Cram, A PAX Services Company, is a full-service commercial and governmental roofing contractor offering the best in roofing solutions. Since 1986, the company has successfully installed millions of square feet of single ply, bituminous, metal and other roofing systems. The company has performed work all over the country at multiple military installations and for building owners and facility managers. We also have a very strong presence in the general construction market due to our reputation for high quality and consistently meeting or beating project schedules.