| Tower Laboratories Ltd | Manufacturing | $2,747,100 | $2,778,184 | 213 | $211.3M |  Research |
| Centerbrook Architects and Planners LLP | Professional, Scientific, and Technical Services | $1,051,340 | $1,057,216 | 53 | $16.4M | Research |
| Nalas Engineering Services Inc. | Professional, Scientific, and Technical Services | $869,100 | $876,367 | 42 | $5.2M | Research |
| Corrosion Probe Inc. | Other Services (except Public Administration) | $748,227 | $758,128 | 42 | $8.0M | Research |
| Overabove | Professional, Scientific, and Technical Services | $632,400 | $636,283 | 42 | <$5M | Research |
| Noble Construction & Management Inc. | Construction | $501,999 | $506,881 | 20 | $22.8M | Research |
| Essex Products Group, Inc. | Manufacturing | $391,000 | $394,610 | 33 | $8.6M | Research |
| Noble Construction and Management, Inc. | Construction | $345,701 | $349,376 | 20 | $22.8M | Research |
| Strategies Publishing Group, Inc. | Professional, Scientific, and Technical Services | $316,000 | $317,785 | 25 | <$5M | Research |
| Visiting Nurses of the Lower Valley | Other Services (except Public Administration) | $289,925 | $292,546 | 32 | N/A | Research |
| Strategies Publishing Group, Inc. | Professional, Scientific, and Technical Services | $251,637 | $254,384 | 14 | <$5M | Research |
| Connecticut Controls Corporation | Construction | $196,694 | $198,284 | 14 | <$5M | Research |
| Essex LLC | Accommodation and Food Services | $154,000 | $155,510 | 22 | <$5M | Research |
| Angelini Wine Ltd. | Wholesale Trade | $146,838 | $148,495 | 17 | <$5M | Research |
| Angelini Wine, Ltd. | Wholesale Trade | $142,992 | $144,653 | 20 | $5.1M | Research |
| Twin Networks Inc. | Professional, Scientific, and Technical Services | $137,100 | $139,117 | 9 | <$5M | Research |
| Twin Networks Inc. | Professional, Scientific, and Technical Services | $137,100 | $138,095 | 9 | <$5M | Research |
| Hudson Kilby & Mccauley LLC | Professional, Scientific, and Technical Services | $119,050 | $119,644 | 7 | <$5M | Research |
| Ernest D. Reamer Dmd PC | Health Care and Social Assistance | $109,805 | $110,897 | 10 | <$5M | Research |
| Meadowbrook Manor LLC | Health Care and Social Assistance | $102,746 | $103,323 | 10 | <$5M | Research |
| Essex LLC | Arts, Entertainment, and Recreation | $100,000 | $100,874 | 26 | <$5M | Research |
| Four Seasons Construction LLC | Construction | $90,537 | $91,413 | 5 | <$5M | Research |
| Four Seasons Construction LLC | Construction | $90,537 | $91,809 | 84 | $25.5M | Research |
| Savour Cafe & Bakery LLC | Accommodation and Food Services | $88,223 | $88,625 | 33 | $5.9M | Research |
| Specialty Rx Consulting, LLC | Retail Trade | $83,515 | $84,130 | 13 | <$5M | Research |