Founded in 1965, Petersen Aluminum Corp. fabricates a range of metal roofing accessories. The company maintains roll forming equipment in its plants. Based in Annapolis Junction, Md., it offers metal roofing products as well as wall/soffit systems and column covers. In addition, Petersen Aluminum Corp. provides flush panels, exposed fasteners, composite wall panels and snow guards. The company is also a distributor of Follansbee TCS II. In addition, it offers assistance material selection, finish specification and budgeting.