Overhead Ooor Corporation has pioneered the upward-acting door industry, inventing the ficst upward-acting door in 1921 and electric door operator in 1926. Our brands are the most recognized and respected brands in the garage door industr y. We are an established industry leader for over 100 years in product quality and expertise, as well as professional service. Our product offering includes: residential sectional garage doors and openers. commercial sectional doors. rolling service doors. rolling fire doors. rolling counter dOOtS, upward ooiling security grilles, tornado shelter rolling doors, high speed doors, wind load sectional, rolling and high speed doors, dock levelers, dock equipment. and commercial operators. Today, we continue to be the industry reade< through the strength of our product innovation, superior craftsmanship and outstanding customer support, underscoring a legacy of expertise and inlegrity