| 237130 |
Power and Communication Line and Related Structures Construction |
1623 |
Water, Sewer, Pipeline, and Communications and Power Line Construction (power and communications transmission lines) |
| 237130 |
Power and Communication Line and Related Structures Construction |
1629 |
Heavy Construction, NEC (power generation plants [except hydroelectric dams], transmission stations, and distribution stations) |
| 237130 |
Power and Communication Line and Related Structures Construction |
8741 |
Management Services (construction management of power generation [except hydroelectric] facilities, and transmission and distribution station construction projects) |
