- Calian Communications Systems Ltd.
 - ExpressVu
- Provides digital-to-home video and audio entertainment programming.
- International Datacasting Corporation
- Specialising in the design and manufacture of satellite digital audio and data broadcast technology.
- Intersat
- Industrial engineering company which develops and provides remote wireless communication products and services for mobile field crews and unmanned fixed sites.
- SED Systems Inc.
- Canadian company that designs and manufactures satellite ground systems as well as other specialised electronic equipment.
- Shaw Broadcast Services (2)
- Telesat Canada
- A description of Telesat, Canada's National Satellite Carrier and a world leader in satellite communications.
- Trylon-TSF
- Designs, engineers, fabricates and installs towers for the telecommunication and broadcast industries.
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