GAF Share: Roofing Manufacturers GAF Visit Website 1 Campus Drive Parsippany, NJ 07054 (877) 423-7663 LinkedIn About Map About GAF is North America's Largest Roofing and Waterproofing Manufacturer. GAF is a Subsidiary of Standard Industries: The World's Largest Roofing & Waterproofing Manufacturer. What's Nearby? Distance: 5 10 15 20 25 50 mi.
