Please do your homework. Too many to mention. You can find this at Gurun, Kerteh, Kemaman, Gebeng, Pasir Gudang, Melaka, Bintulu, Sipitang and Labuan.
Shell downstream has its oil refinery at Port Dickson, and GTL plant at Bintulu (Shell MDS).
Petronas downstream are consolidated under PCG (Petronas Chemicals Group), and has many petchem plant under its wing - methanol, mtbe, urea, aromatics, ldpe, petlin, etc and PCG also JV with others player too for petchem businesses like Optimal, BP Acetyl, BASF, Idemitsu etc.Petronas Gas business plant like PGB who has several plants at Kerteh, Gebeng, and Segamat. Petronas LNG plant is at Bintulu. The hottest downstream project right now is Rapid at Pengerang.
Other players for petchem businesses in Malaysia is like Nuplex, Lotte-Titan, Polyplastic, Eastman, Huntsman, Arkema, Toray, RP Chemicals, WH Grace Chemicals, BASF, Sumitomo etc
There are also oil bunkering and terminal business at Pengerang Deepwater area operated by Dialog JV with Vopak and Puma Energy. We also have FSRU or LNG regas terminal at Sg Udang Melaka, second regas is currently being built at Pengerang, and third one at Lahad Datu is being halted.
We have several onshore receiving terminal like TCOT, BCOT, BORF, MCOT and Kimanis.
What else I missing about downstream? You wanna get involved in EPC contractor who built these downstream plants? Too many to list - Fluor, Technip, WorleyParsons, Toyo, Chiyoda, Dialog, Muhibbah, Samsung C&T, Hyundai, C2HM, Jacobs, JGC, Kellogg-Brown, Eversendai, Kejuruteraan QKS etc
I havent mention yet those contractors who involved in plant turnaround and shutdown. Banyak sangat.
Add Pet Ethylene and EMSB (Ethylene Malaysia Sdn Bhd).