- Oil and gas line and compressor station construction (1)
- Oil and gas pipeline construction (3)
- Communication line and transmission tower construction (2)
- Cable laying construction (6)
- Telephone and communication line construction (3)
- Transmitting tower (telecommunication) construction (2)
- Water and sewer line construction (11)
- Sewer line construction (14)
- Water main construction (3)
- Electric power line construction (7)
- Pipeline construction, nsk (11)
- Pumping station construction (1)
- Underground utilities contractor (11)
