|Professional & Trade
by Career Field
ASME, the American Society of Mechanical Engineers -"helps the global engineering community develop solutions to real world challenges. Founded in 1880 as the American Society of Mechanical Engineers, ASME is a not-for-profit professional organization that enables collaboration, knowledge sharing and skill development across all engineering disciplines, while promoting the vital role of the engineer in society."
American Society of Heating, Refrigeration, and Air Conditioning Engineers (ASHRAE) - with a helpful Student Zone (including information on design competitions) and area for Young Engineers in ASHRAE.
SAE International - a global association of more than 128,000 engineers and related technical experts in the aerospace, automotive and commercial-vehicle industries. With a helpful Student Central section, including awards, competitions and internship links.
LinkedIn Industry Directory with thousands of organization pages, including subcategories in Mechanical Or Industrial Engineering, Automotive, Aviation and Aerospace, Civil Engineering, Defense And Space, Industrial Automation and many others (most organization pages with careers and/or jobs sections) - consider "Follow"ing organizations of interest (please note, you must have a LinkedIn account to view).