| AEAltek Electronics INC | Torrington | CT | Computer and Electronic Product Manufacturing334418 | 100-499 | ◐ LIKELY ACTIVE |
| AEAmerican Electro Products | Waterbury | CT | Fabricated Metal Product Manufacturing332813 | 100-499 | ◐ LIKELY ACTIVE |
| ASAmetek Specialty Metal Product | Wallingford | CT | Primary Metal Manufacturing331318 | — | ◐ LIKELY ACTIVE |
| ACAmphenol Corporation | Danbury | CT | Fabricated Metal Product Manufacturing332721 | — | ◐ LIKELY ACTIVE |
| ASAmphenol Spectra Strip | Hamden | CT | Primary Metal Manufacturing331420 | — | ◐ LIKELY ACTIVE |
| AMAtlas Metal Works LLC | South Windsor | CT | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| BRBedoukian Research INC | Danbury | CT | Chemical Manufacturing325199 | 100-499 | ◐ LIKELY ACTIVE |
Bedoukian Research, INC. | Danbury | CT | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| BWBrook & Whittle, Ltd. - Guilford | Guilford | CT | Printing and Related Support Activities323111 | 100-499 | ◐ LIKELY ACTIVE |
Brookwood Laminating INC. | Plainfield | CT | Textile Mills313310 | — | ◐ LIKELY ACTIVE |
| CIClinton Instrument CO the | Clinton | CT | Computer and Electronic Product Manufacturing334419 | 1-19 | ◐ LIKELY ACTIVE |
| CMColt Manufacturing Company | West Hartford | CT | Fabricated Metal Product Manufacturing332994 | — | ◐ LIKELY ACTIVE |
| CMCombined Metals of Chicago | Bristol | CT | Primary Metal Manufacturing331221 | 1-19 | ◐ LIKELY ACTIVE |
| CLCovidien LP (formerly U S Surgical CORP /tyco Healthcare Group) | North Haven | CT | Miscellaneous Manufacturing339112 | — | ◐ LIKELY ACTIVE |
| DGData Graphics | Newington | CT | Printing and Related Support Activities323110 | — | ◐ LIKELY ACTIVE |
| DBDevine Bros Heating | Norwalk | CT | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| DMDmr Materials, LLC | Bloomfield | CT | Nonmetallic Mineral Product Manufacturing327999 | 1-19 | ◐ LIKELY ACTIVE |
| EMEcho Manufacturing CO INC | Waterbury | CT | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| ECElm City Cheese Co, INC | Hamden | CT | Food Manufacturing311513 | 1-19 | ◐ LIKELY ACTIVE |
| ETEnfield Transit Mix | Enfield | CT | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| ESEngineering Specialties, INC. | North Branford | CT | Fabricated Metal Product Manufacturing332116 | 20-99 | ◐ LIKELY ACTIVE |
| EOE O Manufacturing Company, INC. | West Haven | CT | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| FTFerti Technologies Ct CORP | Wallingford | CT | Chemical Manufacturing325314 | — | ◐ LIKELY ACTIVE |
| GEGar Electroforming | Danbury | CT | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| GMGbc Metals LLC Somers Thin Strip | Waterbury | CT | Primary Metal Manufacturing331420 | — | ◐ LIKELY ACTIVE |
Get Real Foods LLC | Greenwich | CT | Food Manufacturing311821 | — | ◐ LIKELY ACTIVE |
| GRGordon Rubber & Packaging | Derby | CT | Plastics and Rubber Products Manufacturing326299 | 1-19 | ◐ LIKELY ACTIVE |
| GDGuida Dairy | New Britain | CT | Food Manufacturing311511 | — | ◐ LIKELY ACTIVE |
| HRHampford Research | Stratford | CT | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| HAHanwha Aerospace USA | Glastonbury | CT | Transportation Equipment Manufacturing336412 | 20-99 | ◐ LIKELY ACTIVE |
| HSHighway Safety CORP / Ct Galvanizing | Glastonbury | CT | Fabricated Metal Product Manufacturing332322 | — | ◐ LIKELY ACTIVE |
| HCHolm Corrugated Container, INC | Southington | CT | Paper Manufacturing322211 | 20-99 | ◐ LIKELY ACTIVE |
| HFHoneywell Fire Safety | Northford | CT | Computer and Electronic Product Manufacturing334290 | 500+ | ◐ LIKELY ACTIVE |
| HVHoya Vision Care | South Windsor | CT | Miscellaneous Manufacturing339115 | 20-99 | ◐ LIKELY ACTIVE |
| HHyAxiom | South Windsor | CT | Electrical Equipment, Appliance & Component Manufacturing335999 | 100-499 | ◐ LIKELY ACTIVE |
| JVJacobs Vehicle Systems | Bloomfield | CT | Machinery Manufacturing333618 | — | ◐ LIKELY ACTIVE |
| JIJames Ippolito & CO. of Connecticut, INC. | Bridgeport | CT | Transportation Equipment Manufacturing336413 | 1-19 | ◐ LIKELY ACTIVE |
| JBJ.j. Box Co., INC. | Bridgeport | CT | Wood Product Manufacturing321920 | 1-19 | ◐ LIKELY ACTIVE |
| LSLab Security Systems CORP | Bristol | CT | Fabricated Metal Product Manufacturing332721 | 20-99 | ◐ LIKELY ACTIVE |
| LALani a Hayduk | Milford | CT | Plastics and Rubber Products Manufacturing326199 | 1-19 | ◐ LIKELY ACTIVE |
| LMLeelynd Mfg. Co., INC. | Waterbury | CT | Miscellaneous Manufacturing339999 | 1-19 | ◐ LIKELY ACTIVE |
| LRLight Rock Spring Water Inc. | Danbury | CT | Beverage and Tobacco Product Manufacturing312111 | 1-19 | ◐ LIKELY ACTIVE |
| LSLogan Steel | Meriden | CT | Paper Manufacturing322211 | — | ◐ LIKELY ACTIVE |
| LSLorence Signworks, LLC | Berlin | CT | Miscellaneous Manufacturing339950 | 1-19 | ◐ LIKELY ACTIVE |
Marketing Solutions Unlimited, LLC | West Hartford | CT | Printing and Related Support Activities323111 | — | ◐ LIKELY ACTIVE |
Md Solarsciences CORP. | Westport | CT | Chemical Manufacturing325620 | 1-19 | ◐ LIKELY ACTIVE |
| MTMetals Testing CO | South Windsor | CT | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| MWMeyer Wire CO | Hamden | CT | Fabricated Metal Product Manufacturing332618 | 1-19 | ◐ LIKELY ACTIVE |
| MTMirion Technologies (canberra) INC | Meriden | CT | Computer and Electronic Product Manufacturing334519 | 100-499 | ◐ LIKELY ACTIVE |
| MTMorgan Truck Body LLC - Mct | Moosup | CT | Transportation Equipment Manufacturing336211 | 100-499 | ◐ LIKELY ACTIVE |