Welcome to Gravatt Generators - Western & Central PA Established in 1990, Gravatt Glass and Electric is a PowerPro Elite Generac® dealer located in Clarks Mills, PA. We are a husband and wife team that serves 2/3 of the state of Pennsylvania. As owners, we take pride in our work and do the installations ourselves to ensure you a pleased with your service. Licenses and Certifications: PowerPro Elite Generac® dealer Pennsylvania registration #PA031508 West Virginia Journeymans Electrician license