- Oil and gas line and compressor station construction (7)
- Gas main construction (4)
- Natural gas compressor station construction (2)
- Oil and gas pipeline construction (38)
- Communication line and transmission tower construction (14)
- Cable laying construction (5)
- Cable television line construction (6)
- Telephone and communication line construction (15)
- Transmitting tower (telecommunication) construction (8)
- Water and sewer line construction (18)
- Sewer line construction (46)
- Water main construction (20)
- Electric power line construction (16)
- Manhole construction (1)
- Pipe laying construction (7)
- Pipeline construction, nsk (92)
- Pumping station construction (6)
- Underground utilities contractor (27)
