Intercontinental Exchange (ICE)
https://www.ice.com/

New York Mercantile Exchange (NYMEX)
https://www.cmegroup.com/company/nymex.html

Dubai Mercantile Exchange (DME)
https://www.gulfmerc.com/
Oman Crude Oil Futures (OQD): The benchmark for Middle Eastern crude oil exports to Asia.
Importance: DME is the primary exchange for pricing Middle Eastern sour crude oil, which is heavily exported to Asia.

Shanghai International Energy Exchange (INE)

Tokyo Commodity Exchange (TOCOM)

Multi Commodity Exchange (MCX)

Singapore Exchange (SGX)