BargainBuilder- Marketplace for excess building materials Buy first quality building materials at below-wholesale prices, or list your excess inventory at no charge.

Bid Street USA- Contractors, suppliers, subcontractors, engineers, architects, and public entities, can find projects out to bid, request quotes, sell used or new equipment, and find industry information.

Bluebook of Building and Construction - Find regional classifieds and display ads.

BrickWeb- All about Brick. Ask a builder, get the latest construction news, find a contractor and source bricks from around the world.

- Directory to the construction, industrial, contractor equipment and supply industry, linking manufacturers, distributors and rental companies.

Find an Electrician- Largest searchable database of Licensed Electricians and Electrical Contractors on the internet.

OSHA- Occupational, Safety & Health Administration's Expert Advisors Workers' page enables businesses and others to receive reliable answers on how OSHA regulations apply to their unique work sites.

Spec Source- Directory of local suppliers and manufacturer reps. for commercial building products, furnishings and specialty services, serving the architectural, design and construction industry.