NAICS Code 21 Companies ... NAICS Code 213 Companies ... NAICS Code 2131 Companies ... NAICS Code 21311 Companies ... NAICS Code 213112 Companies
Support Activities for Oil and Gas Operations
This U.S. industry comprises establishments primarily engaged in performing support activities, on a contract or fee basis, for oil and gas operations (except geophysical surveying and mapping, site preparation, construction, and transportation activities). Services included are exploration; 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.
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