| BABarnes Aerospace | Windsor | CT | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| ALAerocision LLC | Chester | CT | Transportation Equipment Manufacturing336412 | 20-99 | ◐ LIKELY ACTIVE |
Bracone Metal Spinning, INC. | Southington | CT | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| CMColumbia Manufacturing, INC. | Columbia | CT | Transportation Equipment Manufacturing336412 | 20-99 | ◐ LIKELY ACTIVE |
| HAHanwha Aerospace USA | Glastonbury | CT | Transportation Equipment Manufacturing336412 | 20-99 | ◐ LIKELY ACTIVE |
| MTMetals Testing CO | South Windsor | CT | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| MTMorgan Truck Body LLC - Mct | Moosup | CT | Transportation Equipment Manufacturing336211 | 100-499 | ◐ LIKELY ACTIVE |
| NINickson Industries | Plainville | CT | Transportation Equipment Manufacturing336390 | 20-99 | ◐ LIKELY ACTIVE |
| PWPratt & Whitney | Middletown | CT | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| PWPratt & Whitney, Division of Rtx CORP | East Hartford | CT | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
Ren Investment Group, INC | Suffield | CT | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| SASikorsky Aircraft Headquarters | Stratford | CT | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |
| TATriumph Actuation Systems | Windsor | CT | Machinery Manufacturing333995 | 100-499 | ◐ LIKELY ACTIVE |
| UEUnison Engine Components | Manchester | CT | Computer and Electronic Product Manufacturing334511 | — | ◐ LIKELY ACTIVE |
| UNU.s. Naval Submarine Base New London (subasenlon) | Groton | CT | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| TPTect Power | Newington | CT | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| ASAlloy Specialties LLC | Manchester | CT | Transportation Equipment Manufacturing336412 | 20-99 | ◐ LIKELY ACTIVE |
Beta Shim CO. | Shelton | CT | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
Brandstrom Instruments, INC. | Ridgefield | CT | Transportation Equipment Manufacturing336413 | — | ◐ LIKELY ACTIVE |
Fibre Tech Usa, LLC | Stamford | CT | Transportation Equipment Manufacturing336413 | — | ◐ LIKELY ACTIVE |
Joval Machine CO INC | Yalesville | CT | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| MSMarine Special Products Group, LLC | Essex | CT | Transportation Equipment Manufacturing336612 | — | ◐ LIKELY ACTIVE |
Waveaerospace INC | Old Greenwich | CT | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |
| AIAtlantic Inertial Systems INC | Cheshire | CT | Computer and Electronic Product Manufacturing334511 | — | ◐ LIKELY ACTIVE |
| BIBauer INC | Bristol | CT | Transportation Equipment Manufacturing336413 | 100-499 | ◐ LIKELY ACTIVE |
| BAB&n Aerospace, INC. | Newington | CT | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| DGDrivesol Global Steering | Watertown | CT | Transportation Equipment Manufacturing336330 | — | ◐ LIKELY ACTIVE |
| ECEbtec Corporation | East Windsor | CT | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| EOE O Manufacturing Company, INC. | West Haven | CT | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| GAGkn Aerospace Newington LLC | Newington | CT | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| GAGkn Aerospace Services Structures LLC | Cromwell | CT | Electrical Equipment, Appliance & Component Manufacturing335991 | — | ◐ LIKELY ACTIVE |
| GTGlobal Turbine Component Technologies, LLC | South Windsor | CT | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| HSHamilton Sundstrand Corporation | Windsor Locks | CT | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| KAKaman Aerospace Helicopters Division | Bloomfield | CT | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |
| LELeading Edge Aero, LLC | Bethel | CT | Transportation Equipment Manufacturing336413 | — | ◐ LIKELY ACTIVE |
| TSThames Shipyard & Repair | New London | CT | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| 1M100 Mechanic St | Pawcatuck | CT | Transportation Equipment Manufacturing336611 | 20-99 | ◐ LIKELY ACTIVE |
| AIAiw-alton INC | Windsor Locks | CT | Transportation Equipment Manufacturing336413 | — | ◐ LIKELY ACTIVE |
| APAmco Precision Tools LLC | Berlin | CT | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |
| ALArden LLC | Riverside | CT | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |
| AIAtp Industries, LLC | Plainville | CT | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| BABarnes Aerospace East Granby Division | East Granby | CT | Transportation Equipment Manufacturing336412 | 20-99 | ◐ LIKELY ACTIVE |
| BNBirdon NE, LLC | Portland | CT | Transportation Equipment Manufacturing336611 | 20-99 | ◐ LIKELY ACTIVE |
| BCBloomfield, CT | Bloomfield | CT | Transportation Equipment Manufacturing336413 | 20-99 | ◐ LIKELY ACTIVE |
| BABms Acucut LLC | Southington | CT | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| BBBridgeport Boatworks, INC. | Bridgeport | CT | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| CGChromalloy Gas Turbine LLC | Windsor | CT | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| CTConnecticut Trailers, INC. | Bolton | CT | Transportation Equipment Manufacturing336212 | — | ◐ LIKELY ACTIVE |
| CCtang1-yucn | Groton | CT | Transportation Equipment Manufacturing336411 | 20-99 | ◐ LIKELY ACTIVE |
| DADRT Aerospace- Winsted | Winsted | CT | Transportation Equipment Manufacturing336412 | 20-99 | ◐ LIKELY ACTIVE |