
|
 |
|
21 - Mining |
 |
 |
 |
|
[211111] Crude Petroleum and Natural Gas Extraction |
 |
|
[212299] All Other Metal Ore Mining |
 |
|
[213111] Drilling Oil and Gas Wells |
 |
|
[213112] Support Activities for Oil and Gas Operations |
 |
|
[213114] Support Activities for Metal Mining |
 |
|
[213115] Support Activities for Nonmetallic Minerals (except Fuels) Mining |
 |

|
 |
|
23 - Construction |
 |
 |
 |
|
[237120] Oil and Gas Pipeline and Related Structures Construction |
 |
|
[238910] Site Preparation Contractors |
 |

|
 |
|
54 - Professional, Scientific, and Technical Services |
 |
 |
 |
|
[541330] Engineering Services |
 |
|
[541360] Geophysical Surveying and Mapping Services |
 |
|
[541370] Surveying and Mapping (except Geophysical) Services |
 |
|
[541380] Testing Laboratories |
 |
|
[541611] Administrative Management and General Management Consulting Services |
 |
|
[541612] Human Resources and Executive Search Consulting Services |
 |
|
[541613] Marketing Consulting Services |
 |
|
[541614] Process, Physical Distribution, and Logistics Consulting Services |
 |
|
[541710] Research and Development in the Physical, Engineering, and Life Sciences |
 |
|
[541940] Veterinary Services |
 |

|
 |
|
92 - Public Administration |
 |
 |
 |
|
[924110] Administration of Air and Water Resource and Solid Waste Management Programs |
 |
 |
| (* Types: M-Manufacturer D-Distributor S-Service Provider E-Exporter I-Importer) |