| Bolton Veterinary Hospital P.c. | Professional, Scientific, and Technical Services | $1,345,000 | $1,357,529 | 131 | $18.3M |  Research |
| Carlyle Johnson Machine Co LLC | Manufacturing | $710,042 | $714,963 | 46 | $12.0M | Research |
| Carlyle Johnson Machine Co LLC | Manufacturing | $710,042 | $714,458 | 46 | $12.0M | Research |
| Able Coil & Electronics | Manufacturing | $706,972 | $711,617 | 73 | $19.1M | Research |
| Munsons Candy Kitchen INC | Manufacturing | $567,995 | $575,107 | 150 | $52.9M | Research |
| Munsons Candy Kitchen INC | Manufacturing | $567,995 | $573,955 | 250 | $88.2M | Research |
| Telesforo Consulting LLC | Professional, Scientific, and Technical Services | $357,362 | $359,541 | 11 | <$5M | Research |
| Telesforo Consulting, LLC | Professional, Scientific, and Technical Services | $315,045 | $317,000 | 18 | <$5M | Research |
| Grecian Restaurant & Banquets Inc. | Accommodation and Food Services | $302,928 | $305,368 | 39 | $6.9M | Research |
| Grecian Restaurant & Banquets, Inc. | Accommodation and Food Services | $245,000 | $248,014 | 65 | $11.5M | Research |
| West Reach Construction Company, Inc. | Construction | $198,000 | $200,696 | 17 | $5.2M | Research |
| Connecticut Trailers INC | Other Services (except Public Administration) | $160,115 | $161,212 | 16 | <$5M | Research |
| Il Panino INC | Accommodation and Food Services | $156,618 | $157,949 | 19 | <$5M | Research |
| Cbbh Enterprise LLC | Accommodation and Food Services | $131,250 | $132,048 | 17 | <$5M | Research |
| John Dean Custom Cabinetry, LLC | Manufacturing | $121,600 | $122,976 | 13 | <$5M | Research |
| Energy Unlimited, LLC | Construction | $120,000 | $121,177 | 10 | <$5M | Research |
| W H Preuss Sons INC | Transportation and Warehousing | $118,000 | $119,539 | 8 | <$5M | Research |
| Il Panino INC | Accommodation and Food Services | $111,870 | $112,653 | 19 | <$5M | Research |
| Family Medicine Partnership PC | Health Care and Social Assistance | $105,000 | $105,811 | 7 | <$5M | Research |
| M & M Electric Inc. | Construction | $100,887 | $101,783 | 10 | <$5M | Research |
| M&m Electric Inc. | Construction | $99,573 | $100,618 | 9 | <$5M | Research |
| Bolton Lake Dental, LLC | Health Care and Social Assistance | $91,700 | $92,284 | 7 | <$5M | Research |
| Bolton Lake Dental LLC | Health Care and Social Assistance | $91,700 | $92,505 | 8 | <$5M | Research |
| Bolton Collision Repair, Inc. | Other Services (except Public Administration) | $80,100 | $80,594 | 11 | <$5M | Research |
| Bolton Home Remodelers LLC | Retail Trade | $78,662 | $15,665 | 8 | <$5M | Research |