Variant of NAICS 1997 - Labour Force Survey (LFS) Industries
- 2131 - Support Activities for Mining and Oil and Gas Extraction
- 21311 - Support Activities for Mining and Oil and Gas Extraction
- 213111 - Oil and Gas Contract Drilling
- 213117 - Contract Drilling (except Oil and Gas)
- 213118 - Services to Oil and Gas Extraction
- 213119 - Other Support Activities for Mining
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