Aerospace manufacturers in Connecticut
Connecticut has 93 aerospace makers in EPA records, facilities that list codes for aircraft, engines, parts, missiles and space vehicles. The most are in Manchester, Bloomfield and East Hartford. That is 4% of the 2,268 such facilities nationwide, and Connecticut ranks #7 of 49 states.
- Product
- Aerospace manufacturers
- Facilities
- 93
- State rank
- #7
- NAICS
- 336411 and 5 related codes
- Revised
- November 1, 2026
Facilities in Connecticut
These are active facilities in EPA's ECHO database that list a code for aircraft, engines, parts, missiles and space vehicles. The 40 shown first are the ones with the most EPA program records, which usually means the larger sites.
| Facility | City | What EPA lists |
|---|---|---|
| Hamilton Sundstrand Corporation | Windsor Locks | Other Aircraft Parts and Auxiliary Equipment Manufacturing |
| Pratt & Whitney | Middletown | Aircraft Engine and Engine Parts Manufacturing |
| Sikorsky Aircraft Headquarters | Stratford | Aircraft Manufacturing |
| Pratt & Whitney, Division of Rtx Corp | East Hartford | Aircraft Engine and Engine Parts Manufacturing |
| Barnes Aerospace | Windsor | Aircraft Engine and Engine Parts Manufacturing |
| Sikorsky Aircraft Bridgeport I Facility | Bridgeport | Aircraft Manufacturing |
| Metals Testing Co | South Windsor | Aircraft Engine and Engine Parts Manufacturing |
| Triumph Engine Control Systems, LLC | West Hartford | Aircraft Engine and Engine Parts Manufacturing |
| Unison Engine Components | Manchester | Aircraft Engine and Engine Parts Manufacturing |
| Unison Engine Components-Manchester | Manchester | Aircraft Engine and Engine Parts Manufacturing |
| United Tool & Die Company | West Hartford | Aircraft Engine and Engine Parts Manufacturing |
| Agc Inc | Meriden | Other Aircraft Parts and Auxiliary Equipment Manufacturing |
| Connecticut Tool & Manufacturing | Plainville | Aircraft Engine and Engine Parts Manufacturing |
| Delta Industries, Inc. | East Granby | Aircraft Engine and Engine Parts Manufacturing |
| Doncasters Inc Precision Castings New England | Groton | Aircraft Engine and Engine Parts Manufacturing |
| Kaman Aerospace Corporation | Bloomfield | Aircraft Manufacturing |
| Smiths Aerospace Components | Manchester | Aircraft Engine and Engine Parts Manufacturing |
| Tect Power | Newington | Aircraft Engine and Engine Parts Manufacturing |
| Helicopter Support Inc | Trumbull | Other Aircraft Parts and Auxiliary Equipment Manufacturing |
| Windsor Airmotive | East Granby | Aircraft Engine and Engine Parts Manufacturing |
| Aero Gear, Inc | Windsor | Aircraft Engine and Engine Parts Manufacturing |
| Alloy Specialties, Incorporated | Manchester | Aircraft Engine and Engine Parts Manufacturing |
| Birken Manufacturing Company, Inc. | Bloomfield | Aircraft Engine and Engine Parts Manufacturing |
| Chromalloy Connecticut | Wallingford | Aircraft Engine and Engine Parts Manufacturing |
| Doncasters New England Airfoil | Farmington | Aircraft Engine and Engine Parts Manufacturing |
| Electro-Methods, Inc. | South Windsor | Aircraft Engine and Engine Parts Manufacturing |
| Enjet Aero Bloomfield, LLC | Bloomfield | Aircraft Engine and Engine Parts Manufacturing |
| Gkn Aerospace New England | Manchester | Aircraft Engine and Engine Parts Manufacturing |
| Gkn Aerospace Newington, LLC | Newington | Aircraft Engine and Engine Parts Manufacturing |
| Kaman Aerospace Helicopters Div | Bloomfield | Aircraft Manufacturing |
| Pcx Aerostructures, LLC | Newington | Aircraft Manufacturing |
| Tighitco Inc | Berlin | Aircraft Engine and Engine Parts Manufacturing |
| Timken Aerospace Transmissions | Manchester | Aircraft Manufacturing |
| Whitcraft | Eastford | Aircraft Engine and Engine Parts Manufacturing |
| Acmt Inc | Manchester | Other Aircraft Parts and Auxiliary Equipment Manufacturing |
| Aerocision LLC | Chester | Aircraft Engine and Engine Parts Manufacturing |
| Aerospace Techniques, Inc | Cromwell | Aircraft Engine and Engine Parts Manufacturing |
| Alliedsignal Grimes Aerospace | Plymouth | Aircraft Engine and Engine Parts Manufacturing |
| Anderson Mfg Co Inc | Woodbury | Other Aircraft Parts and Auxiliary Equipment Manufacturing |
| Ati | East Hartford | Aircraft Engine and Engine Parts Manufacturing |
Industry codes are reported by facilities to EPA programs and are not checked here. A few listings may be repair shops, distributors or recyclers. How these records work.
Where they are
- Manchester: 8
- Bloomfield: 7
- East Hartford: 6
- Newington: 6
- Windsor: 4
- East Granby: 4
By product code
- Aircraft Engine and Engine Parts Manufacturing (NAICS 336412): 29 of those shown
- Aircraft Manufacturing (NAICS 336411): 6 of those shown
- Other Aircraft Parts and Auxiliary Equipment Manufacturing (NAICS 336413): 5 of those shown
All vehicles, aircraft and parts manufacturing in Connecticut: 117 facilities and Census job counts.