Karl's Cedar Shingles
White Cedar Shingles has beautiful Northern White Cedar shingles, fancy shingles, and pre-stained with Cabot and Sikkens stains. We have cedar paneling and other white cedar lumber. SIKKENS DEALER
http://www.whitecedarshingles.com/

Zappone Copper and Aluminum Roofing Shingles
Zappone Manufacturing, located in Washington,, specializes in copper roofing shingles, metal roofing supplier, copper roofing manufacturer, architectural roofing installed and much more.
http://www.zappone.com

Shakertown Cedar Shingles and Panels
Shakertown manufactures premium cedar shingles and panels.
http://www.shakertown.com/

Metal Roofing - Steel Shingles
METALWORKS® Steel Shingles by TAMKO® create the classic beauty of slate, wood, and tile with the contemporary protection of metal.
http://www.metalworksroof.com/

Z-Stop
Z-Stop roof moss /algae prevention for roofing materials. Save on costly roof repair and remodel by applying our zinc strip to composition or wood shingles. Ideal for do-it-yourselfer and professional roofers.
http://www.z-stop.com

Elk Corporation
Elk is a building materials manufacturer of roofing, composite wood decking, composite fencing and decorative railings.
http://www.elkcorp.com/

Pabco Roofing Products
Description
http://www.pabcoroofing.com/

High Desert Trading
The American Vendor of Cedar Shakes and Shingles. We provide top Quality cedar shingles, shakes, decking and fencing material for your building needs.
http://www.highdeserttrading.com/

IKO Industries Ltd.
IKO Setting the Standard
http://www.iko.com/

BV Enterprise
CAD method to arrange and apply roof shingles to enhance the beauty of roofs
http://www.sosele.com/co/bventerprise/