Oil pipeline construction; Laying, repair, maintenance, replacement and refurbishment of oil pipelines; Oil drilling services

Engineering services, namely, engineering for the field of oil and gas pipeline construction; Engineering design services in the field of oil and gas pipeline construction, infrastructure, and drilling; Research and development in the field of oil and gas pipeline construction, repair, maintenance, replacement, commissioning, and decommissioning; Environmental engineering, testing and inspection services; Analysis and testing for oil workings