The Guild for writers of Film and Television.  If you're a WGAw member you probably already have this site bookmarked. And even if you aren't, you can still enjoy interviews and writing tips.

The HORROR WRITERS ASSOCIATION (HWA) is a worldwide organization of writers and publishing professionals dedicated to promoting the interests of writers of Horror and Dark Fantasy.

Sponsors of the Bram Stoker Award.

Mystery Writers of America, Inc., is the premier organization for mystery writers and other professionals in the mystery field.  MWA watches developments in legislation and tax law, sponsors symposia & conferences, presents the Edgar Awards, and provides info for mystery writers.

One of the most effective non-profit writers' organizations in existence. Over 1200 sf and fantasy writers, artists, editors, and allied professionals are members. 

Presents the Nebula^® Awards.

provides its members with the wonderful opportunity to share experiences with other writers, to gain insights into publishing, as well as the art and craft of writing, and to meet industry professionals. Together, we are a strong and determined voice; a voice for romance with the media, and a voice for writers to the publishing industry

is the only professional organization dedicated to serving the people who write, illustrate, or share a vital interest in children’s literature. Whether you are a professional writer, a famous illustrator, a beginner with a good idea, or somewhere in-between, SCBWI is here to serve you.

Ain't much there, pardner... but they promise more to come!

The nation's leading organization of independent nonfiction writers, ASJA offers extensive benefits and services focusing on professional development, including regular confidential market information, meetings with editors and others in the field, an exclusive referral service, seminars and workshops, discount services and, above all, the opportunity for members to explore professional issues and concerns with their peers.