75224787
Jan 13, 1997
Dec 7, 1999
plants for the manufacture of chemicals and for the processing of coal and hydrocarbons
Environmental Control Apparatusconstruction, repair and modernization of installations and apparatus for chemical, industrial, and commercial companies, governments, and others; supervision of construction of installations and apparatus for chemical, industrial, and commercial companies, governments, and others
Building Construction and Repairresearch, consultation, and advisory services relating to engineering, design and development problems encountered by chemical, industrial, and commercial companies, governments and others; engineering and design services in connection with the construction, repair and modernization of installations and apparatus for chemical, industrial, and commercial companies, governments, and others
Computer and Scientific