Roofing Contractors in Shafter, CA GMC Roofing & Building Paper6400 S Zerker RdShafter, CA, 932636613994324ContractorsGuttersRoofersRoofing ContractorsRoofing Equipment SuppliesRoofing Supplies GMC Roofing529 N Shafter AveShafter, CA, 932636617463936ContractorsGuttersRoofersRoofing ContractorsRoofing Equipment SuppliesRoofing Supplies Show More