North American Industry Classification System (NAICS) 1997
- 54 - Professional, Scientific and Technical Services
- 541 - Professional, Scientific and Technical Services
- 5412 - Accounting, Tax Preparation, Bookkeeping and Payroll Services
- 54121 - Accounting, Tax Preparation, Bookkeeping and Payroll Services
- 541212 - Offices of Accountants
- 541213 - Tax Preparation Services
- 541215 - Bookkeeping, Payroll and Related Services
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