United Gear and Machine Co, INC | Suffield | CT | Machinery Manufacturing333612 | — | ● ACTIVE |
| USUnited Service CO INC | West Hartford | CT | Machinery Manufacturing333310 | — | ● ACTIVE |
USA Mechanical & Energy Services, LLC | East Granby | CT | Machinery Manufacturing333415 | — | ● ACTIVE |
| VEVangor Engineering Corporation, the | Oxford | CT | Machinery Manufacturing333514 | — | ● ACTIVE |
Wire Edm Solutions LLC | Plainville | CT | Machinery Manufacturing333517 | — | ● ACTIVE |
| DCDavis-standard CORP | Pawcatuck | CT | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
Petit Tool CO. the | Thomaston | CT | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| ASAmerican Sleeve Bearing | Stafford Springs | CT | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| BPBell Power Systems | Essex | CT | Machinery Manufacturing333618 | 20-99 | ◐ LIKELY ACTIVE |
| JPJarvis Products Corporation | Middletown | CT | Machinery Manufacturing333241 | 100-499 | ◐ LIKELY ACTIVE |
| NCNorwalk CO. , INC. | Norwalk | CT | Printing and Related Support Activities323120 | 1-19 | ◐ LIKELY ACTIVE |
| PCPall Corporation | Putnam | CT | Textile Product Mills314999 | 20-99 | ◐ LIKELY ACTIVE |
| SSSeymour Sheridan INC | Monroe | CT | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| TATriumph Actuation Systems | Windsor | CT | Machinery Manufacturing333995 | 100-499 | ◐ LIKELY ACTIVE |
| OEOtis Elevator Service Center | Bloomfield | CT | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
Bagela Usa, LLC | Shelton | CT | Machinery Manufacturing333120 | — | ◐ LIKELY ACTIVE |
| ESEdward Segal INC | Thomaston | CT | Machinery Manufacturing333249 | 20-99 | ▲ REPORTED CLOSED |
Kongsberg Digital Simulation INC | Groton | CT | Machinery Manufacturing333310 | — | ◐ LIKELY ACTIVE |
Mes I Acquisition INC. | Sandy Hook | CT | Machinery Manufacturing333912 | — | ◐ LIKELY ACTIVE |
| 3P3m Purification INC | Stafford Springs | CT | Machinery Manufacturing333998 | — | ◐ LIKELY ACTIVE |
| AAirpot | Norwalk | CT | Machinery Manufacturing333319 | 20-99 | ◐ LIKELY ACTIVE |
| ATAPS Tech LLC | Wallingford | CT | Machinery Manufacturing333132 | 20-99 | ◐ LIKELY ACTIVE |
| BABausch Advanced Tech | Clinton | CT | Machinery Manufacturing333993 | 20-99 | ◐ LIKELY ACTIVE |
| BOBlastech Overhaul and Repair CORP | Bloomfield | CT | Machinery Manufacturing333611 | — | ◐ LIKELY ACTIVE |
| CLCadco Ltd | Winsted | CT | Machinery Manufacturing333999 | 20-99 | ◐ LIKELY ACTIVE |
| CDCoating Design Group | Stratford | CT | Machinery Manufacturing333314 | 20-99 | ◐ LIKELY ACTIVE |
| CCCs Clean Solutions, INC. | Danbury | CT | Machinery Manufacturing333413 | — | ▲ REPORTED CLOSED |
| DMDrill Masters Eldorado Tool | Milford | CT | Machinery Manufacturing333512 | 20-99 | ◐ LIKELY ACTIVE |
| E1ebmpapst 100 | Farmington | CT | Machinery Manufacturing333413 | 100-499 | ◐ LIKELY ACTIVE |
| ECEdro Corporation, the | East Berlin | CT | Machinery Manufacturing333310 | — | ◐ LIKELY ACTIVE |
| FSFries Spinning & Stamping, Incorporated | Wallingford | CT | Fabricated Metal Product Manufacturing332119 | — | ◐ LIKELY ACTIVE |
| GAGen-el-mec Associates, LLC | Oxford | CT | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| GEGoodrich Electro-optical Systems | Danbury | CT | Machinery Manufacturing333310 | — | ◐ LIKELY ACTIVE |
| HMHobson & Motzer, LLC - Durham, CT | Durham | CT | Fabricated Metal Product Manufacturing332439 | 100-499 | ◐ LIKELY ACTIVE |
| MCM Cubed Technology Inc | Monroe | CT | Machinery Manufacturing333515 | 100-499 | ◐ LIKELY ACTIVE |
| NUNixon Uniform Service INC. | East Hartford | CT | Machinery Manufacturing333924 | — | ◐ LIKELY ACTIVE |
| PDPic Design CORP | Middlebury | CT | Machinery Manufacturing333612 | 20-99 | ◐ LIKELY ACTIVE |
| PTPlasma Technology Incorporated | South Windsor | CT | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| SMSouthwick & Meister, INC. | Meriden | CT | Machinery Manufacturing333512 | 20-99 | ◐ LIKELY ACTIVE |
| WPWoodland Power Products | West Haven | CT | Machinery Manufacturing333112 | 20-99 | ◐ LIKELY ACTIVE |
| ZCZygo Corporation | Middlefield | CT | Machinery Manufacturing333295 | — | ◐ LIKELY ACTIVE |
| ABAntares/peninsula Bay Development | Stamford | CT | Machinery Manufacturing333313 | — | ◇ UNVERIFIED |
| FCFarrel Corporation | Ansonia | CT | Machinery Manufacturing333220 | — | ◇ UNVERIFIED |
| IIIntergrated Industrial System I2s | Wallingford (yalesville) | CT | Machinery Manufacturing333516 | — | ◇ UNVERIFIED |
| JVJacobs Vehicle Systems | Bloomfield | CT | Machinery Manufacturing333618 | — | ◇ UNVERIFIED |
| MCMahle Cylinder Division (former) | Trumbull | CT | Machinery Manufacturing333618 | — | ◇ UNVERIFIED |
| MTMohegan Tribal Gaming Auth. Engineering | Uncasville | CT | Machinery Manufacturing333298 | — | ◇ UNVERIFIED |
| PBPitney Bowes Marketing Building | Stamford | CT | Machinery Manufacturing333313 | — | ◇ UNVERIFIED |
| TITrident Itw Industrial Inkjet | Brookfield | CT | Machinery Manufacturing333993 | — | ◇ UNVERIFIED |
| TITrumpf INC | Farmington | CT | Machinery Manufacturing333513 | — | ◇ UNVERIFIED |