YSM for Building  
   Roofing membranes, roof and wall coatings, thermal insulation, and dome building systems. Product descriptions. Israel.
   http://www.ysmforbuilding.com/

Emco Building Products  
   Roofing, insulation, ceiling panels, and related products, for residential and commercial applications. Product showcase, technical data, specifications, and budget estimator.
   http://www.emcobp.com/

GAF Materials Corporation  
   Commercial and residential roofing materials. Company contacts, product technical information.
   http://www.gaf.com/

Johns Manville  
   Insulation and roofing products for buildings and equipment. Guide to appropriate insulation products, by application.
   http://www.jm.com/

Iivela  
   Bituminous membrane and insulation products. Catalogue, installation details. Italy.
   http://www.iivela.it/

Firestone Building Products  
   Roofing, insulation and related products. Technical information, architectural details, maintenance handbook, and contractor listing.
   http://www.firestonebpco.com/

CertainTeed Corporation  
   Construction materials, including insulation, roofing, ventilation, siding, windows, foundations, fence, decking and railing, garden, and ceilings. Interactive tools, distributor and contractor locators, detailed product catalogs, consumer and technical
   http://www.certainteed.com/

Republic Powdered Metals  
   Producer of specialty coatings used to protect industrial, commercial and institutional buildings.
   http://rpmrepublic.com/

Euroform Products Limited  
   Fabricate cement-bonded particle boards, and distribute insulation and cladding systems. Features product specifications and applications.
   http://www.euroform.co.uk/

EABASSOC  
   Waterproofing and building materials including waterproofing membranes, lightweight foamed concrete, fire protection, joint sealants, anti-corrosion and insulation coatings. Company and product information; UK based.
   http://www.eabassoc.co.uk/

Ruberoid  
   Membrane roofing, waterproofing, and associated products. Product and company descriptions.
   http://www.ruberoid.co.uk/

Ludlow Coated Products  
   Housewrap, air barriers, sheathing and roof underlayment. Technical descriptions, installation guidelines.
   http://www.simplex-products.com/

Owens Corning  
   Insulation, roofing, siding, and acoustic materials. Includes resources and project guides for homeowners.
   http://www.owenscorning.com/

Alumasc Exterior Building Products Ltd.  
   Supply flat roofing, drainage and waterproofing membranes. Products include architectural rainwater systems, engineered drainage systems and façade systems.
   http://www.alumasc-exterior-building-products.co.uk/

CB Wholesale, Inc.  
   Wholesale distributor of roofing, drywall, and masonry products serving western Washington state.
   http://www.cbwholesale.com/

Henry Company  
   Offers roof coatings, cements, roofing systems, driveway maintenance products, and sealants. Technical information for construction professionals and guidance for do-it-yourselfers.
   http://www.henry.com/

Sealant, Waterproofing, and Restoration Institute (SWRI)  
   Promotes the sealant, waterproofing and restoration industry through education, communication, and interaction among its members.
   http://www.swrionline.org/

Cico Group  
   Manufacturer of construction chemicals, waterproofing compounds, waterproofers, concrete additives, plasticisers, grouts, water sealers, and epoxy industrial floorings .
   http://www.cicogroup.com/

Jay Ammon Architect, Inc.  
   Consulting firm that specializes in the design and construction administration of all types of roofing and waterproofing projects. Features an overview of the professional services, past projects, and contact information.
   http://www.jayammon.com/

Advanced Environmental Recycling Technologies, Inc.  
   Develops and manufactures moisture resistant composite building materials made from waste plastic and wood fiber waste for applications in building and construction industries. (Nasdaq: AERTA).
   http://www.choicedek.com/