- Oil and gas line and compressor station construction (5)
- Gas main construction (1)
- Oil and gas pipeline construction (3)
- Communication line and transmission tower construction (16)
- Cable laying construction (12)
- Cable television line construction (7)
- Telephone and communication line construction (27)
- Transmitting tower (telecommunication) construction (17)
- Water and sewer line construction (21)
- Sewer line construction (37)
- Water main construction (14)
- Electric power line construction (14)
- Manhole construction (2)
- Pipe laying construction (6)
- Pipeline construction, nsk (10)
- Pumping station construction (3)
- Underground utilities contractor (94)