Drilling companies

Nostra Terra Oil and Gas is a fast-growing exploration and production company focused on emerging plays within established hydrocarbon regions of the United States.

Orange Minerals is a mining company that provides mineral and metal exploration and development services.

Robodrill is a company that designs, manufactures, and rentals drilling equipment.

Popeci Utilaj Greu is a provider of industrial machine tools and heavy-duty equipment.

MetalsTech is a mining company that acquires and operates mineral deposit properties.

Rogiers is a company that is involved in the sale, delivery, installation, and maintenance of CNC-controlled machinery products.

Sk Licenssvets Frölunda is a provider of industrial welding solutions.

ASI Industries is a company that provides stone mining services for the real estate, infrastructure, and construction sectors.

Riley Permian (also known as Riley Exploration Permian) is an oil and gas exploration and production company.

Polskie Górnictwo Naftowe i Gazownictwo (PGNiG) is a company that imports and supplies natural gas, crude oil, heat and electricity, and liquid fuels.

Asian Oilfield is an oil and gas industry service provider.

Empyrean Energy PLC is an onshore oil and gas explorer and producer company.