Principle Business Activity Codes: List of IRS Business ...
Fishing, hunting and trapping. 114110 Fishing ... Support activities for forestry Mining. 211110 Oil and gas extraction. 212110 Coal mining. 212200 Metal ore mining. 212310 Stone mining and quarrying. 212320 Sand, gravel, clay, etc. mining and quarrying. 212390 Other nonmetallic mineral mining and quarrying. 213110 Support ...
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