- Oil and gas line and compressor station construction (1)
- Gas main construction (2)
- Oil and gas pipeline construction (14)
- Pipeline wrapping (1)
- Communication line and transmission tower construction (17)
- Cable laying construction (2)
- Cable television line construction (5)
- Telephone and communication line construction (11)
- Transmitting tower (telecommunication) construction (6)
- Water and sewer line construction (21)
- Aqueduct construction (1)
- Sewer line construction (29)
- Water main construction (19)
- Electric power line construction (14)
- Pipe laying construction (7)
- Pipeline construction, nsk (23)
- Pumping station construction (2)
- Underground utilities contractor (27)