- Oil and gas pipeline construction (5)
- Pipeline wrapping (1)
- Communication line and transmission tower construction (1)
- Cable laying construction (2)
- Cable television line construction (2)
- Telephone and communication line construction (4)
- Transmitting tower (telecommunication) construction (1)
- Water and sewer line construction (14)
- Aqueduct construction (2)
- Sewer line construction (12)
- Water main construction (14)
- Electric power line construction (6)
- Pipe laying construction (2)
- Pipeline construction, nsk (20)
- Pumping station construction (2)
- Underground utilities contractor (15)
