Founded in 1978 under the legacy banner Horn Industrial, GrayWolf is a multi-discipline, self-performing contractor with three divisions: Industrial Construction, Structural Steel, and Modular. We deliver complex projects with safety, speed, and certainty across industrial and commercial markets. We provide single source, vertically-integrated construction services including preconstruction support, civil, sitework, fabrication, MEP, piping, equipment installation, manufacturing of complex assemblies and modular products, and more for heavy industrial and commercial markets.