BNI San Jose
http://www.bnisanjose.com/
Business Networking International (BNI) is a professional networking organization for members to share ideas, contacts and referrals. The San Jose Chapter meets every Friday downtown at the Capital Club. The organization only allows one member per profession.

Jaycees
http://www.sjjaycees.org/dnn/Home/tabid/36/Default.aspx
This is an organization for people between the ages of 21 and 39 who are interested in developing leadership skills and getting involved in the community, as well as the opportunity to meet government and business leaders. It also affords them a chance to socialize with other young people with similar interests.

PO Box 28946
San Jose, CA 95159-8946
Email: info@sjjaycees.org

This is just a sample of what you'll find in the complete San Jose guide.