- Oil and gas line and compressor station construction (2)
- Gas main construction (2)
- Oil and gas pipeline construction (13)
- Communication line and transmission tower construction (7)
- Cable laying construction (11)
- Cable television line construction (4)
- Telephone and communication line construction (14)
- Transmitting tower (telecommunication) construction (3)
- Water and sewer line construction (19)
- Sewer line construction (49)
- Water main construction (21)
- Electric power line construction (10)
- Pipe laying construction (2)
- Pipeline construction, nsk (31)
- Underground utilities contractor (30)
