W. P. Keith Company, Inc.

Keith Company is an American industrial furnace manufacturer founded in 1954 by Wendell Keith Sr. The company designs and builds custom high‑temperature furnaces, kilns, ovens, lehrs, thermal oxidizers for VOC abatement, and integrated automation and data management systems. Keith Company is a pioneer in the development and commercialization of unique process heating technologies, including low‑mass furnaces and kilns that radically reduce firing times and energy costs, continuous furnaces with increased throughput, and high‑temperature furnaces up to 1800°C. The company serves the oil, aircraft and space, advanced materials, bio‑ceramics, glass, ceramic membrane, electronics, specialty metals, and advanced mineral industries. Keith furnaces meet pyrometric requirements of AMS 2750H, NADCAP AS7102, MILSPEC H6088, BAC 5621, Rolls Royce RPS 953 and DPS 1.700, and are built to NFPA 86 specifications. The company is classified under NAICS 333994.