Best Aerospace CNC Shops in Connecticut
Connecticut hosts one of the most concentrated aerospace manufacturing ecosystems in the world relative to its size, anchored by Pratt & Whitney's jet engine headquarters in East Hartford, Sikorsky's helicopter production in Stratford, and Electric Boat's submarine programs in Groton. Connecticut AS9100-certified CNC shops have been shaped by these world-class aerospace primes into some of the most precision-capable and quality-disciplined machining facilities anywhere. If your program requires jet engine hot-section components, helicopter structural hardware, or defense sub-system precision machining, Connecticut shops bring unmatched supply chain credentials.
Why these suppliers?
- ✓Pratt & Whitney's East Hartford jet engine headquarters anchors one of the world's most demanding aerospace machining supply chains — Connecticut AS9100 shops serving P&W have been hardened by some of the tightest tolerances and most rigorous quality audits in commercial aviation.
- ✓Sikorsky's helicopter programs at Stratford demand rotor system precision, and Connecticut CNC shops have decades of experience machining the titanium, aluminum, and composite interfaces required for rotorcraft structural components.
- ✓Connecticut's small-state geography concentrates premium machining talent; shops here have immediate access to heat treating, precision grinding, NDT, and Nadcap-accredited special process vendors — enabling fast-turn complete part solutions.
43 verified suppliers found
9100 (9001:2015) certified. Certification body: Amtivo (USA), Inc.. Structure: Single Site.
9100 (9001:2015) certified. Certification body: Amtivo (USA), Inc.. Structure: Single Site.
9100 (9001:2015) certified. Certification body: Perry Johnson Registrars, Inc.. Structure: Single Site.
Precision CNC machining and engineering for aerospace and defense. AS9100 certified, Nadcap accredited.
9100 (9001:2015) certified. Certification body: TUV Rheinland of North America, Inc.. Structure: Single Site.
9100 (9001:2015) certified. Certification body: Amtivo (USA), Inc.. Structure: Single Site.
9100 (9001:2015) certified. Certification body: BSI Group America Inc. Structure: Campus.
9100 (9001:2015) certified. Certification body: BSI Group America Inc. Structure: Campus.
CNC grinding and precision machining. ID/OD grinding, surface grinding, and jig grinding. AS9100 certified.
9100 (9001:2015) certified. Certification body: National Quality Assurance, USA. Structure: Single Site.
9100 (9001:2015) certified. Certification body: Perry Johnson Registrars, Inc.. Structure: Single Site.
9100 (9001:2015) certified. Certification body: TUV Rheinland of North America, Inc.. Structure: Single Site.
9100 (9001:2015) certified. Certification body: Amtivo (USA), Inc.. Structure: Single Site.
9100 (9001:2015) certified. Certification body: National Quality Assurance, USA. Structure: Single Site.
9100 (9001:2015) certified. Certification body: Amtivo (USA), Inc.. Structure: Single Site.
Established in 1955, SSI specializes in tight-tolerance precision complex CNC machining of exotic materials such as Hastelloy, Inconel, Stelite, Nitronic 50, Titanium and Aluminum. As a custom manufacturer, SSI maintains the most advanced equipment and technologies to perform conventional and CNC turning, conventional and CNC milling, wire EDM, grinding, polishing and finishing and assemblies.
Precision CNC machining of turbine engine parts. Nadcap certified for heat treating and chemical processing. AS9100D.
9100 (9001:2015) certified. Certification body: TUV SUD America Inc.. Structure: Single Site.
9100 (9001:2015) certified. Certification body: TUV SUD America Inc.. Structure: Multi-Site.

