- Oil and gas line and compressor station construction (3)
- Gas main construction (3)
- Oil and gas pipeline construction (8)
- Communication line and transmission tower construction (15)
- Cable laying construction (12)
- Cable television line construction (3)
- Telephone and communication line construction (17)
- Transmitting tower (telecommunication) construction (4)
- Water and sewer line construction (19)
- Aqueduct construction (2)
- Sewer line construction (38)
- Water main construction (17)
- Electric power line construction (6)
- Manhole construction (3)
- Pipe laying construction (7)
- Pipeline construction, nsk (22)
- Pumping station construction (2)
- Underground utilities contractor (37)