- Oil and gas line and compressor station construction (4)
- Gas main construction (9)
- Natural gas compressor station construction (1)
- Oil and gas pipeline construction (13)
- Communication line and transmission tower construction (26)
- Cable laying construction (11)
- Cable television line construction (7)
- Telephone and communication line construction (26)
- Transmitting tower (telecommunication) construction (8)
- Water and sewer line construction (33)
- Aqueduct construction (1)
- Sewer line construction (40)
- Water main construction (29)
- Electric power line construction (11)
- Manhole construction (1)
- Pipe laying construction (9)
- Pipeline construction, nsk (16)
- Pumping station construction (4)
- Underground utilities contractor (61)