North American Product Classification System (NAPCS) Canada 2017 Version 2.0
- 642 - Research and experimental development services
- 64241 - Research and experimental developmental services in social sciences
- 642411 - Research and experimental developmental services in psychology and cognitive sciences
- 6424111 - Research and experimental developmental services in psychology and cognitive sciences
- 642412 - Research and experimental developmental services in economics and business
- 6424121 - Research and experimental developmental services in economics and business
- 642413 - Research and experimental developmental services in education
- 6424131 - Research and experimental developmental services in education
- 642414 - Research and experimental developmental services in sociology
- 6424141 - Research and experimental developmental services in sociology
- 642415 - Research and experimental developmental services in law
- 6424151 - Research and experimental developmental services in law
- 642416 - Research and experimental developmental services in political science
- 6424161 - Research and experimental developmental services in political science
- 642417 - Research and experimental developmental services in social and economic geography
- 6424171 - Research and experimental developmental services in social and economic geography
- 642418 - Research and experimental developmental services in media and communications
- 6424181 - Research and experimental developmental services in media and communications
- 642419 - Research and experimental developmental services in other social sciences
- 6424191 - Research and experimental developmental services in other social sciences
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