Drilling companies

Barnwell Industries, Inc. is involved in the acquisition and development of oil and natural gas properties.

Camber Energy is an independent oil and natural gas company.

Kalgoorlie Gold Mining is a mining company that provides mineral and metal exploration and development services.

Primetech is a provider of mining and drilling services.

Royale Energy is an independent exploration and production company focused on the acquisition, development, and marketing of natural gas.

Shenzhen Create Century Machinery (深圳市创世纪机械有限公司, also known as Taikan) is a company that provides intelligent equipment integrated solutions.

Ardea Resources is a mining company that provides minerals and natural resources exploration and development services

Xantippe Resources is a mining company that provides mineral and metal exploration and development services.

ISMT is a manufacturer of seamless tubes.

Forbes Energy Services is an independent oilfield services contractor that provides a broad range of drilling and production related services to oil and natural gas companies.

iMetals Resources is a mining company that provides mineral exploration and production services.

Portofino Resources is a company engaged in the exploration and development of mineral properties.