Established in 1973, Seneca Companies is a full-service provider of petroleum storage and dispensing systems and environmental consulting services. The company offers a range of automotive service equipment, including hoists, paint mixing, lubrication, exhaust and in-ground lift systems and air compressors. Seneca Companies provides oil, water and solids disposal, site remediation consulting, water blasting, vacuum excavation, and tank and pit cleaning services. The company offers Industrial, commercial and residential electrical contracting services. Seneca Companies additionally provides fluid handling, material handling, noise abatement and hydroblasting services. The company offers environmental monitoring, risk assessment and property reclamation services. Seneca Companies is headquartered in Des Moines, Iowa.