The Dramatists Guild of America
:
Professional association for playwrights, composers and lyricists
Actors' Equity : Labor union for actors and stage managers
International Amateur Theatre Association : "Promoting understanding and education through theatre"
IATSE : The International Alliance of Theatrical Stage Employees, Moving Picture Technicians, Artists and Allied
Crafts of the United States, Its Territories and Canada
Theatre Communications Group : Information and resources for non-profit theatre groups. Includes access to the
online version of the journal, American Theatre