73248531
Feb 1, 1980
Aug 18, 1981
Construction and Erection on a Custom Basis of Plant Buildings, Facilities, Wells, Equipment and Related Structures for the Petroleum, Petrochemical, Natural Gas, Chemical, Nuclear Energy, Offshore Petroleum, Mining, Electrical Power Generating, and Material Processing Industries
Building Construction and RepairEngineering and Design of Plant Processes, Buildings, Equipment, Structures and Related Facilities and Processes, for the Petroleum, Petrochemical, Natural Gas, Chemical, Nuclear Energy, Offshore Petroleum, Mining, Electrical Power Generating, and Material Processing Industries
Computer and Scientific