Oil companies

Prima Industries is a manufacturer and distributor of solvent extraction, edible oil refinery, and animal feeds.

Hap Seng Plantations Holdings is an oil palm plantation company.

Daybreak Oil and Gas, Inc. is an independent oil and gas company engaged in the exploration, development and production of oil and natural gas properties.

Klaipedos nafta (KN) is an oil and liquefied natural gas terminal operator.

Brigham Minerals owns and operates a portfolio of mineral and royalty interests in the continental United States.

POL (Pakistan Oilfields Limited) is an oil and gas exploration and production company.

Guangzhou Development Group (广州发展集团股份有限公司) is a company that produces and distributes oil, gas and energy products.

Ocean Yield a ship owning company, which invests in vessels within oil-service and industrial shipping areas.

Ithaca Energy is a provider of oil and gas exploration and development services.

Lonestar Resources US is a leading independent oil and gas company.

Puradyn Filter Technologies designs, manufactures and markets the puraDYN Oil Filtration System, a bypass oil filtering system for engines of all types, using any type of fuel.

Oliyar is a company producing vegetable oils and meals.