Petra Energy Bhd is an investment holding company which provides a range of integrated brownfield services for the upstream oil and gas industry in Malaysia. It operates through Services, Marine Assets, and Production and Development segments. The company offers services in Hook-up Construction Commissioning and Topside major Maintenance, Project Management, Procurement and Logistics, Engineering, Operations and Maintenance, Oil Field Optimisation, and Equipment, Packaging and Manufacturing. It derives majority of the revenue from Services segment that provides Hook-up Commissioning, Topside major Maintenance, vessels management and time chartering, fabrication, subsea and underwater, as well as trading and engineering services.