COTC: Mechanical Engineering Technology

The Society and its members focus on building systems, energy efficiency, indoor air quality and sustainability within the industry.

A free resource for fluid dynamics and flow engineering.

A comprehensive subject list of web sites, vendors, and organizations. Directory is divided into very specific areas.

Popular web site for engineering professionals to exchange ideas and assistance. Online forums include specific disciplines from aeronautics engineering to structural engineering; other forums include hot topics, careers and even a section on proper language usage.

Excellent online source for engineers of all disciplines. Extensive directory, educator's resources, free tools, forum, career center, directories, and even textbook rentals.

Powerful directory-search engine-buyers guide service aimed specifically at the engineering industry.

A leading specialized vertical search, information services and e-publishing company serving the engineering, manufacturing and related scientific and technical market segments. Newletters, product listings, broad range of proprietary and aggregated Web-based content.

Offers a knowledge base with design tools, a blog, trade associations, directory of US vendors, announcements and links to web sites and newsgroups.

Comprehensive database of material properties. Searchable with over 79,000 materials listed.