75534674
Aug 11, 1998
Dec 5, 2000
Construction and maintenance of oil and gas wells, of oil pipelines, and of compression and pump stations for the transport of oil and gas through pipelines
Building Construction and RepairMechanical engineering, electrical engineering, and petroleum engineering, all in support of the construction of gas and oil wells, of gas and oil pipelines and of compression and pump stations for the transport of oil and gas through pipelines
Computer and Scientific