Solar Atmospheres is one of the world's largest providers of commercial vacuum heat treating services. Solar's thermal processing produces bright, scale-free parts with minimal distortion. Solar serves over 18 industries including aerospace, defense, medical, munitions and power gen. Our services include vacuum heat treating, brazing, carburizing, and nitriding. Solar has over 60 furnaces ranging from lab-sized to 48 feet long with a 150,000 lb. workload capacity. Solar operates plants in Eastern and Western Pennsylvania, California, and South Carolina. FFL, Nadcap, ISO 9001:2015, AS91 (less)