- Oil and gas line and compressor station construction (3)
- Gas main construction (3)
- Oil and gas pipeline construction (14)
- Pipeline wrapping (1)
- Communication line and transmission tower construction (22)
- Cable laying construction (13)
- Cable television line construction (10)
- Telephone and communication line construction (18)
- Transmitting tower (telecommunication) construction (7)
- Water and sewer line construction (27)
- Sewer line construction (25)
- Water main construction (22)
- Electric power line construction (7)
- Manhole construction (4)
- Pipe laying construction (12)
- Pipeline construction, nsk (39)
- Pumping station construction (5)
- Underground utilities contractor (88)
