Army, Navy and Air Force

Defense Contractor

Adapting to changing times, General Manufacturing Company has evolved from supporting Pittsburgh’s original industries to supporting the United States of America as a Federal Contractor to the Department of Defense. The Army, Navy and Air Force have been provided with our high quality precision products including replacement parts, kits, subassemblies and artillery mechanisms. We pride ourselves on sending quality products to the men and women of the Armed Forces, and that our efforts help support the Warfighter’s daily efforts on our behalf.

General Manufacturing Company was nominated and awarded “National Prime Contractor of the Year 1990” by the United States Defense Department based on quality, expedited delivery and overall engineering efforts provided.

Milling Capabilities

At GMC, we utilize both vertical and horizontal milling machines. With each type of machine having it’s own special use.

Turning Capabilities

Using the technology of our multi axis lathes, we are not only able to do simple two axis turning, but have milling capabilities.

Laser Marking

GMC specializes in marking anodized aluminum, stainless steel, steel, titanium, gold, silver, nickel.

Inspection Capabilities

 To ensure that the products we are manufacturing are meeting the highest standards possible.

Specializing in production runs of over 500 parts, our staff displays a passion for their work, which includes CNC muli-axis turning, CNC mill fabricating, assemblies and testing. Our emphasis on quality also includes our vendors, who provide various processes such as Heat Treating, CARC Painting and Plating, Anodize, Phosphate, Chrome and Zinc. We provide products from small machined replacement parts to complete field-ready subassemblies.

ISO 9001:2015 Registered

Registered through SRI Quality System Registrar. Our quality system is designed around DOD’s MIL-I-45208.

      About Us

      Located in Pittsburgh Pennsylvania, General Manufacturing is a three-generation family owned and operated precision machining facility established in 1958 as a coal mine and steel mill repair and supply company.

      ISO 9001:2008 certified and ITAR:M29377 registered, General Manufacturing Company specializes in value-added manufacturing services with a focus on quality.


      3249 Industrial Boulevard
      Bethel Park, PA 15102