Pioneer Theatre Company was created in 1962.
Pioneer Instrument Company was created in 1919.
Live Theatre Company was created in 1973.
PACE Theatre Company was created in 1988.
Acacia Theatre Company was created in 1980.
Eureka Theatre Company was created in 1972.
Patch Theatre Company was created in 1972.
The Practical Theatre Company was created in 1979.
Roundabout Theatre Company was created in 1965.
Penumbra Theatre Company was created in 1976.
Propeller - theatre company - was created in 1997.
Graeae Theatre Company was created in 1980.
Douglas Theatre Company was created in 1952.