| 237120 |
Oil and Gas Pipeline and Related Structures Construction |
1389 |
Oil and Gas Field Services, NEC (construction of field gathering lines on a contract or fee basis) |
| 237120 |
Oil and Gas Pipeline and Related Structures Construction |
1623 |
Water, Sewer, Pipeline, and Communications and Power Line Construction (gas and oil pipelines, mains, and pumping stations) |
| 237120 |
Oil and Gas Pipeline and Related Structures Construction |
1629 |
Heavy Construction, NEC (petrochemical plants and refineries) |
| 237120 |
Oil and Gas Pipeline and Related Structures Construction |
8741 |
Management Services (construction management of oil and gas pipelines and related structure construction projects) |
