GTI Fabrication

GTI Fabrication is a leading U.S.-based contract manufacturer specializing in complex steel enclosures and fully integrated systems for Energy Storage (BESS), Power Generation, Modular LNG, Data Centers, Defense, and Offshore markets. Founded in 2015 in Buffalo, NY, GTI has rapidly expanded with advanced manufacturing facilities in Buffalo, Phoenix, and Monterrey, offering over 1,000,000 sq. ft. of combined production space. Our capabilities span structural steel fabrication, precision welding, powder coating, mechanical and electrical integration, battery integration, and end-of-line testing—all under one roof. We are an ISO 9001:2015 certified manufacturer and one of the only LRQA and ABS-approved ISO shipping container factories in the U.S., ensuring full TAA/BAA compliance for government and defense contracts. At GTI, we believe in long-term partnerships over vendor relationships. Our engineering, manufacturing, and supply chain teams work side-by-side with customers to bring complex products from prototype to mass production—on time, on budget, and at scale. Key Capabilities ✔ U.S. and Mexico-based Manufacturing ✔ BESS Enclosure Fabrication & Integration ✔ ISO Container Customization & Certification (CSC, ABS, LRQA) ✔ Power Gen Packaging & Modular Data Centers ✔ Busbar, Wire Harness, and Battery Module Assembly ✔ Robotic Welding & Automation ✔ Full-Service Engineering & Prototyping ✔ High Volume Manufacturing