Below is a list of Theatre Bay Area member companies (updated monthly):

100 Shades of Green
142 Throckmorton Theatre
3 For All
3 Girls Theatre
42nd Street Moon
AaaahZ Youth Theatre
Academy of Art University School of Acting
Acro Sports/City Circus
Actors Ensemble of Berkeley
African-American Shakespeare
ALICE: Arts & Literacy in Children's Education
All Terrain Theater
Altarena Playhouse
AlterTheater Ensemble
American Conservatory Theater
American Theater Company
Anniversary Productions
Artists Development Lab
Aurora Theatre Company
AXIS Dance Company
B Street Theatre
Badjojo Improv
Bay Area Children's Theatre
Berkeley Repertory Theatre
Bigger Than a Breadbox Theatre Co.
Bindlestiff Studio
BobbySue Productions
Bobrow Productions
Boxcar Theatre
Breach Once More Theatre
Broadway by the Bay
Broadway West Theatre Company
Brookside Repertory Theatre
Bus Barn Stage Company
Butterfield 8
Cabrillo Stage
Cal State East Bay Theatre
California Shakespeare Theater
CAPS Productions
Carolina Lugo’s & Carolé Acuña’s Brisas de España
CatchyName Theatre Company
Center REPertory Company
Central Works
Chanticleers Theatre
Children's Musical Theater of San Jose
Cinnabar Arts Corporation
City College of San Francisco Theatre Arts Dept.
City Lights Theater Company of San Jose
Coastal Repertory Theatre
College of Marin Theatre Arts
Conservatory Theatre Ensemble
Contra Costa Civic Theatre
Contra Costa Musical Theatre
CounterPulse
Coupla' Crackpot Crones
Crowded Fire
CSU Monterey Bay World Theater
Cultural Odyssey
Curtain Theatre
Custom Made Theatre Co.
Cutting Ball Theater
Dancers' Group
Deborah Slater Dance Theater
Delphi Theatre Company
Diablo Theatre Company
Dominican Players
Douglas Morrisson Theatre
Dragon Productions Theatre Company
East Bay Children's Theatre
EnActe Arts
Epiphany Productions Sonic Dance Theater
Essential Action Productions
Exit Theatre
Festival Theatre Ensemble
Foothill College Theatre Arts Dept./Foothill Music
Footloose Presents
Fox Theatre
Goat Hall Productions
Half Moon Bay Shakespeare Company
Handful Players
Her Rebel Highness
Hillbarn Theatre
IBP: Institute for Brain Potential/Musical Theatre
Illuminated Theater, The
Impact Theatre
Incentives to Intrigue
Independent Eye
Indra's Net Theater
Intersection for the Arts/Campo Santo
Jessica Ferris Performance
Jewel Theatre Company
Jewish Community Center of San Francisco
Julia Morgan Center for the Arts / Berkeley Playho
Just Theater
Kaiser Permanente Educational Theatre Programs
Killing My Lobster
Lamplighters Music Theatre
Las Positas College
Leela
Left Coast Theatre
Lively Foundation
Livermore Shakespeare Festival/Shakespeare's Assoc
Livermore Valley Performing Arts Center
Los Gatos High School
Lucky Penny Productions
Lyric Theatre
Made Up Theatre
Magic Theatre
Marin Actors Workshop
Marin Shakespeare Company
Marin Theatre Company
Marines Memorial Theatre
Mark Foehringer Dance Project/SF
Masquers Playhouse
Mendocino Theatre Company
Mountain Play Association
Mugwumpin
Musical Theatre Works
Napa Valley College/Napa Valley Conservatory Theater
New Conservatory Theatre Center
Northside Theatre Company
Not Quite Opera Productions
Not Your Grammy's Theater
Novato Theater Company
ODC Theater
Off Broadway West Theatre Company
Old First Concerts
OMG, I Love That Show! Productions
Open Tab Productions
Opera Frontier Theater
Pacific Coast Repertory Theatre
Pacific Repertory Theatre
Pacific Union College
Pacifica Spindrift Players
Palo Alto Players
Paul Dresher Ensemble
Peninsula Ballet Theatre
Peninsula Youth Theatre
Performing Arts Academy of Marin
Phoenix Arts Association Theater
Pied Piper Players
Pinole Community Players
Play Cafe
PlayGround
Playwrights'  Center of San Francisco
Pocket Opera
Pollinator
Porchlight Theatre Company
Post-Playa Productions
Producers Assoc./Woodminster Amphitheatre
PUS/975 Howard The Garage
Pythia
Quixotic Players
Rabbit Hole SF
Ragged Wing Ensemble
Raven Players
Ray of Light Theatre
Red Barn Productions
Renegade Theatre Experiment
RIPE Theatre
Riveting Theater
Robbie Wayne Productions
Role Players Ensemble Theatre
Ross Valley Players
San Carlos Children's Theater
San Francisco Magic Parlor
San Francisco Mime Troupe
San Francisco Playhouse
San Francisco Recovery Theatre
San Francisco Shakespeare Festival
San Francisco State University
San Francisco Theater Pub
San Jose Repertory Theatre
San Leandro Players
Sandy Brown Live / Sandcharm
Santa Clara Players
Santa Rosa Junior College Theatre Arts Department
SF Sketchfest
ShadowLight Productions
Shady Shakespeare Theatre Company
Shotgun Players
Sierra Repertory Theatre
Silver Moon Theatre
Smith Center @ Ohlone College
Sonoma Stage Works
Sonoma State University
South Bay Musical Theatre
Southern Railroad Company
Spare Stage                                     
Spreckels Performing Arts Center
Stage Werx Theatre
Stanford Summer Theatre
Stapleton Theatre Company
StarStruck Theatre
Starting Arts
Steve Silver Productions
Subterranean Shakespeare
Sweet Can Productions
Symmetry Theatre Company
Tabard Theatre Company
Tango & More Argentine Dance
The Aluminous Collective
The Dancing Curtain
The Imaginists Theatre Collective
The Marsh
The Mojo Theatre
The Piedmont Players
Theater Residencies, Incorporated
Theater Toda
Theatre of the Sacred Soul
Theatre of Yugen
Theatre Platypus
Theatre Q
Theatre Rhinoceros
TheatreFirst
TheatreWorks
Thrillpeddlers' Hypnodrome
Tides Theatre
Town Hall Theatre Company
Transcendence Theatre Company
Trash Mash-Up
Triple Shot Productions
Tutti Frutti Commedia Co.
UC Davis Department of Theatre & Dance
Un-Scripted Theater Company
Vagabond Players
Vallejo Shakespeare in the Park
Vanguardian Productions
Virago Theatre Company
Waterfront Playhouse & Conservatory
We Players
West Edge Opera
Western Stage
Wilde Irish Productions
Young People's Teen Musical Theatre
Youth Musical Theater Company
Z Space Studio/Word for Word


(List current as of last update: March 11, 2013)