Rohaizad bin Darus

SapuraCrest Petroleum Bhd. engages in offshore drilling, marine installation, and construction. Its operations are carried out though the following business segments: Drilling, Installation of Pipeline and Facilities Division, Marine Services, Operations and Maintenance, and Development and Operation of Oil and Gas Field. The Drilling segment includes hydraulic workover units and services and snubbing and services. The Installation of Pipelines and Facilities segment provides transportation, erection, and installation of offshore pipelines. The Marine Services segment consists of marine positioning, hydrographic analysis, pile monitoring services, geotechnical system maintenance, and underwater ROV inspection and intervention. The Operations and Maintenance segment offers repair and maintenance of industrial gas turbines, wellhead maintenance, slicking services, valve maintenance, and general plant maintenance. The Development and Operation of Oil and Gas Field segment includes installation of pipelines, offshore drilling, marine services, and turbine refurbishment. The company was founded on March 3, 1979 and is headquartered in Seri Kembangan, Malaysia.

UMW Corp. Sdn. Bhd. supplies heavy vehicles and industrial compressors. The company is headquartered in Shah Alam, Malaysia.

Part of UMW Holdings Bhd., UMW Oil & Gas Bhd. The private company is based in SE. is a Malaysian company that manufactures oil and gas field machinery.

Board of Engineers Malaysia provides professional engineering services. The private company is based in Kuala Lumpur, Malaysia.

Part of Sapura Energy Bhd., Tioman Drilling Co. Sdn. is an energy company based in Kuala Lumpur, Malaysia. Bhd.