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Top 100 energy companies in North America

Tamtam tracks 3,542 energy companies headquartered in North America. This list ranks the 100 largest by number of employees on LinkedIn, led by Brookfield Asset Management, Tesla Austria GmbH and Koch Ag & Energy Solutions. Their median headcount is 12,253. Half of them were founded in 1944 or later. The most common headquarters are Houston (22), Calgary (4) and Columbus (3).

馃實 North America100 companiesUpdated Nov 15, 2026

These North American companies are primarily involved in energy, manufacturing, and financial services, with a focus on large, established enterprises. Noteworthy examples include Brookfield Asset Management, which provides investment management services for real estate and utilities, and Tesla Austria GmbH, focused on sustainable energy through electric vehicles. Koch Ag & Energy Solutions operates diverse global industries, while GE advances aviation and energy technologies. SLB develops advanced technologies for energy access, and Baker Hughes provides innovative energy solutions.

A common thread among many of these companies is their long history, with several founded in the early to mid-20th century. A significant cluster of headquarters is observed in Houston, indicating a concentration of oil and gas as well as energy technology firms in that city.

#CompanyIndustryHeadquarters EmployeesFounded
1
Brookfield Asset Managementbrookfield.com

Provides investment management services for businesses including real estate and utilities. Focused on asset management across various sectors.

Financial Services 馃嚚馃嚘 New York 180,000 1899
2
Tesla Austria GmbHtesla.com

A company focused on accelerating the world's transition to sustainable energy through electric vehicles and clean energy generation and storage solutions

Manufacturing 馃嚭馃嚫 Austin 128,000 2003
3
Koch Ag & Energy Solutionskochinc.com

Operating diverse global industries worldwide, this company focuses on improving essential aspects of life such as food, clothing, water, transportation, and technology, with 120,000 employees.

Oil and Gas 馃嚭馃嚫 Wichita 120,000 1940
4
GEge.com

Focus on advancing aviation and energy industries through innovative technologies and solutions shared via specialized aerospace and energy platforms.

Industrial Machinery Manufacturing 馃嚭馃嚫 Boston 99,488 n/a
5
SLBslb.com

Global innovators developing advanced technologies to unlock energy access while reducing carbon emissions through sustainable engineering and diverse technical change maker expertise.

Technology, Information and Internet 馃嚭馃嚫 Houston 79,707 n/a
6
GE Vernovalinktr.ee

A purpose-built company focused on electrifying the planet and decarbonizing it through a diverse portfolio of energy businesses, ensuring reliable and sustainable energy

Energy Technology 馃嚭馃嚫 Boston 70,646 n/a
7
Baker Hughesbakerhughes.com

Energy technology company providing innovative solutions globally, focusing on safety, efficiency, and sustainability in the energy and industrial sectors

Energy Technology 馃嚭馃嚫 Houston 67,440 n/a
8
Caterpillar Inc.caterpillar.com

A global leader in manufacturing construction and mining equipment, engines, turbines, and locomotives, focused on sustainability and providing value to customers worldwide

Machinery Manufacturing 馃嚭馃嚫 Irving 62,810 1925
9
Halliburtonhalliburton.com

Collaborates to engineer solutions maximizing energy asset value, from locating hydrocarbons, managing data, drilling, evaluating, and constructing wells, to optimizing production.

Oil and Gas 馃嚭馃嚫 Houston 60,277 1919
10
Cummins Inc.cummins.com

empowering diverse professionals through career growth, innovation, and development in engineering, manufacturing, marketing, and supply chain roles worldwide

Motor Vehicle Manufacturing 馃嚭馃嚫 Columbus 60,000 n/a
11
Chevronchevron.com

The company values its people and their innovation in tackling energy challenges, fostering open and respectful communication on LinkedIn

Oil and Gas 馃嚭馃嚫 Houston 55,495 n/a
12
Amentumamentum.com

Amentum is a global leader in engineering, project management, and solutions integration, specializing in modernizing critical missions worldwide with speed and confidence

Defense and Space Manufacturing 馃嚭馃嚫 Chantilly 50,000 n/a
13
Circle Kcirclek.com

Global convenience and fuel retail business providing everyday services across fourteen thousand locations in twenty-six countries to make customer journeys a little easier.

