Oil companies

Newfield is an independent crude oil and natural gas exploration and production company.

New Hope Group is a diversified energy company.

Bera Holding operates in the paper and cardboard, machinery, oil, construction and building materials, marble, textile, tourism, and food sectors worldwide.

SM Energy is an independent energy company engaged in acquisition, exploration, development, and production of crude oil, natural gas, and natural gas liquids.

Parsley Energy is an oil and natural gas company.

BW Offshore is an owner and operator of floating production storage and offloading vessels.

DNO engages in the exploration, development, and production of oil and gas primarily in the Middle East and North Africa.

Jinzhou Port (錦州港有限公司) is a company that provides shipping, logistics, and port services.

TAG Oil is a company that focuses on oil production and exploration activities.

Gener8 Maritime Inc. is a provider of international seaborne crude oil transportation services.

H&R Group is a manufacturer of mineral oil specialties.

Astec Industries (formerly known as Osborn) designs, engineers, manufactures, and markets equipment and components primarily for the road building, aggregate processing, geothermal, water, oil and gas, and wood processing industries.