Cylinder Services

Four Corners Welding & Supply is the premier certified cylinder service provider in the four corners region. Operating out of our Cortez facility, we have a fleet of semis to pick up and deliver cylinders from your place of business for re-certification, refurbishment, and service.


Four Corners Welding uses the latest technology available to test your cylinders. We are an approved DOT cylinder re-qualification facility. All cylinders are inspected visually by our specially trained technicians and with other methods as appropriate: Hydrostatic Testing:according to 49CFR180.205 regulations.
The mining and medical industries in the four corners depends on Four Corners Welding & Supply for their aluminum cylinder refurbishment. We take used cylinders, sand blast the glue, label, and any external rust and then process it through our refurbishment system saving companies time and money. Our complete line of testing procedures prepares the cylinder for delivery back to the client.
Four Corners Welding & Supply maintains a complete paint center to custom paint your cylinders with the highest quality paint with the colors and designations you need.
Neck-Ring Replacement: If ownership of the cylinder needs to change, Four Corners Welding & Supply can install new neck rings and add the new owner’s information. Gas Conversion: We can test and convert your cylinder Valve Replacement: We carry a full line of CGA valves which can be selected and inserted as required.