4specs.com Focuses on construction product manufacturers.
Ceramic-Tile.com International directory of ceramic tile companies.
Cmldir.com Database of manufacturers of equipment and supplies for the construction, building, mining, and quarrying industries worldwide.
ConSource.com Directory for information on construction equipment and supplies.
DesignsPlus.com Searchable listings of house plans, contractors and building materials.
DoctorTile.com Sales, installation, design, repair, maintenance, and cleaning of ceramic tile, glass, and marble.
Door & Window Industry information on products and services for consumers and contractors.
Door-doors Directory of door manufacturers and suppliers.
Glasslinks Resource page for the auto and flat glass industry.
PreservationWeb Directory and webguide to the products and specialized services needed to complete any historic preservation or restoration project.
Specifications Online Index and resource for construction products and specifications. Includes discussion forums, employment ads, and commercial links.
The Tile Doctor Offers information on tile-related products, installations, advice, and step-by-step instructions.
ToolBase Services Housing industry's resource for technical information on building products, materials, new technologies, business management, and housing systems.
WinDoorWeb Provide the industry in general with a site of their own, specialized in and for all the kitchen design and manufacturing industry participants.