Gateway Door & Contracting is a veteran-owned, family-run garage door company based in St. Charles, Missouri. Serving St. Charles, St. Louis, Lincoln, and Warren counties, the company provides residential and commercial services with a focus on honest, high-quality work, clear communication, and respectful customer care. Its licensed and insured technicians handle repairs, installations, and maintenance for homes and businesses.

Residential services include garage door, spring, and opener repairs; new door and opener installations; and routine maintenance. Commercial offerings include garage door repair and installation, maintenance, and roll-up doors, with solutions suited to different business needs. Gateway also carries garage door and opener products from brands including Raynor, doorLink, Wayne Dalton, and C.H.I. Overhead Doors, along with entry and patio doors from ProVia. Its featured products include powder-coated DuraMaster torsion springs designed for durability and corrosion resistance. The company provides free estimates for new doors and openers and emphasizes dependable service without unnecessary upselling.