Vehicles, aircraft and parts manufacturers in Connecticut
Connecticut has 146 vehicles, aircraft and parts establishments employing 46,823 people (Census, 2023), and EPA's ECHO database lists 117 active vehicles, aircraft and parts facilities in the state. By employment it is Connecticut's largest manufacturing industry, and Connecticut ranks number 15 among states for it.
- NAICS subsector
- 336
- Transportation Equipment Manufacturing
- Establishments
- 146
- Census 2023
- Employees
- 46,823
- Census 2023
- In EPA records
- 117
- With a page here
- 7
- Revised
- November 11, 2026
Vehicles, aircraft and parts factories with a page
| Facility | What it makes (NAICS) | City |
|---|---|---|
| Barnes Aerospace | Aircraft Engine and Engine Parts Manufacturing | Windsor |
| Electric Boat Company | Ship Building and Repairing | Groton |
| Hamilton Sundstrand Corporation | Other Aircraft Parts and Auxiliary Equipment Manufacturing | Windsor Locks |
| Pratt & Whitney | Aircraft Engine and Engine Parts Manufacturing | Middletown |
| Pratt & Whitney, Division of Rtx Corp | Aircraft Engine and Engine Parts Manufacturing | East Hartford |
| Sikorsky Aircraft Bridgeport I Facility | Aircraft Manufacturing | Bridgeport |
| Sikorsky Aircraft Headquarters | Aircraft Manufacturing | Stratford |
These are the Connecticut vehicles, aircraft and parts facilities that report to EPA's Toxics Release Inventory. The other 110 in EPA records don't have a page yet.
What these factories make
- Aircraft Engine and Engine Parts Manufacturing (NAICS 336412): 3 facilities
- Other Aircraft Parts and Auxiliary Equipment Manufacturing (NAICS 336413): 2 facilities
- Aircraft Manufacturing (NAICS 336411): 2 facilities
- Ship Building and Repairing (NAICS 336611): 1 facility
Where they cluster
Cities with the most active vehicles, aircraft and parts facilities in EPA records: Bloomfield (10), Bridgeport (10), Manchester (9), East Hartford (6), Windsor (4).
Vehicles, aircraft and parts manufacturing across the US. Everything made in Connecticut.