Seneca keeps cars clean, in control, and ready to go. The company designs and installs automobile wash systems, fueling systems, and other vehicle service equipment, including lifts, lubrication equipment, and compressor systems. Seneca's data digital security camera systems and offered primarily to help secure auto dealerships. It also provides petroleum services and equipment, environmental consulting, remediation and waste removal, general construction, electrical contracting, and industrial coating equipment. Seneca Companies operates from offices in Iowa, Illinois, and Nebraska.