| M.c. Electrical NY INC | Construction | $1,778,520 | $1,792,797 | 120 | $39.5M | Research |
| The Southington-Cheshire Community Ymca | Other Services (except Public Administration) | $1,468,705 | $1,488,410 | 165 | $31.5M | Research |
| Southington-Cheshire Ymca | Other Services (except Public Administration) | $1,428,707 | $1,449,225 | 292 | $55.8M | Research |
| Air Temp Mechanical Services, Inc. | Construction | $1,407,700 | $1,404,620 | 78 | $24.7M | Research |
| Axiom Technology Group LLC | Professional, Scientific, and Technical Services | $1,354,900 | $1,365,442 | 94 | $9.7M | Research |
| Environmental Designs, Inc. | Professional, Scientific, and Technical Services | $1,344,000 | $1,356,096 | 144 | $29.0M | Research |
| The Goodspeed Opera House Foundation, Inc. | Arts, Entertainment, and Recreation | $1,283,271 | $1,298,459 | 161 | $26.4M | Research |
| Pilgrim Colonial Inc. | Retail Trade | $1,216,100 | $1,226,195 | 110 | $19.9M | Research |
| Pilgrim Colonial INC | Retail Trade | $1,136,500 | $1,151,664 | 109 | $19.8M | Research |
| Counseling in Schools, INC | Educational Services | $1,062,980 | $1,066,384 | 124 | N/A | Research |
| Srs National, LLC | Transportation and Warehousing | $1,051,790 | $435,258 | 37 | $9.9M | Research |
| C V Tool Company INC | Manufacturing | $1,044,695 | $1,056,912 | 46 | $12.0M | Research |
| Housing Partnership Network | Health Care and Social Assistance | $1,031,000 | $1,037,949 | 57 | N/A | Research |
| Griffin Electrical Contractors, Inc. | Construction | $924,632 | $933,082 | 72 | $23.7M | Research |
| Electrical Energy Systems Corp | Construction | $922,500 | $927,024 | 53 | $17.4M | Research |
| Rhode Island Textile Company | Manufacturing | $886,670 | $894,784 | 85 | $30.0M | Research |
| Electrical Energy Systems Corporation, Inc. | Construction | $879,700 | $887,196 | 46 | $15.1M | Research |
| Greater New Haven Ob-Gyn Group | Health Care and Social Assistance | $812,068 | $819,543 | 46 | $14.4M | Research |
| Companion Industries Inc. | Wholesale Trade | $805,769 | $813,518 | 56 | $17.2M | Research |
| Realized Solutions INC | Professional, Scientific, and Technical Services | $797,812 | $802,031 | 39 | <$5M | Research |
| Rebel Interactive Group, LLC | Professional, Scientific, and Technical Services | $780,800 | $793,878 | 57 | $5.9M | Research |
| Companion Industries INC | Wholesale Trade | $767,577 | $772,477 | 67 | $20.5M | Research |
| Light Metals Coloring Company Incorporated | Manufacturing | $750,894 | $756,716 | 73 | $17.8M | Research |
| Record Journal INC | Wholesale Trade | $735,930 | $742,926 | 69 | $17.8M | Research |
| New England Business Media, LLC | Professional, Scientific, and Technical Services | $688,100 | $685,254 | 46 | $5.2M | Research |