General Info

Founded in 1973, Electrical Systems Ltd. is a panel builder in Southern California and builds custom control panels and electrical equipment. Located in Corona, Calif., the company serves a variety of industries that include contract manufacturing, green product line, PV (solar) control, food processing, water/wastewater, petrochemical refineries and pipelines, pharmaceutical, power generation / transmission / distribution, green product line and others. It offers products that include green product line, PV (solar) combiner boxes, marshaling and relay panels.