- Oil and gas pipeline construction (7)
- Pipeline wrapping (1)
- Communication line and transmission tower construction (6)
- Cable laying construction (4)
- Cable television line construction (2)
- Telephone and communication line construction (6)
- Transmitting tower (telecommunication) construction (2)
- Water and sewer line construction (11)
- Aqueduct construction (1)
- Sewer line construction (13)
- Water main construction (8)
- Electric power line construction (7)
- Manhole construction (1)
- Pipe laying construction (1)
- Pipeline construction, nsk (15)
- Pumping station construction (2)
- Underground utilities contractor (27)
