National Writers Union (Nat'l Office)
www.nwu.org
113 University Pl. 6th Fl.
New York, NY 10003
Voice: (212) 254-0279      
Fax:  (212) 254-0673      
email: nwu@nwu.org

Association of Proposal Management Professionals
www.apmp.org/home.html

American Society of Indexers
11250 Roger Bacon Drive, Suite 8
Reston, VA 20190-5202
(703) 234-4147
Fax: (703) 435-4390
www.asindexing.org

American Medical Writers Association
Northern California Chapter
www.amwancal.org
Pacific Southwest Chapter
www.amwa-pacsw.org

Council of Science Editors
c/o Drohan Management Group
11250 Roger Bacon Drive, Suite 8
Reston, VA 20190-5202
(703) 437-4377
Fax: (703) 435-4390
www.councilscienceeditors.org

Freelance Editorial Association
P.O. Box 380835
Cambridge, MA 02238-0835
www.tiac.net/users/freelanc/index.html

HTML Writers Guild
110 E. Wilshire Avenue, Suite G-10
Fullerton, CA 92832
(714) 526-4963
Fax: (714) 526-4972
www.hwg.org

International Association of Business Communicators
One Hallidie Plaza, Suite 600
San Francisco, CA 94102
(800) 776-4222
www.iabc.com

National Association of Science Writers
P.O. Box 294
Greenlawn, NY 11740
(631) 757-5664
Fax: (631) 757-0069
www.nasw.org

Society for Technical Communication, Inc.
901 N. Stuart Street, Suite 904
Arlington, VA 22203-1822
(703) 522-4114
Fax: (703) 522-2075
www.stc-va.org