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/

Ooms Avenhorn Holding bv
Ooms Avenhorn Holding; werkzaamheden zoals de aanleg van (ondergrondse) infrastructuur, het ontwikkelen en produceren van polymeergemodificeerde bitumen en de bouw van woningen en kantorencomplexen zijn dagelijkse activiteiten, nationaal en internationaal.
http://www.ooms.nl/

Iivela
La IIVELA S.R.L. di BOLOGNA produce: Membrane liquide, guaine liquide, membrane bituminose, guaine bituminose, guaine impermeabilizzanti, prodotti chimici per edilizia, sistemi isolanti, prodotti isolanti per coperture, membrane impermeabilizzanti, riparazione di coperture, impermeabilizzazioni guaine prefabbricate, conglomerato bituminoso a freddo, impermeabilizzazioni coperture, impermeabilizzazione strutture metalliche, impermeabilizzazione malta, coibentazione coperture.
http://www.iivela.it/

Gulf Membrane & Coating Industries WLL
Gulf Membrane & Coatings produce the finest waterproofing products such as bitumen Membranes, Coatings & Paints for all your roofing needs
http://www.gmcibahrain.com

BITEC, Bitumen Technology
Manufactors of modified bituminous roofing and waterproofing membranes, marketed in the U.S., Canada and the Caribbean.
http://www.bi-tec.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/