Gala Theatrical Equipment
- Rigging systems and stagelift technology for theatres, auditoriums and halls around the world. Makers of the Spiralift stage lift. St. Hubert, Quebec.
- http://www.galainfo.com/

ACR Theatrical Machinery
- Design and construction of theatrical automation equipment. Scenery and curtain automation, electric winches, light scaffolding and mobile towers. Italy.
- http://www.acr.it/

ASG Stage Products
- Stage equipment design, manufacture and installation. UK.
- http://www.asgstage.co.uk/

Major Theatre Equipment Corp.
- Manufacture, sales, design, installation, and rental of stage drapery, rigging, projection screens, and large custom window drapery.
- http://www.majortheatre.com/

Pook Diemont and Ohl, Inc.
- Design and contracting for theatres, sound stages and architectural installations. Manufactures and installs theatrical rigging systems, control systems, drapery, acoustical shells and lifts. Installs nationwide. Bronx, NY
- http://www.pdoinc.com

Stagecraft Industries
- Manufacturer and installer of stage and studio equipment since 1960.
- http://www.stagecraftindustries.com/

Theatrequip - STE Australia Pty Ltd
- Manufacturer and installer of purpose made stage machinery, curtains and curtain track for stage and studio use.
- http://www.theatrequip.com.au