Maryland Paper Company is a family-owned building materials manufacturing company, headquartered in Williamsport, Maryland, with subsidiaries in Shafter, CA (California Paper Products LLC) and Tuscaloosa, AL (Alabama Paper Products LLC). Our products include, low density organic roofing felt paper, polyisocyanurate, and sheeted materials, using 100% recycled cellulose fibers. Our four paper machines produce over 300,000 tons of paper annually – enough to circle the globe nearly twenty-five times. Additionally, we consume over 330,000 tons of waste paper annually that is diverted from landfills, contributing to a cleaner environment.