A-1 Machining Company

A-1 Machining Company

235 John Downey Drive , New Britain 06051, CT

(860) 223-6420
General info
We stay focused on our competency of turning and milling of aerospace turbine parts and aero-derivative and ground/marine turbines — particularly large parts up to 150” in diameter, as well as smaller diameter parts.

We support our competency with a strong hands-on engineering staff who handle the range of engineering requirements from programming, tooling, 1st piece, and process improvement. A-1 is especially experienced in machining components in the hot section of the turbine and work with the very specialized materials used there. We machine exotic aerospace materials in sizes from 20” in diameter to very large retaining rings and fan cases.

We utilize the many outstanding aerospace suppliers in central Connecticut for supporting processes such as Heat-Treat, NDT, EDM, etc. as required by our customers. This keeps A-1 focused and very competitive at our own competency of turning and milling.

A-1 brings many years of experience to machining, with a staff of 55 many with over 20 years with A-1. A-1 has over 800 years of aerospace machining experience among its talented and hard-working associates.


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Location Building


185 Main Street
Suite 423
New Britain, CT 06051




Monday - Friday
9:00am - 4:00pm