21 Mining, Quarrying, and Oil and Gas Extraction
This industry comprises establishments primarily engaged in performing support activities on a contract or fee basis for oil and gas operations (except site preparation and related construction activities). Services included are exploration (except geophysical surveying and mapping); excavating slush pits and cellars, well surveying; running, cutting, and pulling casings, tubes, and rods; cementing wells, shooting wells; perforating well casings; acidizing and chemically treating wells; and cleaning out, bailing, and swabbing wells.
| Average Jobs Employed | | 13 |
| Average Loan Given | | $215,222 |
| Number of Loans Given | | 11335 |
| Total Amount Loaned | | $2,439,543,076 |
Contract drilling for oil and gas are classified in U.S. Industry 213111, Drilling Oil and Gas Wells;
Operating oil and gas field properties on a contract or fee basis are classified in Industry Group 2111, Oil and Gas Extraction;
Performing geophysical surveying and mapping services for oil and gas on a contract or fee basis are classified in Industry 541360, Geophysical Surveying and Mapping Services;
Oil and gas pipeline and related structures construction and repair are classified in Industry 237120, Oil and Gas Pipeline and Related Structures Construction;
Inspecting pipelines are classified in Industry 541990, All Other Professional, Scientific, and Technical Services;
Site preparation and related construction activities on a contract or fee basis are classified in Industry 238910, Site Preparation Contractors.
Mining machinery and equipment repair and maintenance are classified in Industry 811310, Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance.