Company directory

Gradiant

MIT spin-out engineering brine and effluent plants for semiconductor factories, server farms, mines and oilfield water, with 3,000-plus plants built across 92 countries.

water-environmentmining-minerals

Gunvor Group

Geneva-based independent energy commodities trader active in crude, refined products, LNG, gas, power and base metals, with refineries, terminals and storage in its portfolio.

trading-marketing

Halliburton

Houston oilfield services group supplying drilling, cementing, completions, artificial lift and the Landmark and DecisionSpace software suite to operators worldwide.

oilfield-servicestechnology-software

Harbour Energy

London-headquartered upstream group producing oil and gas in Norway, the UK, Germany, the US Gulf of America, Argentina, Mexico and North Africa, plus CO2 storage.

exploration-production

Hartree Partners

New York merchant commodities firm founded in 1997, trading energy, metals, agricultural and environmental products and investing in assets, ventures and critical minerals.

trading-marketing

Heerema Marine Contractors

Leiden-based heavy-lift contractor whose semi-submersible crane vessels install and remove offshore platforms and foundations for oil, gas and wind projects.

subsea-services

Helmerich & Payne

Tulsa-based land drilling contractor running FlexRig and T-Series rigs across US shale basins plus international land, offshore platform and geothermal drilling work.

drilling-contractors

Hunting PLC

Hunting PLC is a London-listed precision engineering group whose energy divisions make perforating systems, premium connections and subsea equipment for oil and gas operators.

oilfield-servicesequipment-suppliers

IFP Training

French energy training company in Rueil-Malmaison, part of the IFPEN group, running about a thousand oil, gas, refining and energy transition courses for industry.

training-certification

INEOS

London-headquartered private chemicals and energy group operating crackers, refineries and North Sea oil and gas assets across Europe, with 148 sites in 26 countries.

chemicals-catalystsexploration-production

INPEX Corporation

Japanese exploration and production company in Tokyo that operates the Ichthys LNG project in Australia and holds oil and gas interests across Asia, the Middle East and Europe.

exploration-productionmidstream-pipelines

IOGP (International Association of Oil & Gas Producers)

Upstream trade body whose 90-plus producer members supply over 40 per cent of world demand, issuing good-practice safety and engineering guidance from its London base.

government-associations

Iberdrola

Spanish electric utility based in Bilbao that runs regulated networks in Spain, the UK, the US and Brazil alongside a large wind, solar and hydro generation fleet.

power-utilitiesrenewables-transition

International Energy Agency (IEA)

Paris-based intergovernmental energy agency created in 1974, providing member and partner countries with energy data, market analysis and security advice.

government-associations

International Energy Forum (IEF)

Riyadh secretariat that convenes oil and gas ministers from producer, consumer and transit nations, and publishes the JODI global oil statistics database.

government-associations

International Well Control Forum (IWCF)

Montrose-based, industry-owned body that sets and accredits well control training and certification standards for drilling and well intervention crews worldwide.

training-certification

Intertek

London-listed testing, inspection and certification group founded in 1885 that runs asset integrity, non-destructive testing and laboratory work for energy and industrial clients.

inspection-ndt

Ipieca

Ipieca is a London-based oil and gas association founded at the request of UNEP in 1974 that helps members improve environmental and social performance.

government-associations

JERA

Japanese power and fuel joint venture of TEPCO and Chubu Electric, generating thermal and renewable electricity and trading LNG and other fuels worldwide.

power-utilitiestrading-marketing

JGC Holdings

Japanese engineering group headquartered in Yokohama that designs and builds LNG, refining, petrochemical, industrial and energy transition plants worldwide.

epc-contractorsengineering-consulting