Institute of Electrical and Electronics Engineers (IEEE): Main ECE related professional organization including industry knowledge, conference and career search tools as well as range of other useful information.

Association for Computing Machinery: Useful ECE related society - ACM is the world's largest educational and scientific computing society and offers access to publications, conferences and career resources (on joining).

Surface Mount Technology Association (SMTA): An international network of professionals who build skills, share practical experience and develop solutions in Electronics Manufacturing (EM), including microsystems, emerging technologies, and related business operations.