Dominion Electric Supply Co., based in Arlington, Va., has opened a location in Manassas, Va. At 13,000 square feet, the branch supplies commercial and residential electrical contractors, property managers and maintenance, data communications firms and local businesses. Currently, the location has approximately $600,000 of stock materials.

Established in 1940, Dominion Electric Supply Co. now ranks No. 39 on Electrical Wholesaling's Top 200 with $139 million in sales in 2004. Dominion Electric has eight locations in the metro area of Washington, D.C.