North American Product Classification System (NAPCS) Canada [Provisional Version 0.1]
- 561 - Administrative and support services
- 561025 - Investigation and security services
- 561025.1 - Investigation and security services
- 561025.1.1 - Investigation services
- 561025.1.1.1 - Domestic and family investigation services
- 561025.1.1.2 - Legal investigation services
- 561025.1.1.3 - Insurance investigation services
- 561025.1.1.4 - Corporate investigation services
- 561025.1.1.5 - Other investigation services
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