.7M | Research |
| Southeastern Employment Services LLC | Administrative and Support and Waste Management | $200,000 | $201,507 | 20 | <$5M | Research |
| Open Opportunity LLC | Accommodation and Food Services | $189,833 | $192,381 | 10 | <$5M | Research |
| Machnik Bros. Inc. | Construction | $188,699 | $190,486 | 9 | <$5M | Research |
| All Pro Tire INC | Other Services (except Public Administration) | $179,261 | $180,872 | 16 | <$5M | Research |
| Judge's Farm, LLC | Agriculture, Forestry, Fishing and Hunting | $174,899 | $175,872 | 33 | <$5M | Research |