Browse complete product systems from the top 7 shingle manufacturers in the U.S. — shingles, ridge caps, starters, underlayment, ventilation, and accessories with full compatibility matching.

Atlanta, Georgia · Est. 1982
Atlas Roofing Corporation is a privately held manufacturer with 36 facilities across North America. Known for Scotchgard Protector by 3M for algae resistance and HP42 technology for enhanced performance.

Malvern, Pennsylvania · Est. 1904
CertainTeed LLC is a subsidiary of Saint-Gobain SA (France), one of the world's largest building materials companies. The brand name comes from 'Quality Made Certain, Satisfaction Guaranteed.' Most used brand by contractors (29.5% market share).

Parsippany, New Jersey · Est. 1886
GAF is North America's largest roofing manufacturer, a subsidiary of Standard Industries. Known for the Timberline HDZ, the #1 selling shingle in North America, and the LayerLock technology.

Toronto, Ontario, Canada · Est. 1951
IKO Industries Ltd. is a privately held, family-owned company founded by Isidore Koschitzky in Calgary, Alberta. Global operations across US, Canada, and Europe with computer-controlled manufacturing for product uniformity.

Portland, Oregon · Est. 1956
Malarkey Roofing Products is a privately held American manufacturer known for sustainability (recycled rubber, smog-reducing granules) and SBS polymer-modified asphalt (NEX technology) in all shingles. Manufacturing in Portland OR and Oklahoma City OK.

Toledo, Ohio · Est. 1938
Owens Corning is a publicly traded (NYSE: OC) global building and construction materials leader. Their roofing division produces the Duration series with patented SureNail Technology and operates 17+ manufacturing facilities in the US.

Joplin, Missouri · Est. 1944
TAMKO Building Products LLC is a privately held, family-owned company founded by E.L. Craig. The name is an acronym for 'There Are Many Known Options.' Over 80 years in business, known for value pricing and quality.