Exploration & development companies

DOF provides integrated project managed and engineered subsea solutions to the offshore oil and gas industry.

Southwestern Energy Production Company engages in natural gas and oil exploration, development and production.

Latin Metals is a company that provides exploration services.

Rambler Metals & Mining explores and develops mineral properties.

Isramco is an oil and natural gas company engaged in the exploration, development, and production of oil and natural gas properties.

Rice Energy is an independent natural gas and oil company engaged in the acquisition, exploration and development of natural gas and oil properties.

Antero Resources is an independent exploration and production (E&P) company engaged in the acquisition, development, and production of unconventional resources in the United States.

Venustech Group (北京启明星辰信息安全技术有限公司) is a network security technology research and development center.

Battalion Oil (formerly known as Halcón Resources) is an energy company that focuses on the acquisition, production, exploration, and development of onshore liquids-rich oil and natural gas assets.

GRATOMIC is a mining company that provides metal exploration and production services.

Tesco Corporation is a provider of technology-based solutions for drilling, servicing and completion of wells for the upstream energy industry.

Dore Copper is a mining company that provides an exploration of mineral properties.