Established in 1881, TC Industries, Inc. is a family owned company that is comprised of Commercial Heat Treating Services and ... Cutting Edge/Wear Parts Manufacturing. With our headquarters in Crystal Lake, IL, TC Industries, Inc. has grown to become the industry leader in the markets we serve. Our Commercial Heat Treating Services in Crystal Lake, IL provides quench & tempering, annealing, normalizing, stress relieving and related processing of bars, plates and forgings made from carbon, alloy and stainless steel. We are the supplier of choice for steel mills, service centers, cold finishers, OEMs and forgers. Our Cutting Edge/Wear Part Manufacturing, with locations in the United States, Canada and England, is the leader in serving the construction and mining sectors where cutting edges, bucket edges, wear parts and ground engaging tools are essential. We are proud of our long-term, world-class partnerships with leading OEMs throughout the world. read more