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Main Player
- PETRONAS (Petroliam Nasional Berhad)
- PETRONAS History
- PETRONAS Subsidiaries
- Carigali PTTEPI Operating Company Sdn Bhd (CPOC)
- Kebabangan Petroleum Operating Company Sdn Bhd (KPOC)
- Petrofac Malaysia
- Petrofac Engineering Services (Malaysia) Sdn Bhd
- Ranhill Worley Parsons Sdn. Bhd.
- Aker Engineering Malaysia Sdn. Bhd
- MMC Oil and Gas Engineering Sdn. Bhd
- Protek Engineers Sdn. Bhd
- Sime Engineering Sdn. Bhd
- Technip Consultant (M) Sdn. Bhd
- Environmental Resourcess Management (M) Sdn. Bhd
- Minconsult Sdn. Bhd
- MMC Amec Sdn. Bhd
- RNZ Integrated (M) Sdn. Bhd
- MECIP Global Engineers Sdn. Bhd
- Toyo Engineering Corporation Sdn. Bhd
- Chiyoda Malaysia Sdn. Bhd
- Innovative Fluid Process Sdn. Bhd
- Cekap Technical Services Sdn. Bhd
- DPS Consultant Malaysia Sdn. Bhd
- Foster Wheeler E & C (M) Sdn. Bhd.
- OPE (Malaysia) Sdn Bhd
- Oil-Line Engineering & Associates Sdn. Bhd
- Multi-CAD Engineering Sdn. Bhd.
- KNM Process Systems Sdn Bhd
- Chalpoint (M) Sdn. Bhd
- Tanjung Offshore Services Sdn. Bhd.
- Proeight Offshore Engineering Sdn. Bhd.
- Germanischer Llyod GLM Sdn. Bhd.
Fabricator and Maintainance.
- MMHE
- Ramunia
- Sime Darby Engineering (SDE)
- Kencana HL
- Vastalux Sdn Bhd - Kemaman & Labuan
- Sarku Engineering Services Sdn Bhd
Drilling & Service Provider
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Oil and Gas Vendors