| Angel City Improv: Quality professional interactive improvisational theater and instruction to folks of all ages in the Twin Cities area of Minnesota. |
| Improv Etc.: Introductory workshops to advanced classes in New York. Information on teachers and the process. |
| ImprovWorks: A nonprofit theater arts organization. Information on performances, classes, and workshops. San Francisco. |
| Joya Cory Workshops: Beyond comedy improv, this training activates full emotional and physical range to create tmmediate theatre of authenticity and substance. |
| Paul Sills' Wisconsin Theater Game Center: Teaches theater improv based on the work of Viola Spolin. Located in Door County Wisconsin. |
| Spolin Center, The: Dedicated to promoting Viola Spolin. News, articles, links and audios. |
| Staircase, The: Improv explanations and details about structure. Information about performances, workshops, and bookings. |
Classical
