Beacon Roofing Supply, Inc. is engaged in distributing residential and non-residential roofing materials in the United States and Canada. The Company also distributes other complementary building materials, including siding, windows, specialty lumber products and waterproofing systems for residential and nonresidential building exteriors. As of September 30, 2013, the Company operated 236 branches in 39 states and six Canadian provinces, carrying up to 11,000 stock keeping units (SKUs). It is a distributor of roofing materials in metropolitan markets in the Northeast, Mid-Atlantic, Midwest, Central Plains, West, South and Southwest regions of the United States and across Canada. The Company’s customer base consists of more than 47,000 contractors, home builders, building owners, and other resellers primarily in the Northeast, Mid-Atlantic, Midwest, Central Plains, West, South and Southwest regions of the United States and across Canada.