Business Description: Thompson Creek Window Company designs, manufactures, sells, and installs stronger, safer windows built specifically for your home and our unique climate. We have been customizing and manufacturing replacement windows, doors, gutters, siding and roofing in the Mid-Atlantic region since 1980. Our products deliver time and again, improving a home’s energy efficiency and increasing home values, curb appeal and sheer comfort. Our windows and gutter systems are custom manufactured, installed and serviced from our family owned and operated factory in Upper Marlboro, Maryland – eliminating costly and inefficient middle parties. We’re so sure you’ll love our products that we back everything up with our Thompson Creek No-Hassle Warranty and Buyer Protection Guarantee. At Thompson Creek, we’re your friends and neighbors. We’re proud of our history in the Mid-Atlantic region and proud to help our communities improve the comfort and conditions of their homes.