Construction of offshore gas facilities; Construction of offshore oil facilities; Construction project management services in the field of construction of offshore oil and gas facilities; Consulting services in the field of offshore oil and gas facility construction; Covering, coating, and maintenance of pipelines for oil; Installation of offshore pipelines; Maintenance and repair of buildings; Pipeline construction and maintenance

Construction project management services in the field of construction of offshore oil and gas facilities; Construction of offshore gas facilities; Construction of offshore oil facilities; Consulting services in the field of offshore oil and gas facility construction; Covering, coating, and maintenance of pipelines for oil; Installation of offshore pipelines; Maintenance and repair of buildings; Pipeline construction and maintenance