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Certification

ASME U-stamp fabricators

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

4 shops state they hold ASME U-stamp in NY. 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.

Boilermatic is an ASME certified shop with U, H, and S stamps in addition to R and NB National Board certifications.https://www.boilermatic.com/about-us
Also: ASME S-stamp · National Board R-stamp
Boilermatic is an ASME certified shop with U, H, and S stamps in addition to R and NB National Board certifications.https://www.boilermatic.com/about-us
Also: ASME S-stamp · National Board R-stamp
ASME Section VIII, Div. 1 U-Stamp Certificate No. 4011https://www.westmetalworks.com/
Also: National Board R-stamp
MacLean WeldingBlasdell, NY
As an approved and certified as an ASME Code manufacturer of pressure vessels, our team can deliver your project, on-spec and on time.https://macleanwelding.com/

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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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