| Burns Construction Co., INC | Construction | $3,690,900 | $5,797,789 | 210 | $65.1M | Research |
| Southern Connecticut Vascular LLC | Health Care and Social Assistance | $3,494,693 | $3,538,257 | 214 | $67.2M | Research |
| Family Care Visiting Nurse & Home Care a | Health Care and Social Assistance | $3,399,610 | $3,436,866 | 293 | $50.2M | Research |
| Lord Chamberlain, INC | Health Care and Social Assistance | $3,177,500 | $3,222,072 | 491 | $83.5M | Research |
| William B. Meyer, Incorporated | Professional, Scientific, and Technical Services | $2,553,400 | $2,515,357 | 150 | $15.5M | Research |
| The Electric Heater Company | Transportation and Warehousing | $2,199,200 | $2,226,615 | 127 | $19.2M | Research |
| Main Enterprises, Inc. | Construction | $1,873,000 | $1,888,908 | 102 | $32.3M | Research |
| The Electric Heater Company | Manufacturing | $1,809,273 | $1,822,409 | 154 | $40.3M | Research |
| Food Automation Service Techniques INC | Manufacturing | $1,760,677 | $1,769,312 | 82 | $21.5M | Research |
| Food Automation - Service Techniques, Inc. | Manufacturing | $1,760,600 | $1,777,193 | 114 | $29.8M | Research |
| Nuovo Pasta Productions Ltd | Manufacturing | $1,691,645 | $1,707,528 | 170 | $60.0M | Research |
| Pace Motor Lines INC & Subsidiary | Transportation and Warehousing | $1,663,000 | $1,628,729 | 126 | $19.0M | Research |
| Two Roads Brewing Company LLC | Accommodation and Food Services | $1,643,027 | $1,655,059 | 125 | $15.3M | Research |
| Pace Air Service, INC | Transportation and Warehousing | $1,529,700 | $1,542,490 | 140 | $21.2M | Research |
| Fcp Live-In, Llc. | Health Care and Social Assistance | $1,492,600 | $1,504,623 | 210 | $36.0M | Research |
| H.hulse INC | Construction | $1,434,890 | $173,914 | 11 | N/A | Research |
| U S Chrome Corp | Manufacturing | $1,249,300 | $1,265,090 | 107 | $26.2M | Research |
| Ct in Home Assistance LLC | Health Care and Social Assistance | $1,189,900 | $1,200,840 | 400 | $68.5M | Research |
| Ct In-Home Assistance LLC | Health Care and Social Assistance | $1,086,751 | $1,094,419 | 150 | $25.7M | Research |
| Straton Industries, Inc. | Manufacturing | $1,027,998 | $1,037,736 | 75 | $18.3M | Research |
| J.r. Merritt Controls INC | Manufacturing | $1,009,073 | $1,014,906 | 41 | $11.4M | Research |
| Westport Precision LLC | Manufacturing | $934,200 | $939,780 | 79 | $19.3M | Research |
| Westport Precision LLC | Manufacturing | $912,753 | $919,530 | 73 | $17.8M | Research |
| The Stratford Visiting Nurse Association, Incorporated | Health Care and Social Assistance | $865,000 | $874,490 | 79 | N/A | Research |
| Home Comfort Practice INC | Construction | $830,575 | $840,519 | 83 | $25.2M | Research |