ORGANIZATION	9 Months Ended
Sep. 30, 2011
ORGANIZATION	1. ORGANIZATION WESCO International, Inc. and its subsidiaries (collectively, “WESCO”), headquartered in Pittsburgh, Pennsylvania, is a full-line distributor of electrical, industrial and communications maintenance, repair and operating (“MRO”) and original equipment manufacturers (“OEM”) products, construction materials, and advanced supply chain management and logistics services used primarily in the industrial, construction, utility and commercial, institutional and government markets. We serve over 100,000 customers globally, through approximately 400 full service branches and seven distribution centers located primarily in the United States and Canada, with additional locations in Mexico, United Kingdom, Singapore, China, Australia and the United Arab Emirates and a commercial presence in six other countries.

ORGANIZATION

9 Months Ended

Sep. 30, 2011

1. ORGANIZATION

WESCO International, Inc. and its subsidiaries (collectively, “WESCO”), headquartered in Pittsburgh, Pennsylvania, is a full-line distributor of electrical, industrial and communications maintenance, repair and operating (“MRO”) and original equipment manufacturers (“OEM”) products, construction materials, and advanced supply chain management and logistics services used primarily in the industrial, construction, utility and commercial, institutional and government markets. We serve over 100,000 customers globally, through approximately 400 full service branches and seven distribution centers located primarily in the United States and Canada, with additional locations in Mexico, United Kingdom, Singapore, China, Australia and the United Arab Emirates and a commercial presence in six other countries.