- BBM Bureau of Measurement
 - Nonprofit, broadcast research company which produces ratings information about TV, radio, and interactive media audiences. - Hollett & Sons Inc.
- Offers research services in the areas of competition analysis, state of the market review, information retrieval and strategic planning.
- Newspaper Audience Databank Inc. (NADbank)
- Research arm of the Canadian newspaper industry, is a resource for Canadian demographics and statistics.
- SRDS
- Provider of media and marketing info.
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