Dedicated to providing high-quality home improvement services, TWIN-CO, Inc. offers full-range residential remodeling solutions in Alton, Godfrey, IL and the surrounding areas. We are a locally-owned contracting company providing bathroom and kitchen design and remodeling services, replacement windows and doors, decks, maintenance-free exterior applications, and a variety of other additional home services. With nearly 40 years of knowledge and experience in the business, we guarantee first-rate workmanship in the projects we complete. ASK US FOR REFERENCES!