0610 Extraction of crude petroleum

A private oil and gas exploration and production company

Has platform IP in the clean fuels market, allowing it to create catalysts which match, or exceed, the performance of competing catalyst technologies.

Development and production of conventional natural gas and crude oil properties.

Independent exploration and production business focused on SE Asia.

Leading provider of oilfield services to the international oil & gas industry.

A wireline company that specializes in perforating oil and gas wells.

Provider of fluid management and logistics to support development and production throughout the MidContinent..

Provider of “life of field” services in construction support, fabric maintenance and related services to the international oil, gas & petrochem.

Provider of independent upstream oil and gas exploration and production.

The state owned oil company of the Kingdom of Saudi Arabia.

Energy explorer focused on international resource plays

Provider of natural gas service with operations spanning the natural gas value chain throughout the Mid-continent and into Appalachia.

Oil and gas independent exploration and production company.

Market leader in global recruitment and relocation focused on the oil and gas sector

Provider of midstream natural gas and NGL services

Manufacturer and supplier of the oil and gas industry with superior downhole completion solutions that clients can trust.

Upstream oil and gas company.

Develops and markets highly efficient and cost effective Geothermal Heat Pump (GHP) technology and systems

Provider of services to energy producers and consumers

Manufacturer and seller of matrix and steel polycrystalline diamond compact bits and related downhole tools for the oil & gas drilling industry.

An oil and gas exploration and production company

Leading independent provider of oil and gas exploration.

Provider of deep domain knowledge for liquid petroleum asset management.