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Company directory

Inspection, engineering, and service companies across the oil and gas industry.

215 companies

ABB

ABB

Swiss industrial multinational employing about 110,000 people, making the electrical and automation gear relied on by refineries, LNG terminals and offshore rigs.

equipment-supplierstechnology-software

ABL Group

ABL Group

Energy and marine consultancy that surveys offshore installations and vessels, advising oil, gas and renewables clients as the ABL brand of the Aqualis group.

inspection-ndtengineering-consulting

ACWA Power

ACWA Power

Saudi-listed developer and operator of power plants, renewable energy, green hydrogen and large-scale seawater desalination across the Middle East and beyond.

power-utilitiesrenewables-transitionwater-environment

ADES Holding

ADES Holding

Saudi drilling contractor running jack-up and onshore rigs across the Middle East, North Africa and Asia, with Saudi Aramco as a long-standing customer.

drilling-contractors

ADNOC

ADNOC

Abu Dhabi National Oil Company (ADNOC) is an oil and gas company founded in 1971 and headquartered in Abu Dhabi, United Arab Emirates. It operates across the entire oil and gas value chain, from exploration to production, processing, distribution and sales.

exploration-productionrefining-petrochemicalstrading-marketing

AFRY

AFRY

Swedish design and consultancy house of 18,000 specialists, formed when ÅF and Pöyry combined, serving power, industrial and transport clients from Stockholm.

engineering-consulting

ASCO Group

ASCO Group

Aberdeen-based energy logistics group operating more than 70 supply bases and warehouses, with freight, fuels, marine agency, lifting assurance and environmental services.

logistics-marine

AVEVA

AVEVA

Cambridge-based industrial software house, part of Schneider Electric, selling plant design, operations, data management and industrial AI products to energy and process plants.

technology-software

Airswift

Airswift

International workforce solutions group for energy, process and technology projects, mobilising contractors through 60 offices from hubs in Houston, Manchester and Singapore.

recruitment

Aker BP

Aker BP

Norwegian independent exploring for and producing oil and gas on the Norwegian continental shelf, operating the Valhall, Ula, Alvheim, Skarv and Edvard Grieg hubs.

exploration-production

Aker Solutions

Aker Solutions

Oslo-quoted builder of subsea production systems and platform topsides for offshore energy operators, with 11,700 staff at 38 sites and maintenance crews.

oilfield-servicesepc-contractorssubsea-services

AlMansoori Specialized Engineering

AlMansoori Specialized Engineering

Abu Dhabi contractor running a fleet of five workover rigs and manufacturing oilfield equipment, with manpower crews on hire to operators since its founding in 1977.

oilfield-services

Alfa Laval

Alfa Laval

Swedish industrial group supplying heat exchangers, separators and fluid handling systems to refineries, LNG and marine fuel applications, carbon capture and hydrogen projects.

equipment-suppliers

Allseas

Allseas

Swiss family business founded in 1985 whose heavy-lift vessels lay trunklines, set and dismantle topsides, and collect polymetallic nodules from the deep seabed.

subsea-services

American Petroleum Institute (API)

American Petroleum Institute (API)

Washington-based trade association for the US natural gas and oil industry, publisher of more than 800 equipment and operating standards used worldwide.

government-associations

Applus+

Applus+

Madrid-headquartered testing, inspection and certification group, now privately held, whose Energy and Industry division covers oil and gas assets onshore and offshore.

inspection-ndtengineering-consulting

Aramco

Aramco

Saudi Aramco, officially Saudi Arabian Oil Company, is Saudi Arabia's national petroleum and natural gas company. Founded in 1933, it operates across the hydrocarbon value chain and is headquartered in Dhahran.

exploration-productionrefining-petrochemicalstrading-marketing

Arcadis

Arcadis

Dutch quoted designer and adviser whose Resilience arm handles flood risk, drinking-water networks, environmental clean-ups and energy transition schemes.

engineering-consultingwater-environment

Aspen Technology (AspenTech)

Aspen Technology (AspenTech)

US industrial software company in Bedford, Massachusetts, now wholly owned by Emerson, supplying process simulation and asset optimisation tools to refineries, plants and grids.

technology-software

AtkinsRéalis

AtkinsRéalis

Montreal engineer listed in Toronto, descended from SNC-Lavalin, keeping CANDU reactors running and serving mines, water and grid schemes for utilities and industry.

engineering-consultingepc-contractors