- Oil and gas line and compressor station construction (2)
- Gas main construction (6)
- Oil and gas pipeline construction (11)
- Communication line and transmission tower construction (32)
- Cable laying construction (13)
- Cable television line construction (9)
- Telephone and communication line construction (17)
- Transmitting tower (telecommunication) construction (11)
- Water and sewer line construction (31)
- Aqueduct construction (1)
- Sewer line construction (112)
- Water main construction (14)
- Electric power line construction (10)
- Pipe laying construction (8)
- Pipeline construction, nsk (21)
- Pumping station construction (3)
- Underground utilities contractor (52)