Frank Roth Co./G.Cotter Enterprises partnership has extensive experience in the fabrication and welding of stainless steels, carbon steel and nickel-based alloys. The majority of this experience has been applied in aerospace, military, nuclear, and separation equipment fabrications.

Diverse in-house manufacturing processes and expertise have been used to build these fabrications including CNC machining, forming, TIG, MIG, laser, and spot welding. A key supplier base is used for spinning, bending and laser cut services.

Combined our quality systems are AS9100B certified and ISO 9001:2008 certified. We are NADCAP CERTIFIED for non-destructive testing.


Frank Roth Co./G.Cotter Enterprises has qualified welding procedures to NAVSEA S9074-AR-GB-01/278.
Our experienced welding department is certified for welding aluminum, stainless steels, high temperature nickel alloys and precipitation hardening corrosion resistant alloys. Welding and Non-Destructive Testing personnel are certified by examination in accordance with the required Military Specifications, the American Welding Society, the American Society of Mechanical Engineers and the American Society for Non-Destructive Testing.




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