Critical Systems, Inc. (CSI) is thrilled to announce the official launch of the Lightning Series (LS) Weld Head—the first and only orbital welding equipment capable of welding copper using patented technology. For the first time in the industry, welders, engineers, and fabrication specialists have access to a solution that delivers clean, strong, and consistent copper welds with unmatched ease and safety. And now, you can see it in action.

Our local UA 296 recently had a SWJATC Apprentice Competition that featured brazing and welding. We were lucky enough to attend!

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

Critical Systems would like to highlight another of our community partners, UA Local 393, San Jose, CA. We would also like to wish the...

CSI was invited to the 2025 Pipe Trades Conference in Dallas in February of this year to showcase our patented copper orbital welding!

If you ask most people the question “what’s Firewatch” you will most likely be told that it’s a beautifully crafted adventure video game...