Builders FirstSource, Inc. is a publicly-traded, Fortune 500 company that manufactures and supplies building materials for the residential construction and repair and remodeling end markets. The company was founded in 1998 and is headquartered in Irving, Texas. It is the largest supplier of building products, prefabricated components and value-added services in the US. Builders FirstSource employs about 28,000 people at approximately 585 locations in 43 states. Wikipedia