United States Institute for Theatre Technology (USITT)
Association of design, production and technology professionals in the entertainment industry.
http://www.usitt.org/

Really Youthful Theatre Company
little shop of horrors props hire
http://www.reallyyouthfultheatre.co.uk/

Learning Theatre
Theatre application in the business world. Corporate video productions. Event management services
http://learningtheatre.co.za/index.htm

Electronic Theatre Controls, Inc.
Welcome to Electronic Theatre Controls, Inc. Lighting solutions for Theater, Film & Television studios and Architectural spaces
http://www.etcconnect.com/

University of Nevada, Reno
University of Nevada, Reno Speech Communications & Theatre
http://www.unr.edu/cla/spth/

General Theatrical Supply (GTS)
Sales, rental, and service of products in live theatre entertainment, location lighting, and motion picture theatre. Located in Salt Lake City, UT.
http://www.gtsmarketplace.com

Stageworks
Audio equipment and production services for theatre and musical theatre production based in Auckland, New Zealand.
http://www.stageworks.co.nz/

Chameleon Touring Systems
Lighting production services for professional theatre, live concerts, rock and roll, corporate events, film and television, and amateur and community theatre. Altman and Whitelight dealer. Australia.
http://www.chameleon-touring.com.au/

Zhongshan Jointek Digital Technology Limited
Manufacturer of LCD TV/monitor, DVD player and mini home theatre system in China.
http://www.jointek-inc.com

Theatre Effects
Supplier of aerotechnics, pyrotechnics, weather effects, lighting effects and more for theatre.
http://www.theatrefx.com/