BASF Petronas Chemicals

Petroliam Nasional Berhad

Ethylene Malaysia Sdn Bhd

Huntsman Tioxide

Malaysian Maritim Academy SdnBhd

MSET Engineering Corporation Sdn.Bhd

MTBE Malaysia Sdn.Bhd

PETLIN (Malaysia) Sdn.Bhd

Eastman Chemicals (Malaysia) Sdn.Bhd

Petronas Gas Berhad

Petronas Dagangan

Petronas Carigali Sdn Bhd

Petronas Penapisan (Melaka) SdnBhd

Petronas Penapisan (Terengganu) Sdn.Bhd

PS Pipeline Sdn. Bhd