Quality Control


Thompson Metal Fab’s operations are conducted under an ISO 9001: 2008 Quality System. We are able to develop and implement project specific programs geared to satisfy a customer’s special requirements. Traditionally, we operate in accordance with the following:

  • AISC – TMF is certified for the fabrication fo Complex Steel Buildings (Cbd) and Major Steel Bridges (Cbr). We are also have the Fracture Critical Endorsement (F) and Sophisticated Paint Endorsement (P1)
  • ASME/National Board of Boiler & Pressure Vessels – Thompson Metal Fab holds a "U" stamp for the manufacture of ASME Section VIII Division 1 pressure vessels and an “R” stamp through the National Board of Boiler & Pressure Vessel Inspectors for the repair and/or alteration of pressure vessels.
  • Chinese Manufacture License – This is for the construction of special equipment (pressure vessels) exported to The People’s Republic of China.
  • Korean Manufacture License - This is for Pressure Vessels exported to Korea.
  • API – TMF holds the API 4F‐0087 monogram to design and manufacture steel derricks, portable masts, crown block assemblies, and substructures suitable for drilling and servicing oil wells.
  • NQA‐1

TMF offers a full range of pre‐qualified procedures to work with the following materials:

  • Carbon Steel
  • AR Plate
  • Weathering Steel
  • Stainless Steel
  • Titanium
  • Aluminum
  • Copper & Brass
  • Low Temperature Steels
  • Modern Alloys

Our pre‐qualified weld processes include:

  • SMAW (Stick Weld)
  • SAW (Sub‐Arc)
  • GMAW (Mig Weld)
  • GTAW (Tig Weld)
  • FCAW (Flux Core)