Roy Thomas Graydon

Call-Net Enterprises, Inc. was an e-communications company which provided data, e-business and voice services for businesses and consumers primarily through Sprint Canada, Inc. Rogers Communications, Inc. acquired Call-Net Communication and on July 7, 2005, Sprint Canada, Inc. officially became Rogers Telecom, Inc. and Call-Net Enterprises, Inc. became Rogers Telecom Holdings, Inc. Headquartered in Toronto, Canada, Call-Net owned and operated an extensive national network with operations in the United States and the United Kingdom

The Ontario Teachers' Pension Plan Board (OTPPB) is the Province of Ontario’s pension fund manager headquartered in Toronto, Canada. Founded in 1990, OTPPB administers a defined benefit pension plan to active and retired teachers in Ontario. The firm manages investment portfolio for the benefit of present and future plan members and their survivors. OTPPB is a signatory to the UN Principles for Responsible Investment (UNPRI).

The Group's principal activity is to provide a variety of communication services, including broadband high speed Internet access services over both telephone company digital subscriber line (DSL) and cable company platforms, dial-up Internet access, as well as long distance and local telephone services. It currently provides customers with value-driven alternatives to the services provided by the large incumbent telephone and cable companies ('incumbent carriers'). It operates under one segments Internet Access (Internet) that provides Internet services to residential and commercial customers.

Patheon, Inc. provides drug development and manufacturing services to global pharmaceutical, biotechnology and specialty pharmaceutical companies. It operates through two segments: Commercial Manufacturing Outsourcing and Pharmaceutical Development Services. The Commercial Manufacturing Outsourcing segment manufactures prescription products in sterile dosage forms as well as solid and liquid conventional dosage forms. The Pharmaceutical Development Services segment provides a broad range of development services, including solid and sterile dosage forms. The company operates through four market segments: Biologics, Emerging Pharma, Generics and Large Pharma. Patheon was founded in 1974 and is headquartered in Mississauga, Canada.

Optimal Geomatics, Inc. provides location-based asset management and engineering solutions. It provides geomatic services and software for storage, management, retrieval, manipulation and distribution of spatial or geographically referenced data to electric powerline, and gas pipeline utilities. The company was founded in 1983 and is headquartered in Mississauga, Canada.

Aeroquest International Ltd. provides airborne geophysical technologies and services. It offers data acquisition, processing, and interpretation services. The firm also provides irborne geophysics surveys through Aeroquest Airborne; aerial geomatics surveys through Aeroquest Mapcon; and the custom design and construction of geophysical sensors and instruments through Geophex. The company was founded on September 21, 2001 and is headquartered in Mississauga, Canada.