Certification

ASME U-stamp fabricators

Required to build coded pressure vessels. Non-negotiable when it applies.

5 shops state they hold ASME U-stamp in OK. Each entry below shows the sentence we read it from, on the shop's own website — we don't record a certification we can't quote. Confirm current status with the shop or the certifying body before you award work.

Hi-Tec Industries OK LLCBroken Arrow, OK

“Our shop is able to meet welding procedures requiring the ASME 'U' stamp.”http://www.hitec-ok.com/

Also: ISO 9001 · AWS D1.1100 ton press brake

Matrix Service Inc - Fabrication DivisionCatoosa, OK

“ASME U Stamp – division I pressure vessels + equipment”https://www.matrixservice.com/services/fabrication/

Also: ASME S-stamp · API

International Custom ControlsTulsa, OK

“We are certified to design and build equipment with ASME U, S, and R stamps”http://www.intlcustomcontrols.com/about

Also: ISO 9001 · ASME S-stamp · National Board R-stamp · AWS D1.1

D&N FabricationSapulpa, OK

“ASME Code R, U, & S Stamp”http://dnfabrication.com/services

Also: ASME S-stamp · National Board R-stamp

Boardman Inc.Oklahoma City, OK

“Boardman holds ASME Section VIII Div. I and Div. II certifications for pressure vessel fabrication.”http://www.boardmaninc.com/?utm_source=googlemybusiness&utm_medium=organic&utm_campaign=gmb

Also: ASME S-stamp

Need this work done?

Tell us what you need made and we'll put it in front of shops that hold the right certification — and welders qualified to the same code, if the job needs people on site as well as parts.

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