Updated Nov 2026
📍 9201 Roanoke Ct, North Royalton, OH, 44133
📞 440-237-0570
🌐 middlestatesoil.com
Middle States Oil Co is a metal heat treating company located in North Royalton, Ohio. They specialize in heat treating services and offer products related to heating and metal. Local businesses in need of heat treating solutions can consider this company for their operational requirements.
📍 5909 W 130th St, Cleveland, OH, 44130
📞 216-362-1880
📍 8000 Marble Ave, Cleveland, OH, 44105
📞 216-242-1149
📍 4500 Lee Rd Ste B, Cleveland, OH, 44128
📞 216-587-4700
📍 3714 E 93rd St, Cleveland, OH, 44105
📞 216-883-1926
📍 8702 Bessemer Ave, Cleveland, OH, 44127
📞 216-658-3586
📍 8640 Bessemer Ave, Cleveland, OH, 44127
📞 216-341-2266
📍 941 Addison Rd, CLEVELAND, OH, 44103
📞 216-391-0886
🌐 generalmetalheat.com
General Metal Heat Treating, Inc. is a small independently operated Cleveland based company that has been meeting the heat treating requirements of the aerospace industry and other companies with demanding needs. We've been in business since 1942. We are approved for the heat treating specifications of most major aircraft companies, their suppliers, as well as the Department of Defense and NASA. Contact General Metal at (877) 391-0886.
📍 6229 Grafton Rd, VALLEY CITY, OH, 44280
📞 330-483-4650