North American Product Classification System (NAPCS) Canada [Provisional Version 0.1]
- 54 - Professional, scientific, and technical services
- 541083 - Marketing research and public opinion polling services
- 541083.1 - Marketing research and public opinion polling services
541083.1.3 - Statistical sampling and survey design services
Services for the design of statistical samples, survey questionnaires or survey collection procedures, sold separately from market research or public opinion services.
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