DUCOMMUN AEROSTRUCTURES NEW YORK, INC.

Custom Roll Forming

This includes establishments primarily engaged in custom roll forming metal products by use of rotary motion of rolls with various contours to bend or shape the products.

Special Die and Tool, Die Set, Jig, and Fixture Manufacturing

This includes establishments, known as tool and die shops, primarily engaged in manufacturing special tools and fixtures, such as cutting dies and jigs.

Machine Tool Manufacturing

This includes establishments primarily engaged in (1) manufacturing metal cutting machine tools (except handtools) and/or (2) manufacturing metal forming machine tools (except handtools), such as punching, sheering, bending, forming, pressing, forging and die-casting machines.

Illustrative Examples:

Bending and forming machines, metalworking, manufacturing
Buffing and polishing machines, metalworking, manufacturing
Drilling machines, metalworking, manufacturing
Grinding machines, metalworking, manufacturing
Home workshop metal cutting machine tools (except handtools, welding equipment) manufacturing
Metalworking lathes manufacturing
Milling machines, metalworking, manufacturing
Stamping machines, metalworking, manufacturing

Aircraft Manufacturing

This includes establishments primarily engaged in one or more of the following: (1) manufacturing or assembling complete aircraft; (2) developing and making aircraft prototypes; (3) aircraft conversion (i.e., major modifications to systems); and (4) complete aircraft overhaul and rebuilding (i.e., periodic restoration of aircraft to original design specifications).

Aircraft Engine and Engine Parts Manufacturing

This includes establishments primarily engaged in one or more of the following: (1) manufacturing aircraft engines and engine parts; (2) developing and making prototypes of aircraft engines and engine parts; (3) aircraft propulsion system conversion (i.e., major modifications to systems); and (4) aircraft propulsion systems overhaul and rebuilding (i.e., periodic restoration of aircraft propulsion system to original design specifications).

Other Aircraft Parts and Auxiliary Equipment Manufacturing

This includes establishments primarily engaged in (1) manufacturing aircraft parts or auxiliary equipment (except engines and aircraft fluid power subassemblies) and/or (2) developing and making prototypes of aircraft parts and auxiliary equipment. Auxiliary equipment includes such items as crop dusting apparatus, armament racks, inflight refueling equipment, and external fuel tanks.