WESCO International, Inc. (NYSE: WCC) is a leading distributor of electrical construction products and electrical and industrial maintenance, repair and operating (MRO) supplies, and is the nation’s largest provider of integrated supply services. Headquartered in Pittsburgh, Pennsylvania, the company employs approximately 5,400 people, maintains relationships with 24,000 suppliers, and serves more than 100,000 customers worldwide. Major markets include commercial and industrial firms, contractors, governmental agencies, educational institutions, telecommunications businesses and utilities. WESCO operates five fully automated distribution centers and over 350 full-service branches in North America and selected international markets, providing a local presence for area customers and a global network to serve multi-location businesses and multi-national corporations.