- Arkipelago Toronto
 - Develops object-oriented software for asset management and communication. Offers design and consulting services for the telecommunications and financial industries. - DTI Telecom Inc.
- Professional services in the areas of telecommunications and informatics.
- GlobeConsult
- Offers consulting for the design, planning, implementation, operation, administration, and management of telecommunications projects, including community-based networks using IP Telephony.
- GPNW Consulting
- Consulting covers technical, business, financial, and regulatory aspects of wireline and wireless inter-carrier operations. Specialises in mediation and settlements (interconnect) systems.
- Pacific International Cable Consulting Inc.
- Assisting, advising, and purchaser representation in the loading, laying, and repair of high capacity submarine optical systems.
- Telecom Engineering Inc
- Specialises in fibre optic system engineering for industry. Designs can include data, LAN/WAN, voice, video, control, telemetry communication over fibre optic cable for short or long distance transmissions.
- Wireless Projects International
- Specialise in project management, network deployment, site acquisition, and municipal permitting services.
- Yves R.Hamel & Associés Inc.
- Performs studies, analyses, and other consulting services for telecommunications and broadcasting networks and systems.
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