| Norwich Orthopedic Group, P.c. | Health Care and Social Assistance | $1,665,300 | $1,674,690 | 120 | $37.7M |  Research |
| Dw Transport & Leasing | Administrative and Support and Waste Management | $1,259,603 | $1,275,615 | 112 | $21.2M | Research |
| D.w. Transport & Leasing Inc. | Transportation and Warehousing | $1,259,603 | $1,272,440 | 112 | $22.6M | Research |
| The Plant Group Inc. | Agriculture, Forestry, Fishing and Hunting | $703,663 | $709,716 | 74 | $7.6M | Research |
| The Plant Group, Inc. | Agriculture, Forestry, Fishing and Hunting | $689,923 | $697,824 | 73 | $7.5M | Research |
| Holmgren Subaru INC | Retail Trade | $514,030 | $519,841 | 44 | $11.1M | Research |
| G. Donovan Associates, Inc. | Construction | $503,285 | $509,062 | 31 | $9.4M | Research |
| Service Station Equipment INC | Construction | $431,376 | $434,000 | 39 | $13.3M | Research |
| Service Station Equipment INC | Construction | $407,000 | $409,431 | 33 | $11.2M | Research |
| Kahn Tractor & Equipment Inc. | Retail Trade | $316,700 | $318,887 | 28 | $5.8M | Research |
| The Cushman Farms Limited Partnership | Agriculture, Forestry, Fishing and Hunting | $313,008 | $315,847 | 52 | $8.5M | Research |
| Sterling Superior Services, Inc. | Administrative and Support and Waste Management | $270,200 | $271,724 | 20 | <$5M | Research |
| American Landscape and Lawn Science LLC | Administrative and Support and Waste Management | $248,600 | $250,739 | 23 | <$5M | Research |
| Kropp Environmental Contractors | Administrative and Support and Waste Management | $212,322 | $213,916 | 17 | <$5M | Research |
| Shelby Transport INC | Transportation and Warehousing | $127,912 | $128,774 | 10 | <$5M | Research |
| James Carboni Plumbing & Heating, Inc. | Construction | $114,200 | $114,863 | 8 | <$5M | Research |
| James Carboni Plumbing & Heating Inc. | Construction | $114,200 | $114,654 | 9 | <$5M | Research |
| C & R Insulation, INC | Construction | $90,540 | $91,332 | 10 | <$5M | Research |
| Edwin R Muenzner Cpa, LLC | Professional, Scientific, and Technical Services | $86,600 | $87,112 | 9 | <$5M | Research |
| C&r Insulation INC | Construction | $83,308 | $83,787 | 9 | <$5M | Research |
| Northeast Professional Engineering Consultants LLC | Professional, Scientific, and Technical Services | $64,100 | $64,783 | 4 | <$5M | Research |
| Emelys Corp | Accommodation and Food Services | $57,949 | $58,392 | 8 | <$5M | Research |
| Thames Valley Academy of Gymnastics LLC | Arts, Entertainment, and Recreation | $57,000 | $57,488 | 10 | <$5M | Research |
| Thames Valley Academy of Gymnastics, LLC | Educational Services | $55,750 | $55,971 | 13 | <$5M | Research |
| Process Components INC | Wholesale Trade | $53,750 | $54,270 | 4 | <$5M | Research |