Computer Professionals for Social Responsibility (CPSR), Chicago Chapter
- Local public interest alliance of computer scientists and others concerned about the impact of technology on society. Features meeting and events calendar, area resources, and links.
- http://www.cpsr.org/chapters/chicago/chicagochapter.html

Independent Computer Consultants Association (ICCA), Chicago Chapter
- Offers monthly meetings to support networking and professional development. Features meeting calendar, newsletters, discussion list, and member benefits.
- http://www.icca-chicago.org/

ISOC Chicago
- The Chicago Chapter of the Internet Society provides members with meetings, message board, resources and links.
- http://www.isoc-chicago.org/

Chicago Chinese Computing Professional Association (CCCPA)
- A non-profit organization that promotes professionalism, exchange ideas and nurture friendship among its members and other computer professionals.
- http://www.cccpa.org/

CJUG: Chicago Java Users Group
- Representing a wide variety of IT disciplines and applications. CJUG meets once a month, on the 3rd Tuesday of each month. Presentation archive, membership information, and mailing lists are featured.
- http://www.cjug.org/

Rest of Us, The
- Apple Macintosh computer user group. Features news, group information, events, newsletters, and networking for the Chicago Mac community.
- http://www.trou.org/

Chicago Access Users Group
- Special interest group for developers and users of Microsoft Access, the database software application. Includes meetings calendar, contacts, and links.
- http://www.caug.com/

ISACA Chicago - Information Systems Audit and Control Association
- Provides information for members and guests regarding programs, support and networking opportunities.
- http://www.isaca-chicago.org/

Chicago Quality Assurance Association
- CQAA promotes software quality principles and practices within area companies. Programs, events and information exchange.
- http://www.cqaa.org/

BDPA, Chicago Chapter
- Black Data Processing Associates provides professional development programs and services to position its members at the forefront of the information technology industry.
- http://www.bdpa-chicago.org/

ACM Chicago
- Local chapter of the Association for Computer Machinery; features include monthly meetings with speakers, local special interest group in artificial intelligence and contact information.
- http://www.acm.org/chapters/chicago/