Retail 馃嚚馃嚘 Laval 47,769 1951
14
PEMEXpemex.com

A leading Mexican company in the oil industry, involved in exploration, production, distribution, and petrochemicals Major contributor to the country's economy and social development

Oil and Gas 馃嚥馃嚱 Mexico City 45,692 1938
15
ADMadm.com

Global nutrition company transforming industries with plant-based solutions, sustainable practices, and cutting-edge innovations for a healthier, more environmentally friendly future

Food and Beverage Manufacturing 馃嚭馃嚫 Chicago 42,789 1902
16
NOVnov.com

Provider of technology-driven solutions for the global energy industry, enabling safe energy production, environmental impact reduction, and advancing towards a more sustainable future

Oil and Gas 馃嚭馃嚫 Houston 37,645 n/a
17
GE Aerospacegeaerospace.com

A global provider of jet and turboprop engines, components, and systems for various types of aircraft, enhancing the world through flight

Aviation and Aerospace Component Manufacturing 馃嚭馃嚫 Cincinnati 37,191 n/a
18
Koch Engineered Solutionskochengineeredsolutions.com

A provider of uniquely engineered solutions in construction, mass transfer, combustion control, filtration, materials applications, and automation as a subsidiary of Koch Industries

Oil and Gas 馃嚭馃嚫 Wichita 29,952 n/a
19
WMwm.com

Provides comprehensive waste collection, disposal, recycling, and renewable energy solutions tailored to municipal, commercial, industrial, and residential customers.

Environmental Services 馃嚭馃嚫 Houston 28,255 n/a
20
Dominion Energydominionenergy.com

A company headquartered in Richmond, Va, providing electricity and natural gas to 7 million customers in 15 states with a focus on sustainability and safety

Utilities 馃嚭馃嚫 Richmond 27,676 n/a
21
PT PLN (Persero)pln.co.id

Sole provider of electricity in Indonesia, striving to improve service quality, with a long history and significant assets in the industry

Utilities 馃嚭馃嚫 Jakarta Selatan 26,545 1945
22
Duke Energy Corporationduke-energy.com

Electric and natural gas utilities serving millions, focusing on clean energy transition, grid upgrades, and net-zero emissions goals.

Utilities 馃嚭馃嚫 Charlotte 25,788 n/a
23
Carriercarrier.com

A global leader in intelligent climate and energy solutions, pioneering new technologies and industries for a safer, sustainable, and comfortable world

Wholesale Building Materials 馃嚭馃嚫 Palm Beach Gardens 25,379 n/a
24
Pacific Gas and Electric Companypge.com

Transmission and delivery of natural gas and electricity to approximately 15 million customers across a large service area in California.

Utilities 馃嚭馃嚫 Oakland 23,550 n/a
25
McDermott International, Ltdmcdermott.com

Engineering and construction solutions for global energy industry, focusing on sustainable energy infrastructure and energy transition projects worldwide.

Oil and Gas 馃嚭馃嚫 Houston 23,162 n/a
26
Republic Servicesrepublicservices.com

An industry leader in environmental services, providing innovative solutions for waste management, recycling, and sustainability to create cleaner and more sustainable communities

Environmental Services 馃嚭馃嚫 Phoenix 21,081 1998
27
Casey'scaseys.com

A convenience store chain founded in 1959, known for clean stores, friendly service, fresh food, and a focus on small communities

Food and Beverage Services 馃嚭馃嚫 Ankeny 20,674 1968
28
Exelonexeloncorp.com

A leading utility company providing reliable and affordable energy to over 10 million customers in urban areas across multiple states, with a commitment to sustainability and community support

Utilities 馃嚭馃嚫 Chicago 20,291 n/a
29
Tenaristenaris.com

A leading supplier of tubes and services for the energy industry and other industrial applications, with a global workforce committed to continuous improvement

Oil and Gas 馃嚭馃嚫 Houston 20,000 2002
30
Air Productsairproducts.com

Supplier of industrial gases serving over 250,000 customers in more than 50 countries worldwide with diverse applications.

Chemical Manufacturing 馃嚭馃嚫 Allentown 20,000 1940
31
Cameron Productsslb.com

A leading provider of flow equipment products, systems, and services for the global oil, gas, and process industries, with a strong global network

Oil and Gas 馃嚭馃嚫 Houston 18,396 n/a
32
GE Powergepower.com

A global energy leader offering technology, solutions, and services spanning the energy value chain, serving customers in over 150 countries

Renewable Energy Semiconductor Manufacturing 馃嚭馃嚫 Schenectady 17,248 n/a
33
Marathon Petroleum Corporationmarathonpetroleum.com

Operates the nation's largest refining system, markets petroleum products, and manages midstream assets for gathering, processing, and transportation.

