
|
 |
|
21 - Mining |
 |
 |
 |
| M |
[211111] Crude Petroleum and Natural Gas Extraction |
 |
| M |
[211112] Natural Gas Liquid Extraction |
 |
| M |
[213111] Drilling Oil and Gas Wells |
 |
| M |
[213112] Support Activities for Oil and Gas Operations |
 |

|
 |
|
22 - Utilities |
 |
 |
 |
| M |
[221210] Natural Gas Distribution |
 |

|
 |
|
32 - Manufacturing (Paper, Printing, Petroleum, Coal, Chemical, Plastics, Rubber, Nonmetalic Mineral) |
 |
 |
 |
| M |
[324110] Petroleum Refineries |
 |
| M |
[325110] Petrochemical Manufacturing |
 |
| M |
[325120] Industrial Gas Manufacturing |
 |
| M |
[325181] Alkalies and Chlorine Manufacturing |
 |
| M |
[325188] All Other Basic Inorganic Chemical Manufacturing |
 |
| M |
[325199] All Other Basic Organic Chemical Manufacturing |
 |
| M |
[325998] All Other Miscellaneous Chemical Product and Preparation Manufacturing |
 |

|
 |
|
33 - Manufacturing (Metals, Machinery, Computer, Electronics Electrical Transportation Equipment, Furniture, Misc.) |
 |
 |
 |
| M |
[332911] Industrial Valve Manufacturing |
 |
| M |
[333132] Oil and Gas Field Machinery and Equipment Manufacturing |
 |
 |
| (* Types: M-Manufacturer D-Distributor S-Service Provider E-Exporter I-Importer) |