Opera groups and educational organisations across the globe have used Theatre Music Editions reduced orchestrations, including:
- Amore Opera, New York
- Aquarian opera
- Black Cat Opera
- Boulder Opera
- Brent Opera
- California State University, Stanislaus, USA
- Crane School of Music, SUNY College at Potsdam, USA
- Escuela Superior de Canto de Madrid, Spain
- Guildford Opera, UK
- Gulfshore Opera
- Heber Opera, UK
- Lawrence Opera Theater, Kansas, USA
- Living Opera of Dallas
- Lone Star College
- Opera Gold Coast, Australia
- Opera Holloway, UK
- Operosa Foundation, Bulgaria
- Point Loma Opera Theater, San Diego, USA
- Skagit Opera
- Southwick Opera
- Wayland Baptist University, Texas, USA