Oil and Gas 馃嚭馃嚫 Findlay 17,048 1887
34
ConocoPhillipsconocophillips.com

A global oil and gas company focusing on safely finding and delivering energy worldwide while fostering a great workplace and community

Oil and Gas 馃嚭馃嚫 Houston 16,478 2012
35
Oxyoxy.com

An international energy company with assets in the US, Middle East, and North Africa, focused on oil production, midstream services, chemical manufacturing, and carbon reduction technologies

Oil and Gas 馃嚭馃嚫 Houston 16,319 n/a
36
NRG Energynrg.com

Provides innovative natural gas, electricity, and smart home energy solutions to a diverse range of customers across North America.

Consumer Services 馃嚭馃嚫 Houston 16,171 1989
37
Hydro Qu茅bechydroquebec.com

Production, transmission, and distribution of electricity primarily from renewable hydroelectric sources, including research and technology development in energy efficiency.

Renewable Energy Power Generation 馃嚚馃嚘 Montreal 16,160 1944
38
Love's Travel Stopsloves.com

Family-owned company operating over 600 travel stops across 42 states, emphasizing clean facilities, friendly service, and strong core values.

Retail 馃嚭馃嚫 Oklahoma City 15,823 1964
39
LyondellBaselllyondellbasell.com

Leading global chemical company producing innovative polymers and polyolefins for sustainable transportation, food safety, clean water, and healthcare applications.

Chemical Manufacturing 馃嚭馃嚫 Houston 15,172 2007
40
Suncorsuncor.com

Commercial oil sands development, upgrading, offshore oil and gas production, petroleum refining, and product marketing under Petro-Canada brand.

Oil and Gas 馃嚚馃嚘 Calgary 14,758 1967
41
Flowserve Corporationflowserve.com

Global manufacturer of pumps, valves, and seals with a rich heritage, providing innovative solutions for industries worldwide through experience, leadership, and creativity

Industrial Machinery Manufacturing 馃嚭馃嚫 Irving 14,750 1997
42
Phillips 66phillips66.com

A global energy company focused on manufacturing petroleum products, natural gas processing, and petrochemical production, prioritizing safety, honor, and commitment

Oil and Gas 馃嚭馃嚫 Houston 14,000 n/a
43
Oceaneeringoceaneering.com

Global technology company providing engineered services, products, and robotic solutions to offshore energy, defense, aerospace, and manufacturing industries worldwide

Oil and Gas 馃嚭馃嚫 Houston 13,838 1964
44
Constellationconstellationenergy.com

Leader in clean energy production and services, accelerating transition to carbon-free future through diverse energy portfolio, sustainability initiatives, and technology investments

Utilities 馃嚭馃嚫 Baltimore 13,291 n/a
45
American Electric Poweraep.com

The company is focused on reducing carbon footprint, empowering communities, developing workforce, shifting to clean energy sources, and building stronger communities for the future

Utilities 馃嚭馃嚫 Columbus 13,166 n/a
46
Westinghouse Electric Companywestinghousenuclear.com

Global leader in providing safe and innovative nuclear technology, offering reliable power plants, fuel, automation, and services with a focus on safety and sustainability

Utilities 馃嚭馃嚫 Cranberry Township 12,786 1886
47
Southern California Edison (SCE)sce.com

A leading electric utility in Southern California focused on bringing clean and renewable energy sources to reduce emissions and promote innovation

Utilities 馃嚭馃嚫 Rosemead 12,652 1886
48
NextEra Energy, Inc.nexteraenergy.com

Leading electric utility company providing reliable electricity to millions, developing diverse energy sources including natural gas, nuclear, renewables, and battery storage.

Utilities 馃嚭馃嚫 Juno Beach 12,649 n/a
49
Tranetrane.com

It specializes in building technology and energy solutions, offering innovative technologies and personalized solutions for current and future needs.

Industrial Machinery Manufacturing 馃嚭馃嚫 12,282 1913
50
Entergyentergy.com

This company provides safe, affordable, and reliable energy to the Middle South region, with a focus on clean power generation and community impact

Utilities 馃嚭馃嚫 New Orleans 12,253 1913

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51
Comisi贸n Federal de Electricidadcfe.gob.mx

A Mexican government company generates, transmits, distributes, and sells electricity to millions of customers using various technologies and energy sources

Renewable Energy Semiconductor Manufacturing 馃嚥馃嚱 Cd. de M茅xico 12,233 1937
52
CB&Icbi.com

Global leader in designing and building storage facilities, tanks, and terminals with extensive experience and expertise in delivering world-class storage solutions

Oil and Gas 馃嚭馃嚫 The Woodlands 12,096 n/a
53
Xcel Energyxcelenergy.com

providing reliable, resilient, and sustainable energy services to customers across eight states, focusing on excellent service and growth opportunities

