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Contractor Resources
Blue Book of Building and Construction
Described as the "construction industry's most frequently used information source." Search by region, keyword
or company name, then narrow by county. The database includes hundreds of companies, including general contractors,
sub-contractors, architects, engineers, manufacturers, equipment, material, and product suppliers.
Underwriters Laboratories (UL)
A provider of product safety certification and quality system registration services (ISO 9000, QS-9000, and ISO 14000). The
UL Mark "means that samples of a product bearing the Mark have been tested to nationally recognized
safety standards and found to be reasonably free from the risk of fire, electric shock and related hazards."
Find information about ULC, ULC Marks, Standards, Certification, Testing, ISO, ULC Services and consumer safety
tips.
Contractor's License Reference Site
An easy-to-use site for either contractors or homeowners. Using an image of the U.S., click on the state
you want and find out if a contractor is licensed in that state or what the licensing requirements are for
contractors. Information includes links to state licensing agencies, contact information and much more.
Top 200 Contractors
Contract award information for prime contracts in excess of $25,000 for the largest contractors to the U.S.
Government. Contractors are ranked by variables including total dollar-volume of contract awards, awards from
defense and major civilian agencies, and certain categories of products and services.