- Gas main construction (1)
- Communication line and transmission tower construction (3)
- Cable laying construction (2)
- Cable television line construction (2)
- Telephone and communication line construction (11)
- Transmitting tower (telecommunication) construction (2)
- Water and sewer line construction (7)
- Aqueduct construction (1)
- Sewer line construction (9)
- Water main construction (2)
- Electric power line construction (6)
- Pipeline construction, nsk (3)
- Underground utilities contractor (3)
