Certification
ASME U-stamp fabricators
Required to build coded pressure vessels. Non-negotiable when it applies.
3 shops state they hold ASME U-stamp in Illinois. 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.
By state
Structural Steel Fabrication • Central IllinoisDecatur, Illinois
“Kelly holds R, U, S and PP stamps— we can work on your boilers, pressure vessels and pressure piping projects.”https://thekelly-group.com/metal-fabrication/
Also: ASME S-stamp · National Board R-stamp
ASME Pressure Vessel - Custom ASME Tank Fabrication - CB MillsGurnee, Illinois
“Our Quality Assurance program is in accordance with our ASME quality control manual for all of our work, code and non-code alike.”https://cbmills.com/custom-steel-fabrication
260 ton press brake
ASME Pressure Vessels - Mason ManufacturingDecatur, Illinois
“Mason Manufacturing maintains an independently audited Quality Control system and is authorized to use both "U" and "R" stamps for custom fabrication and repair under ASME Section VIII, division 1.”https://www.masonmfg.com
Also: National Board R-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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