WESCO International Inc. made a big investment in the voice-data-video (VDV) market with its recent purchase of Communications Supply Holdings Inc., the parent company of Communications Supply Corp. (CSC), from a private-equity fund.

The acquisition of Communications Supply Holdings Inc. from New York-based Harvest Partners LLC was expected at press time to close in early November, according to Pittsburgh-based WESCO.

CSC, with headquarters in Carol Stream, Ill., is a national distributor of low-voltage network infrastructure and industrial wire and cable products. CSC is listed as the 14th largest distributor on Electrical Wholesaling's 2006 Top 200 distributors. Through its network of 32 branches, CSC distributes a range of products to support advanced connectivity for voice and data communications, access control, security surveillance and building automation.

CSC had 2005 sales of $431 million and year-to-date sales as of Aug. 31 of approximately $394 million. The company is expected to produce $600 million in sales this year. CSC's sales force consists of more than 300 associates, and its marketing activities reflect a strong focus on the Fortune 1000 and large institutional customers in the United States.