We have over 60 years experience, in diverse industries, producing long, large and heavy parts up to 64 feet in length.

  • Machining – Deep Hole Machining, CNC Turning, CNC Milling, Honing, & Polishing
  • Stress Relieve Furnace
  • Raw Material Sizing and Purchasing – Forgings, Seamless Pipe, Extrusions, Fabrications, Castings, Powdered Metal, HR and CR Bar, etc.

Grand Valley Mfg. also has an comprehensive library of qualified vendors for:

  • Welding – AWS D1.1, etc.
  • Cladding – Mig, Tig, etc.
  • Coatings – TSA, Phosphate, etc.
  • NDE Testing – PT, MP, UT, etc.
  • Plating – Chrome, Nickel, etc.