Thompson Creek Window Company

Thompson Creek Window Company is a privately owned, family operated manufacturer and installer of energy-efficient home improvement replacement products. Founded in 1980, the Company has evolved into one of the leading specialty home improvement manufacturing and contracting companies in the nation. We provide top-quality replacement windows and doors, vinyl siding, roofing and a clog-free gutter system. Thompson Creek Window Company is headquartered in Lanham, MD, and manufacturers our products in Upper Marlboro, MD, employing more than 400 people in Washington D.C., Maryland and Virginia.