HES is SWS Environmental Services's top competitor. HES is a Private company that was founded in Indianapolis, Indiana in 1970. HES operates in the Waste Management Services industry. HES has 1,600 more employees vs. SWS Environmental Services.
Perma-Fix has been one of SWS Environmental Services's top competitors. Perma-Fix is headquartered in Atlanta, Georgia, and was founded in 1991. Perma-Fix is in the Waste Management Services field. Perma-Fix generates 1,182% the revenue of SWS Environmental Services.