Established in 1919, Crescent Electric Supply Company is one of the largest distributors of electrical hardware and supplies in the United States. Located in East Dubuque, Ill., the company offers a complete range of products, including conduit, datacom, devices and plates, electrical and wiring boxes, power distribution and lightning components. It provides items made by different vendors, such as 3M Electro Products, GE Controls, Juno Lightning Inc, Corner Products Company, Klein Tools and Lutron Electronics. Crescent Electric Supply Company serves a large number of clients from construction, health care, government, industrial, energy and hospitality industries, among others. The company is also an ISO 9001/2008 certified firm.