| Calabro Cheese Corporation | Manufacturing | $1,367,700 | $1,380,628 | 64 | $22.6M | Research |
| Whispering Pines Rehabilitatio | Health Care and Social Assistance | $1,134,000 | $1,144,805 | 243 | $41.3M | Research |
| Whispering Pines Rehabilitation and Nursing Center LLC | Health Care and Social Assistance | $1,134,000 | $1,144,206 | 243 | $41.3M | Research |
| David Mcdermott of New Haven INC | Retail Trade | $740,000 | $748,448 | 60 | $15.1M | Research |
| David Mcdermott Chevrolet INC | Retail Trade | $685,000 | $692,801 | 51 | $12.9M | Research |
| Laurel Woods Health Care Center, LLC | Health Care and Social Assistance | $623,522 | $631,688 | 84 | $14.3M | Research |
| Utopia Home Care, INC | Health Care and Social Assistance | $622,200 | $630,686 | 73 | $12.5M | Research |
| Current INC | Manufacturing | $601,320 | $606,312 | 81 | $80.3M | Research |
| Quality Mechanical Corporation | Construction | $597,017 | $603,707 | 42 | $13.3M | Research |
| Luciani Enterprises LLC | Administrative and Support and Waste Management | $586,700 | $592,165 | 53 | $11.5M | Research |
| Burzenski & Company, PC | Professional, Scientific, and Technical Services | $569,200 | $574,513 | 39 | $12.4M | Research |
| Quality Associates INC | Construction | $556,682 | $562,889 | 30 | $11.2M | Research |
| Quality Mechanical Corporation | Construction | $504,204 | $510,089 | 42 | $13.3M | Research |
| F J Dahill Co INC | Construction | $503,862 | $509,852 | 36 | $11.9M | Research |
| Quality Associates, INC | Construction | $449,100 | $454,219 | 30 | $11.2M | Research |
| Total Logistics Staffing LLC | Administrative and Support and Waste Management | $398,900 | $403,490 | 85 | $13.4M | Research |
| Lester INC | Professional, Scientific, and Technical Services | $397,052 | $400,816 | 97 | $10.9M | Research |
| Lester Inc. | Professional, Scientific, and Technical Services | $397,000 | $400,056 | 97 | $13.6M | Research |
| Buckingham Routh Company | Construction | $389,324 | $392,119 | 31 | $9.8M | Research |
| A.f.forbes Inc. DBA Forbes Premium Fuel | Retail Trade | $376,500 | $381,719 | 43 | $14.4M | Research |
| A F Forbes INC | Retail Trade | $376,500 | $379,842 | 43 | $14.4M | Research |
| Electrical Services Group, LLC | Construction | $374,067 | $377,439 | 20 | $6.6M | Research |
| Ginnetti Petroleum Transporters, LLC | Transportation and Warehousing | $372,200 | $378,767 | 10 | <$5M | Research |
| Utopia Assisted Living Services ,inc | Health Care and Social Assistance | $367,100 | $374,136 | 128 | $21.9M | Research |
| Fpim of New Haven County | Health Care and Social Assistance | $311,145 | $313,771 | 19 | $6.0M | Research |