- Oil and gas pipeline construction (2)
- Communication line and transmission tower construction (2)
- Cable laying construction (4)
- Cable television line construction (4)
- Telephone and communication line construction (4)
- Transmitting tower (telecommunication) construction (2)
- Water and sewer line construction (15)
- Aqueduct construction (1)
- Sewer line construction (13)
- Water main construction (12)
- Electric power line construction (5)
- Pipeline construction, nsk (1)
- Pumping station construction (1)
- Underground utilities contractor (11)
