| FPFranklin Producst INC | Torrington | CT | Transportation Equipment Manufacturing336360 | — | ◇ UNVERIFIED |
| GAGkn Aerospace New England | Manchester | CT | Transportation Equipment Manufacturing336412 | — | ◇ UNVERIFIED |
| HSHamilton Sundstrand | East Windsor | CT | Transportation Equipment Manufacturing336413 | — | ◇ UNVERIFIED |
| JVJacobs Vehicle Systems | Bloomfield | CT | Machinery Manufacturing333618 | — | ◇ UNVERIFIED |
| KAKaman Aerospace | Moosup | CT | Transportation Equipment Manufacturing336411 | — | ◇ UNVERIFIED |
| NNumet | Orange | CT | Transportation Equipment Manufacturing336412 | — | ◇ UNVERIFIED |
| OSOverhaul Support Services LLC a Delaware CORP | East Granby | CT | Transportation Equipment Manufacturing336412 | — | ◇ UNVERIFIED |
| PMParadigm Manchester INC | Manchester | CT | Transportation Equipment Manufacturing336412 | — | ◇ UNVERIFIED |
| PAPratt and Whitney Aircraft Engines | North Haven | CT | Transportation Equipment Manufacturing336412 | — | ◇ UNVERIFIED |
| SASikorsky Aircraft Bridgeport I Facility | Bridgeport | CT | Transportation Equipment Manufacturing336411 | — | ◇ UNVERIFIED |
| SASikorsky Aircraft Shelton Iii | Shelton | CT | Transportation Equipment Manufacturing336411 | — | ◇ UNVERIFIED |
| SAStratford Army Engine Plant | Stratford | CT | Transportation Equipment Manufacturing336412 | — | ◇ UNVERIFIED |
| 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 |
| BGBarnes Group INC. | Windsor | CT | Transportation Equipment Manufacturing336412 | — | ◐ 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 | — | ▲ REPORTED CLOSED |
| BBBridgeport Boatworks, INC. | Bridgeport | CT | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| CGChromalloy Gas Turbine LLC | Windsor | CT | Transportation Equipment Manufacturing336412 | — | ▲ REPORTED CLOSED |
| CCtang1-yucn | Groton | CT | Transportation Equipment Manufacturing336411 | 20-99 | ◐ LIKELY ACTIVE |
| DADRT Aerospace- Winsted | Winsted | CT | Transportation Equipment Manufacturing336412 | 20-99 | ◐ LIKELY ACTIVE |
| EAEnjet Aero New Britain | New Britain | CT | Transportation Equipment Manufacturing336412 | 20-99 | ◐ LIKELY ACTIVE |
| EAEnjet Aero Newington | Newington | CT | Transportation Equipment Manufacturing336412 | 20-99 | ◐ LIKELY ACTIVE |
EthosEnergy Accessories and Components - 64 Prospect | East Windsor | CT | Transportation Equipment Manufacturing336412 | 20-99 | ◐ LIKELY ACTIVE |
EthosEnergy Accessories and Components - 66 Prospect | East Windsor | CT | Transportation Equipment Manufacturing336412 | 20-99 | ◐ LIKELY ACTIVE |
| FFabrication | Seymour | CT | Transportation Equipment Manufacturing336390 | 1-19 | ◐ LIKELY ACTIVE |
| FFairfield | Fairfield | CT | Transportation Equipment Manufacturing336212 | 20-99 | ◐ LIKELY ACTIVE |
| FSFlight Support, INC. | North Haven | CT | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| FCFluid Connectors New Britain | New Britain | CT | Fabricated Metal Product Manufacturing332911 | 100-499 | ◐ LIKELY ACTIVE |
| GAGKN Aerospace Engine Systems, Newington | Newington | CT | Transportation Equipment Manufacturing336412 | 100-499 | ◐ LIKELY ACTIVE |
| GHGoat Holdco, LLC | Bristol | CT | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| HAHanwha Aerospace USA - Cheshire | Cheshire | CT | Transportation Equipment Manufacturing336412 | 100-499 | ◐ LIKELY ACTIVE |
| HAHanwha Aerospace USA - East Windsor | East Windsor | CT | Transportation Equipment Manufacturing336412 | 20-99 | ◐ LIKELY ACTIVE |
| HAHanwha Aerospace USA - Newington | Newington | CT | Transportation Equipment Manufacturing336412 | 100-499 | ◐ LIKELY ACTIVE |
| HLHarco LLC | Branford | CT | Transportation Equipment Manufacturing336412 | 100-499 | ◐ LIKELY ACTIVE |
| HHHartford Hub | South Windsor | CT | Transportation Equipment Manufacturing336212 | 20-99 | ◐ LIKELY ACTIVE |
| HYHinckley Yacht Services | Stamford | CT | Transportation Equipment Manufacturing336612 | 1-19 | ◐ LIKELY ACTIVE |
| ILIMIA, LLC Groton | Groton | CT | Transportation Equipment Manufacturing336611 | 20-99 | ◐ LIKELY ACTIVE |
| JVJacobs Vehicle Systems | Bloomfield, CT | CT | Transportation Equipment Manufacturing336390 | 100-499 | ◐ LIKELY ACTIVE |
| JIJames Ippolito & CO. of Connecticut, INC. | Bridgeport | CT | Transportation Equipment Manufacturing336413 | — | ◐ LIKELY ACTIVE |
| JLJ & L Machine CO. INC. | Manchester | CT | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| JLJonal Labs Logistics, LLC | Meriden | CT | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |
| KAKaman Aerospace Corporation | Bloomfield | CT | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |
| KRKawasaki Rail Car Inc - New Haven | New Haven | CT | Transportation Equipment Manufacturing336510 | 20-99 | ◐ LIKELY ACTIVE |
| KIKtw INC | Milford | CT | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |