- Oil and gas line and compressor station construction (13)
- Gas main construction (6)
- Natural gas compressor station construction (1)
- Oil and gas pipeline construction (27)
- Pipeline wrapping (1)
- Communication line and transmission tower construction (92)
- Cable laying construction (54)
- Cable television line construction (49)
- Telephone and communication line construction (64)
- Transmitting tower (telecommunication) construction (52)
- Water and sewer line construction (79)
- Aqueduct construction (1)
- Sewer line construction (101)
- Water main construction (46)
- Electric power line construction (45)
- Manhole construction (3)
- Pipe laying construction (31)
- Pipeline construction, nsk (45)
- Pumping station construction (12)
- Underground utilities contractor (497)
