Theatre Communications Group
A national service organization that serves over 400 member theaters and 17,000 individual members. Their site features American Theatre Magazine, the ArtSEARCH employment bulletin, available plays and theatre reference books, information about grantmaking programs, workshops and conferences and the US Center of the International Theatre Institute.

Alliance of Resident Theaters, New York
The service organization for the nation's largest, most artistically influential, and most culturally diverse theater community: Off Broadway. Search for current productions off-Broadway, internships, grantmaking opportunities and a guide to performance and rehearsal space.

League of Resident Theatres
The national service organization for resident non-profit theaters.

American Theater Web
Offers listings of theaters by US region, as well as reviews, news and chat rooms.

Theater Mania
Search for listings of theater productions across the US, with information on venues and the latest theater news.

National Performance Network
Connects performing artists with progressive presenters, arts organizations and communities across the United States.

The Field
A non-profit organization and grassroots network committed to providing independent performing artists and companies with programs and services essential for artistic growth and career development.

GoTour
A great resource for touring artists, GoTour allows artists to form collaborative connections and share resources throughout the US. GoTour is a service provided by The Field, a New York-based organization helping independent artists create new work and manage their careers.