Oil & gas companies

Calfrac Well Services is a provider of oilfield services.

Beach Energy (Previously known as Beach Petroleum) is an oil and natural gas exploration, and production company.

Changzheng Engineering (航天长征化学工程股份有限公司, CECO) is a technology engineering research centre for pulverized coal pressurized gasification in the industry.

RSP Permian is an independent oil and natural gas company, which engages in the acquisition, exploration, exploitation, development, and production of unconventional oil and natural gas reserves.

Koil Energy Solutions (formerly known as Deep Down) is an oilfield products and services company providing solutions for the energy and offshore industries.

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.

Shandong Molong Petroleum Machinery (山东墨龙石油机械有限公司) is a company engaged in the development, production, and distribution of products for the energy equipment industry.

Etablissements Maurel & Prom S.A., an independent oil company, engages in the extraction and production of hydrocarbons.

Toho Acetylene (東邦アセチレン株式会社) is a company that provides gas related products.

YPF is an energy company that specializes in oil and gas exploration and production, transportation, refining, and marketing of gas and petroleum products.

RAK Petroleum operates as an oil and gas investment company.

China Oil HBP (also known as China Oil HBP Science & Technology, 华油惠博普科技股份有限公司) is a mining and metals company providing solutions for oil and gas resource development and utilization.