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For the first time ever, Critical Systems has developed orbital fusion welding for copper! Red Metal Welding represents a major leap forward in orbital welding technology. From hospitals to HVAC, data centers and plumbing applications, this proprietary process delivers next level precision and reliability.

Critical Systems Inc. is proud to announce our participation in the 2025 United Association’s Instructor Training Program in Ann Arbor, Michigan!   We’re excited to showcase our Red Metal Orbital Welding (Copper Welding) process  on Tuesday, August 12th , where attendees can get a firsthand look at the precision and innovation behind the first ever copper orbital welding process.   You can also find us at the Vendor Exhibition on Saturday, August 9th , where our team will be

Culture is more than a set of values at Critical Systems Inc., it’s the way we work, grow, and connect every day. At CSI we believe in having core values, collaborating, investing in the people here, and have fun traditions that bring us together.

The Arizona Orbital Welding shop is a recent addition to the CSI family. Come see who's there and what they can do!