Founded in 1945, Advance Electrical Supply Company is a full-line electrical and communications distributor and services the contractor, industrial and commercial markets. The company distributes variable frequency drives, motor and machine controls, automation products, circuit protection systems, control transformers and power supplies, lighting products, switchgear, fittings and boxes, wiring devices, tools and testers, and wire and cable products. In addition, Advance Electrical is an authorized distributor for Square D, Hammond Manufacturing, Edwards Signaling & Security Systems, ABB, Acme Electric Corporation, Sola/Hevi-Duty, Panduit and Littlefuse Powr-Gard products. Advance Electrical Supply is headquartered in Chicago and operates retail outlets in Chicago, Mundelein and Mokena, Ill.