OS Construction and Companies is a premier roofer and construction service provider with over 75 years of combined experience. We offer a wide range of commercial and residential services including composition shingles, concrete/clay tile, slate tile, standing seam metal roofs, balcony/porch waterproofing, window waterproofing, and custom sheet metal. Our team is dedicated to providing consultation services to help property managers and top builders launch their projects on time and under budget. With our hands-on ownership and executive senior estimating staff, we ensure fair takeoff and tackle potential roof problems before construction begins. For new construction, we utilize a state-of-the-art plan digitizing program to accurately assist clients with their projects.