Macalla Theatre Company

Macnas Theatre and Arts Group

Magic Theatre Inc.  San Francisco

Maidment Arts Centre

Main Street Theatre and Sonoma County Repertory

Main Street Theatre Works

Malthouse Players

Malvern Theatre Company

Manhattan Theatre Club

Manitoba Theatre Centre

Marathon Community Theatre

Margolis Brown Company

Marin Shakespeare Company  Performances in the Forest Meadows Amphitheatre in San Rafael, CA.

Marin Theatre Company  Mill Valley, CA.

Marina Theatre

Marionnettes du Bout du Monde - A children's marionette theatre in Quebec, Canada. The site is in French.

Mark Taper Forum

Markus Zohner Theater Company

Marquee Theatre Company

Mason Community Players, Inc

Masque Theatre of Temple Terrace

Melbourne Theater Company

Merrimack Repertory Theatre  Lowell, MA.

Metro Playhouse

Metro Theatre Company  In Ferndale, MO.  Address is here.

Midland Players

Milwaukee Public Theatre

Minack Theatre

Miracle Theatre

Misfit Productions

Missouri Repertory Theatre  Kansas City, MO.

Mixed Blood Theater  Minneapolis, MN.

Mockingbird Public Theatre

Modern Music Theatre Troup

Moebius Theatre

Monash Players

Monroe Community Players

Montana Repertory Theatre  Department of Drama & Dance, University of Montana in Missoula, MT.

Monterey Bay Repertory Theatre

Montgomery Playhouse

Morris A. Mechanic Theatre

Morton Theatre Association

Moscow Art Theatre (English version)

Mosman Musical Society

Moving Arts  Los Angeles, CA.

Music In a Box

Musical Youth Artists Repertory Theatre (MYART)