North American Industry Classification System (NAICS) 1997
- 61 - Educational Services
- 611 - Educational Services
- 6111 - Elementary and Secondary Schools
- 61111 - Elementary and Secondary Schools
- 611110 - Elementary and Secondary Schools
- 6112 - Community Colleges and C.E.G.E.P.s
- 61121 - Community Colleges and C.E.G.E.P.s
- 611210 - Community Colleges and C.E.G.E.P.s
- 6113 - Universities
- 61131 - Universities
- 611310 - Universities
- 6114 - Business Schools and Computer and Management Training
- 61141 - Business and Secretarial Schools
- 611410 - Business and Secretarial Schools
- 61142 - Computer Training
- 611420 - Computer Training
- 61143 - Professional and Management Development Training
- 611430 - Professional and Management Development Training
- 6115 - Technical and Trade Schools
- 61151 - Technical and Trade Schools
- 611510 - Technical and Trade Schools
- 6116 - Other Schools and Instruction
- 61161 - Fine Arts Schools
- 611610 - Fine Arts Schools
- 61162 - Athletic Instruction
- 611620 - Athletic Instruction
- 61163 - Language Schools
- 611630 - Language Schools
- 61169 - All Other Schools and Instruction
- 611690 - All Other Schools and Instruction
- 6117 - Educational Support Services
- 61171 - Educational Support Services
- 611710 - Educational Support Services
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