Centers of Excellence

Centers of Excellence


We operate two Centers of Excellence (COEs), focused on Complex Machining, through our Air Industries Machining and Nassau Tool Works subsidiaries, and Turbine Engine, through our Sterling Engineering Corporation subsidiary. Both Centers of Excellence are certified to the latest industry specifications: AS9100:D and ISO 9001:2015.
photo of Air Industries Complex Machining Sector headquarters

Complex Machining

Air Industries Machining
Nassau Tool Works

Bay Shore, Long Island, NY

Turbine Engine

Sterling Engineering

Barkhamsted, CT