Class 037
Construction and Repair Services
Installation and repair of valves and valve equipment for use in subsurface and reservoir engineering
Class 042
Computer & Software Services & Scientific Services
Scientific and technological services, namely, scientific research and design relating thereto in the field of subsurface and reservoir engineering; industrial analysis and research services in the field of subsurface and reservoir engineering; design and development of computer hardware and software; technological consultancy services related to work on pipes, tubes, pipelines and tubing in the field of subsurface and reservoir engineering