- Oil and gas line and compressor station construction (3)
- Oil and gas pipeline construction (9)
- Pipeline wrapping (1)
- Communication line and transmission tower construction (3)
- Cable laying construction (1)
- Cable television line construction (1)
- Telephone and communication line construction (1)
- Transmitting tower (telecommunication) construction (4)
- Water and sewer line construction (7)
- Sewer line construction (9)
- Water main construction (6)
- Electric power line construction (1)
- Manhole construction (1)
- Pipeline construction, nsk (3)
- Pumping station construction (1)
- Underground utilities contractor (17)
