Founded in 1908, Hahn & Clay stands as one of America’s most versatile and capable metal fabrication and machining facilities, delivering more than a century of engineering excellence, precision craftsmanship, and industry‑leading reliability. Our unmatched combination of skilled personnel, advanced manufacturing technology, and expansive capacity positions us as a premier provider of both shop‑ and field‑based fabrication, repair, and maintenance services for mission‑critical equipment. 

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From ASME‑code pressure vessels, shell‑and‑tube heat exchangers, and multi‑layer reactor systems to marine bottles, process skids, and complex rotating equipment, Hahn & Clay fabricates, machines, and repairs equipment built to perform in the most demanding industrial, petrochemical, subsea, and marine environments. With expertise across virtually all metallurgies—including carbon steel, chrome‑moly, stainless steels, nickel alloys, Inconel, Monel, and specialty alloys—we deliver fully custom engineered solutions tailored to the unique specifications of each project.

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Strategically located in the heart of the Gulf Coast industrial region, Hahn & Clay operates more than 250,000 sq. ft. of covered manufacturing space and offers one of the largest capacity profiles in the industry, handling components up to 35'‑6" in diameter, 200' in length, and 800,000 lbs. Whether fabricating new equipment, performing field machining and welding, conducting turnaround support, or executing emergency repairs, our teams deliver fast, dependable, and code‑compliant results—both in our facility and on‑site at customer locations. 

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Safety Statement:

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We at Hahn & Clay are committed to providing our employees, customers, contractors, and guests with a safe work environment. We strive to be a "World Class" organization by continuing to practice safety 24/7. We believe that all incidents are preventable.