- Gas main construction (2)
- Oil and gas pipeline construction (1)
- Communication line and transmission tower construction (10)
- Cable laying construction (6)
- Cable television line construction (1)
- Telephone and communication line construction (12)
- Transmitting tower (telecommunication) construction (4)
- Water and sewer line construction (5)
- Sewer line construction (24)
- Water main construction (10)
- Electric power line construction (6)
- Pipe laying construction (4)
- Pipeline construction, nsk (8)
- Underground utilities contractor (22)
