Asphalt Shingle Manufacturers 

   (If you are a reputable and qualified asphalt shingle manufacturer and feel that we've overlooked your company, feel free to contact us to ask to be added to this list.)

Atlas Roofing Corporation

Building Products of Canada Corp.

CertainTeed

GAF Materials Corporation

IKO Industries

Malarkey Roofing Products

Owens Corning

PABCO Roofing Products

TAMKO Building Products, Inc.