Class Acts Arts
- A non-profit arts outreach organization bringing educational and culturally diverse arts experiences to schools and communities in DC, Maryland and Virginia.
- http://www.classactsarts.org/

Your 3 Hosts
- Provides news on nightlife events.
- http://www.y3h.org/

Mason Rhynes Productions
- Supports emerging and established artists and arts organizations by providing events and performance opportunities. Services, events and supporters.
- http://www.mason-rhynes.org/

Washington Post Entertainment Guide
- A daily guide to local entertainment. Free registration required.
- http://www.washingtonpost.com/wp-dyn/content/artsandliving/entertainmentguide/?nav=left

Poseurs.com
- Information on local nightlife, especially bars and alternative music. Includes calendar of events, directory of venues and discussion forum.
- http://www.poseurs.com

Art-Care
- Brings together professional conservators and clients with art objects needing conservation. Includes conservator listings and related services.
- http://www.art-care.com/

Art Directors Club of Metropolitan Washington
- Dedicated to advocating professionalism in the field of visual communications. Includes calendar, events, programs and membership information.
- http://www.adcmw.org/

2du Event Guide
- Guide to local entertainment offerings, with venue information.
- http://www.2du.com/events/hotevents.asp?distance=040&city=washington&state=DC

CrosstownArts
- Directory of performing, visual, and literary artists, organizations, and venues in the Washington, DC area.
- http://www.crosstownarts.com/

Allzah
- Has features on local arts.
- http://www.allzah.com/

On Tap Online
- Online monthly entertainment guide.
- http://www.ontaponline.com/

Inner Caucus Entertainment
- Produces events ranging from jazz concerts to fashion shows, catering to African-American professional men and women.
- http://www.innercaucus.com/

Woodwork Productions
- Resource guide for event planners, and an event guide for the Washington D.C. area.
- http://www.woodworkpro.com/