Variant of NAICS 1997 - Goods and services
- 41-91 - Services
- 54 - Professional, Scientific and Technical Services
- 541 - Professional, Scientific and Technical Services
- 5416 - Management, Scientific and Technical Consulting Services
- 54161 - Management Consulting Services
- 541611 - Administrative Management and General Management Consulting Services
- 541612 - Human Resource and Executive Search Consulting Services
- 541619 - Other Management Consulting Services
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