The database is updated daily. You can search the database, or browse by subject or research type. An excellent index of engineering related Internet information. Contains entries for a variety of engineering disciplines, including Civil , Environmental , Geotechnical , Structural , and Wastewater engineering. A searchable index of over 1,500,000 manufacturing firms and services.
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A searchable index of over 2,000 building product manufacturers and services. Contains a searchable list of acronyms and abbreviations. An independent bookstore in Portland, Oregon, specializing in technical books. This site allows customers to browse, search, and order books through the Web.