Industrial Steel Construction

Industrial Steel Construction is the largest single-site steel bridge fabrication facility in the United States, located in Gary, Indiana. With over 1.6 million square feet under roof and advanced CNC and robotic technology, ISC specializes in complex bridge fabrication, coatings, and nationwide delivery. Our certified facility supports major infrastructure projects, including plate girders, arches, lift spans, and movable bridges. Trusted by DOTs, engineers, and contractors across the U.S., ISC is built for precision, scale, and long-term performance.