- Oil and gas line and compressor station construction (1)
- Gas main construction (4)
- Natural gas compressor station construction (2)
- Oil and gas pipeline construction (17)
- Pipeline wrapping (1)
- Communication line and transmission tower construction (18)
- Cable laying construction (13)
- Cable television line construction (7)
- Telephone and communication line construction (20)
- Transmitting tower (telecommunication) construction (8)
- Water and sewer line construction (35)
- Sewer line construction (25)
- Water main construction (15)
- Electric power line construction (8)
- Pipe laying construction (11)
- Pipeline construction, nsk (33)
- Pumping station construction (4)
- Underground utilities contractor (51)