- Bryston Limited Company
 - Professional and consumer high-end audio equipment - Blue Circle Audio Inc.
- Designs and manufactures reference quality, handmade audio components and accessories.
- Sound Art Productions Inc
- Touring sound reinforcement company located in Winnipeg, Manitoba, Canada. Serving the professional audio and live entertainment industries, specialising in high performance, compact concert sound systems.
- Sonic Science
- Develops products for the post production industry including sound retrieval system, Sonic Search, and CD Audio and CD-ROM sound effects and production music.
- Cinema Stage
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