Utilities 馃嚭馃嚫 Minneapolis 12,073 n/a
54
Southern Companysoutherncompany.com

A company and its subsidiaries provide clean, safe, reliable energy to 9 million customers with a focus on service excellence, community value, and net zero emissions by 2050

Utilities 馃嚭馃嚫 Atlanta 12,062 n/a
55
Enbridgeenbridge.com

This company is a leading provider of energy infrastructure, delivering reliable and affordable energy sources while investing in modern infrastructure and resilient communities

Oil and Gas 馃嚚馃嚘 Calgary 11,855 n/a
56
Black & Veatchbv.com

An employee-owned global leader in building critical human infrastructure in Energy, Water, Telecommunications, and Government Services since 1915

Engineering Services 馃嚭馃嚫 Overland Park 11,691 1915
57
H&Phelmerichpayne.com

Provider of advanced drilling technologies and solutions enhancing productivity, reliability, safety, and efficiency in land, international, and offshore operations.

Oil and Gas 馃嚭馃嚫 Tulsa 11,576 1920
58
Panasonic North Americabit.ly

Leading technology partner providing integrated solutions across various industries like automotive, energy, retail, and more to create breakthrough technologies for a better life and world

Appliances, Electrical, and Electronics Manufacturing 馃嚭馃嚫 Newark 11,525 1918
59
General Atomicsga.com

Development of advanced technology solutions including unmanned aerial vehicles, research reactors, aircraft systems, MagLev transport, and fusion energy for global customers.

Defense and Space Manufacturing 馃嚭馃嚫 San Diego 11,213 n/a
60
Valerovalero.com

Manufacturing, marketing transportation fuels, petrochemical products. Operating petroleum refineries, ethanol plants, and renewable diesel facilities for wholesale markets.

Oil and Gas 馃嚭馃嚫 San Antonio 11,096 1980
61
City of Seattleseattle.gov

Providing diverse public services across multiple departments to support community well-being, infrastructure, and inclusive city development.

Government Administration 馃嚭馃嚫 Seattle 10,924 n/a
62
Sunrunsunrun.com

Provides a modern energy experience, offering freedom to power life with reliable, affordable solar energy directly from the sun for homes.

Services for Renewable Energy 馃嚭馃嚫 San Francisco 10,677 2007
63
Canadian Natural Resources Limited (CNRL)cnrl.com

Global independent crude oil and natural gas producer with diverse operations in North America, North Sea, and Offshore Africa.

Oil and Gas 馃嚚馃嚘 Calgary 9,936 1989
64
Ontario Power Generationopg.com

Leading clean power generator advancing clean energy innovations, striving for a net-zero future with diverse electricity generation fleet in Ontario and the United States

Utilities 馃嚚馃嚘 Toronto 9,878 1999
65
Con Edisonconed.com

Providing reliable electricity to millions, focusing on clean energy transition, energy efficiency, and infrastructure resilience against extreme weather.

Utilities 馃嚭馃嚫 New York 9,822 n/a
66
CHS Inc.chsinc.com

A global agribusiness offering energy, grains, foods, and agricultural services to farmers, ranchers, and cooperatives for business growth and sustainability

Farming 馃嚭馃嚫 Minnesota 9,750 n/a
67
DTE Energydteenergy.com

Provides diversified energy solutions including renewable energy, emission control technologies, and energy services primarily serving Michigan communities.

Utilities 馃嚭馃嚫 Detroit 9,635 n/a
68
EG Americaeg-america.com

A rapidly growing convenience store retailer in the US, part of a global company, offering top-notch products and services nationwide

Retail 馃嚭馃嚫 Westborough 9,343 2019
69
ITT Inc.itt.com

A global technology company providing cutting-edge solutions in motion technologies, industrial process, and connect and control technologies across various industries worldwide

Industrial Machinery Manufacturing 馃嚭馃嚫 Stamford 9,330 n/a
70
Kinder Morgan, Inc.kindermorgan.com

Transports and stores natural gas, refined petroleum products, crude oil, CO2, and renewable fuels through extensive pipelines and terminals across North America.

Oil and Gas 馃嚭馃嚫 Houston 9,312 1997
71
City of Austinaustintexas.gov

Local government managing city employees, providing public services, promoting transparency, innovation, and maintaining high quality of life standards.

