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- Natural gas compressor station construction (3)
- Oil and gas pipeline construction (36)
- Pipeline wrapping (1)
- Communication line and transmission tower construction (22)
- Cable laying construction (26)
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- Water and sewer line construction (45)
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- Sewer line construction (155)
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- Electric power line construction (15)
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- Pipeline construction, nsk (72)
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- Underground utilities contractor (87)