| EFEmhart Fastening Teknologies | Danbury | CT | Fabricated Metal Product Manufacturing332510 | — | ◐ LIKELY ACTIVE |
| ACAmphenol Corporation | Danbury | CT | Fabricated Metal Product Manufacturing332721 | — | ◐ LIKELY ACTIVE |
| BRBedoukian Research INC | Danbury | CT | Chemical Manufacturing325199 | 100-499 | ◐ LIKELY ACTIVE |
Bedoukian Research, INC. | Danbury | CT | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| GEGar Electroforming | Danbury | CT | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| LRLight Rock Spring Water Inc. | Danbury | CT | Beverage and Tobacco Product Manufacturing312111 | 1-19 | ◐ LIKELY ACTIVE |
| OGO & G Industries | Danbury | CT | Nonmetallic Mineral Product Manufacturing327310 | — | ◐ LIKELY ACTIVE |
| THTilcon Hot Mix Asphalt | Danbury | CT | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| BUBelimo U.s. INC. | Danbury | CT | Computer and Electronic Product Manufacturing334512 | 500+ | ◐ LIKELY ACTIVE |
| WBWallace Building Products Corporation | Danbury | NH | Wood Product Manufacturing321992 | 20-99 | ◐ LIKELY ACTIVE |
| ASAllied Sinterings Powder Metal Products | Danbury | CT | Primary Metal Manufacturing331221 | 1-19 | ◐ LIKELY ACTIVE |
| FPFairfield Processing CORP | Danbury | CT | Miscellaneous Manufacturing339999 | — | ◐ LIKELY ACTIVE |
Fuelcell Energy INC | Danbury | CT | Electrical Equipment, Appliance & Component Manufacturing335999 | 100-499 | ◐ LIKELY ACTIVE |
| GEGoodrich Electro-optical Systems | Danbury | CT | Machinery Manufacturing333310 | — | ◐ LIKELY ACTIVE |
| RBRadial Bearing | Danbury | CT | Fabricated Metal Product Manufacturing332991 | 20-99 | ◐ LIKELY ACTIVE |
| VPVillarina Pasta & Fine Foods, INC | Danbury | CT | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| KIKimchuck INC | Danbury | CT | Electrical Equipment, Appliance & Component Manufacturing335999 | 20-99 | ◐ LIKELY ACTIVE |
| RCRsa CORP | Danbury | CT | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| 9D908 Danbury | Danbury | CT | Computer and Electronic Product Manufacturing334516 | 20-99 | ◐ LIKELY ACTIVE |
| ASAllied Sinterings Incorporated | Danbury | CT | Fabricated Metal Product Manufacturing332117 | 20-99 | ◐ LIKELY ACTIVE |
| DIDunmore International Corporation - Brewster | Danbury | NY | Plastics and Rubber Products Manufacturing326113 | 20-99 | ◐ LIKELY ACTIVE |
| ELElectroformers, LLC | Danbury | CT | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| EIEmpire Importers and Distributors, Inc. | Danbury | CT | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| GFGallucci's Fine Foods | Danbury | CT | Food Manufacturing311412 | 20-99 | ◐ LIKELY ACTIVE |
| HWHaunting Whisper Spirits | Danbury | NH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| KFKibberia Foods LLC | Danbury | CT | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| OBOmaha Beef Company Inc. | Danbury | CT | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| PMParker Medical | Danbury | CT | Computer and Electronic Product Manufacturing334517 | 20-99 | ◐ LIKELY ACTIVE |
| RCR.S.A. Corp. | Danbury | CT | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| SWStewarts Wood Products | Danbury | NC | Wood Product Manufacturing321113 | 20-99 | ◐ LIKELY ACTIVE |
| TTTommy's Too High Wines | Danbury | WI | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |