ConstructionWebLinks.com - http://www.constructionweblinks.com/
3,000 sites categorized by 4 broad topics: organizations, industry topics, resources, and prior issues. Includes sites for building codes and industry standards, licensing information, research resources at colleges.
Contractors Database - http://www.lni.wa.gov/contractors/contractor.asp
Washington State Department of Labor & Industries web page that includes registered construction contractors and plumbers, licensed electrical contractors and certified electricians. Includes court summons and complaints.
FedBizOpps Database - http://www.fedbizopps.gov/
Lists notices of proposed government procurement actions, contract awards, sales of government property, and other procurement information. Free daily list of U.S. Government procurement invitations, contract awards, subcontracting leads, sales of surplus property, and foreign business opportunities. Includes e-mail links to agency contracting officials. FedBizOpps is the new official electronic version of Commerce Business Daily.