Black Women Lawyers Association of Greater Chicago
- Feature support and networking opportunities for African-American women in the legal profession, and offers a newsletter, events calendar, surveys, and roundtable discussion groups.
- http://www.bwla.org/

The Millinery Arts Alliance
- Organization that supports women's hat designers, and organizes special events at which hats can be worn. Contains profiles of the milliners and details of special events.
- http://chicagohats.com/

North Shore Professional Women's Assoc.
- The NSPWA is a networking event for entrepreneurial women seeking to make new contacts, build their client base and improve their businesses through advice and guest speakers, seminars, and workshops.
- http://www.nspwa.net/

Chicago Southland Chamber of Commerce
- Represents and promotes the best interests of the regional business community and its members by working to improve the economic climate, business environment and community image of the Chicago Southland region.
- http://www.chicagosouthland.com

Chicago Area Clean Cities
- A voluntary organization dedicated to expanding the use of clean, alternative fuels and technologies in the Chicago metropolitan area.
- http://www.chicagocleancities.org

KM Chicago
- Forum focused on Knowledge Management in the Chicagoland area with monthly meetings.
- http://kmchicago.blogspot.com/

Asian American Bar Association (AABA) of the Greater Chicago Area
- Offers professional networking and support for Asian-American lawyers throughout the area through events, publications, and resources.
- http://www.aabachicago.com/

American Rental Association (ARA), Chicagoland Chapter
- Provides support, networking and information services to rental companies, vendors and the public. Features member benefits and directory listing, programs and services.
- http://www.arachicagoland.org/

Chicago Women in Publishing (CWIP)
- Offers support and networking for publishing professionals through a range of programs, events, freelance directory, member benefits, and contacts.
- http://www.cwip.org/

Chicagoland Express Network, American Business Women's Association (ABWA)
- A streamlined membership option that offers leadership training, networking possibilities, support, and enduring friendships, to area businesswomen.
- http://www.abwa-chicago.org/

IFMA - Chicago Chapter
- Facilities management association featuring news, support and networking for its members.
- http://www.ifma-chicago.org/

Society for Technical Communication, Chicago Chapter
- Focused on technical writing, illustrating, indexing and editing professionals in the greater metro area; features include workshops, meetings and seminars, education programs, newsletters, and job bank.
- http://www.stc-chicago.org/

Chicago Suburban Antiques Dealers Association
- Membership and antique show listing.
- http://www.csada.com

CCASTD
- Chicagoland Chapter of the American Society for Training and Development offers an meetings, education programs, publications, guestbook, training resources and bookstore.
- http://www.ccastd.org/

American Medical Writers Association (AMWA), Greater Chicago Area Chapter
- GCAC serves the medical writers and biomedical communicators of the greater Chicago area. Includes information on programs, workshops and networking resources.
- http://www.gcac-amwa.org/