Oil & gas companies

Orlen is a company engaged in oil refining, petrochemical manufacturing, and energy production.

Earthstone Energy, Inc. is an independent oil and natural gas exploration and production company.

Jura Energy is an oil and gas company.

Forestar Group is a real estate, oil and gas, and other natural resources company operating three business segments: Real Estate, Oil and Gas, and Other Natural Resources.

SIT Group develops and manufactures components for gas equipment and gas smart meters.

SPT Energy Group (华油能源集团有限公司) is a company that provides oil field services.

Clayton Williams Energy is an independent oil and gas company.

Haimo Technologies (海默科技(集团)股份有限) is a company that engaged in oilfield equipment manufacturing, oilfield technical services and unconventional oil and gas exploration and development.

CSI Compressco provides compression services and equipment for natural gas and oil production, gathering, transportation, processing and storage applications.

APA Corporation (also known as Apache Corporation) is a company engaged in the exploration, development, and production of oil and natural gas.

Xinjiang Beiken Energy Engineering (新疆贝肯能源工程股份有限公司, formerly known as XinJiang Beiken Energy Engineering Stock) is a provider for the development of oil and gas resources as well as technical services such as drilling projects, fracturing, oil test, and extraction projects.

Obsidian Energy (formerly Penn West Petroleum Ltd) is an oil and gas company.