Introduction of a fleet tracking system has provided expected headline benefits. But it is the intangibles that have been most valuable Crescent Electric Supply Company (CESC) was founded in 1919 and is one of the largest independent distributors of electrical hardware and supplies in the US. Based in East Dubuque, Illinois, the company has 120 distribution facilities in 27 states, serving contractors, original equipment manufacturers (OEM) and the maintenance, repair and operations (MRO) needs of commercia