At Critical Systems Inc., shop lead Xavier plays a hands-on role in keeping the team focused and the shop running efficiently. From planning workflows to troubleshooting complex repairs, his management is key to keeping the Arizona shop ahead of schedule. come take a closer look behind the scenes!

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,...

One critical weld parameter we emphasize at CSI is bead overlap—the portion of the weld that covers the previous pass during the automated orbital welding process. We uphold rigorous standards when it comes to precision orbital welding. In the world of Ultra High Purity (UHP) gas systems, where contamination control and structural integrity are non-negotiable, weld quality directly impacts system performance, safety, and cleanliness.

At Critical Systems, Inc. (CSI), precision, reliability, and repeatability are the foundation of every electrical harness and cable...

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.