A
- 1812 Productions (Philadelphia, Pennsylvania)
- The 52nd Street Project (New York)
- 7 Stages (Atlanta, Georgia)
- About Face Theatre (Chicago, Illinois)
- Academy Theatre (Avondale Estates, Georgia)
- ACT Theatre (Seattle, Washington)
- The Acting Company (New York)
- Actor's Express (Atlanta, Georgia)
- Actors' Guild Of Lexington (Lexington. Kentucky)
- Actors Theatre of Louisville (Louisville. Kentucky)
- Actor's Theatre of Charlotte (Charlotte, North Carolina)
- Actors Theatre of Phoenix (Phoenix, Arizona)
- The Actors' Gang (Culver City, California)
- Adirondack Theatre Festival (Glens Falls, New York)
- The African Continuum Theatre Company (Washington, D.C.)
- Alabama Shakespeare Festival (Montgomery, Alabama)
- Alley Theatre (Houston, Texas)
- Alliance Theatre Company (Atlanta, Georgia)
- Amas Musical Theatre, Inc (New York)
- American Conservatory Theater (San Francisco, California)
- American Folklore Theatre (Fish Creek, Wisconsin)
- American Players Theatre (Spring Green, Wisconsin)
- American Repertory Theater (Cambridge, Massachusetts)
- American Shakespeare Center (Staunton, Virginia)
- American Stage (St Petersburg, Florida)
- American Theater Company (Chicago, Illinois)
- American Theatre Company (Tulsa, Oklahoma)
- Arden Theatre Company (Philadelphia, Pennsylvania)
- Arena Stage (Washington, D.C.)
- Arizona Theatre Company (Tucson, Arizona)
- The Arkansas Arts Center Children's Theatre (Little Rock, Arkansas)
- Arkansas Repertory Theatre (Little Rock, Arkansas)
- Artists Repertory Theatre (Portland, Oregon)
- Arts Center of Coastal Carolina (Hilton Head, South Carolina)
- Arvada Center for the Arts and Humanities (Arvada, Colorado)
- Asolo Theatre Company (Sarasota, Florida)
- Atlanta Shakespeare Company at the Shakespeare Tavern (Atlanta, Georgia)
- Atlantic Theater Company (New York)
- Aurora Theatre Company (Berkeley, California)
Read more about this topic: List Of Theatre Communications Group Member Theatres