The list of organizations below contain information that is helpful and informative to majors in theatre. See Drama Careers for job ideas.
- Actor's Equity
- American Alliance for Theatre and Education
- American Association of Community Theatre
- American Federation of Teachers
- American Federation of Television and Radio Artists
- American Film Institute
- American Screenwriters Association
- American Society for Theatre Research
- American Society of Group Psychotherapy and Psychodrama
- American Theatre Critics Association
- Artslynx International Arts Resources
- Association for Theatre in Higher Education
- Association of Theatrical Press Agents and Managers
- Broadcast Education Association
- Creative Drama and Theatre Education Resource Site
- Curricular Resources in Drama and Theatre
- Dramatists Play Services, Inc.
- Educational Theatre Association
- E-script
- International Association of Theatre Critics
- International Dialects of English Archive
- International Drama/Theatre and Education Association
- Internet Broadway Database
- Live Design Magazine
- London Theatre Guide
- National Association of Broadcasters
- National Association of Dramatic and Speech Arts, Inc.
- National Association of Schools of Theatre
- National Association for Drama Therapy, Inc.
- National Education Association
- National Endowment for the Arts
- New Dramatists
- North American Broadcasters Association
- Professional Theatre Resources
- Samuel French, Inc.
- Scene4Magazine
- Screen Actors Guild
- Southwest Theatre & Film Association
- Talkin Broadway
- Tams-Witmark Music Library, Inc.
- Texas Educational Theatre Association, Inc.
- Theatre Communications Group
- Theatre History on the Web
- Theatre Port
- Theatre Resources Unlimited
- Tony Awards
- U.S. Institute for Theatre Technology
- WWW Virtual Library - Theatre and Drama
- Young Playwrights, Inc.