- Gas main construction (2)
- Natural gas compressor station construction (1)
- Oil and gas pipeline construction (3)
- Communication line and transmission tower construction (7)
- Cable laying construction (6)
- Cable television line construction (8)
- Telephone and communication line construction (11)
- Transmitting tower (telecommunication) construction (7)
- Water and sewer line construction (12)
- Sewer line construction (71)
- Water main construction (20)
- Electric power line construction (18)
- Pipe laying construction (4)
- Pipeline construction, nsk (6)
- Pumping station construction (4)
- Underground utilities contractor (16)
