Sevenson Environmental Services performs dialysis on Mother Earth by pumping contaminated water out, treating it, and then pumping it back into the ground. The company also cleans soil and contaminated buildings, focusing on the dirty work of hazardous waste remediation. Since working on the Love Canal cleanup in 1979, Sevenson has provided remediation services for more than 1,200 projects. It also decontaminates, demolishes, and closes facilities. Customers have included government entities such as the US Army Corps of Engineers and the Environmental Protection Agency, along with manufacturers in a variety of industries. The Elia family controls the company.