Government Administration 馃嚭馃嚫 Austin 8,954 1839
72
Exproexpro.com

This company provides innovative technologies and high-quality data to support decision-making in energy operations, focusing on well construction and production

Oil and Gas 馃嚭馃嚫 Houston 8,906 1973
73
Toshibatoshiba.com

A global technology company focusing on energy, infrastructure, electronics, and digital solutions to create a sustainable future for generations to come

Appliances, Electrical, and Electronics Manufacturing 馃嚭馃嚫 Irvine 8,787 1965
74
Tennessee Valley Authoritytva.com

A self-financing government-owned power provider focusing on delivering affordable electricity, environmental stewardship, and economic development in the Tennessee Valley region

Utilities 馃嚭馃嚫 Knoxville 8,616 1933
75
PSEGlanding.pseg.com

Delivering electricity and gas services to millions of customers in New Jersey and Long Island, while prioritizing sustainability, community investment, and workforce development

Utilities 馃嚭馃嚫 Newark 8,371 1903
76
Eversource Energyeversource.com

A Fortune 500 energy company in New England, prioritizing safety, reliability, environmental leadership, and energy options for millions of customers

Utilities 馃嚭馃嚫 Hartford 8,353 n/a
77
TC Energytcenergy.com

The company is focused on assisting the world in transitioning to cleaner energy while meeting global demand through innovative solutions

Oil and Gas 馃嚚馃嚘 Calgary 8,243 1951
78
Zachry Groupzachrygroup.com

Turnkey engineering, construction, maintenance, turnaround, and fabrication services for energy, chemicals, power, manufacturing, and industrial sectors with high safety standards.

Construction 馃嚭馃嚫 San Antonio 8,087 n/a
79
Loews Corporationloews.com

Diversified company managing subsidiaries in insurance, pipelines, hotels, and packaging, providing strategic direction and corporate services to all.

Investment Management 馃嚭馃嚫 New York 8,020 n/a
80
Florida Power & Lightfpl.com

Leading electric utility in America, providing affordable, reliable, and clean electricity to over 12 million people in Florida Recognized for exceptional reliability

Utilities 馃嚭馃嚫 Juno Beach 7,783 1925
81
Solar Turbinessolarturbines.com

Manufacturer of industrial gas turbines, compressors, and generator sets used in oil, gas, and power generation projects globally.

Oil and Gas 馃嚭馃嚫 San Diego 7,656 1927
82
Hubbell Incorporatedhubbell.com

Manufacturer of utility and electrical solutions focused on grid modernization, clean energy, electrification, and energy efficiency worldwide.

Appliances, Electrical, and Electronics Manufacturing 馃嚭馃嚫 Shelton 7,655 1888
83
Nabors Industriesnabors.com

Provider of advanced drilling rigs, automation, and engineering solutions for safe, efficient, and responsible energy production worldwide.

Oil and Gas 馃嚭馃嚫 Houston 7,492 1952
84
Schweitzer Engineering Laboratories (SEL)selinc.com

The company provides products and services for power system protection, monitoring, control, automation, communications, and metering with a focus on safety, reliability, and cost-effectiveness

Utilities 馃嚭馃嚫 Pullman 7,267 1982
85
OneSubseaonesubsea.slb.com

A leading subsea technology provider focused on innovation to improve asset performance, increase energy efficiency, reduce emissions, and accelerate the energy transition

Oil and Gas 馃嚭馃嚫 Houston 7,149 2023
86
PPL Corporationpplweb.com

Providing electricity to millions, building smarter, resilient power grids, advancing sustainable energy solutions, and fostering inclusive work environments.

Utilities 馃嚭馃嚫 Allentown 7,118 1920
87
Avangridavangrid.com

A leading sustainable energy company with a focus on transitioning America to a clean future through its Networks and Renewables businesses

Utilities 馃嚭馃嚫 Orange 7,096 n/a
88
Amerenameren.com

A Fortune 500 company based in St Louis, providing electric and natural gas services to millions of customers in Illinois and Missouri

Utilities 馃嚭馃嚫 St. Louis 7,092 1902
89
CenterPoint Energycenterpointenergy.com

An investor-owned energy delivery company with operations in electric transmission, power generation, and natural gas distribution serving over 7 million customers

Utilities 馃嚭馃嚫 Houston 7,080 1866
90
ATCOatco.com

Global diversified corporation with over 7,100 employees and $24 billion assets, providing essential services across multiple industries worldwide.

Utilities 馃嚚馃嚘 Canada 7,064 1947
91
BC Hydrobchydro.com

Generate and deliver electricity to 95% of British Columbia's population, serving over four million people with reliable power.

Utilities 馃嚚馃嚘 Vancouver 6,996 n/a
92
Williamswilliams.com

Provides transport, storage, and delivery solutions for clean energy, operating critical infrastructure to support a low-carbon energy future.

Oil and Gas 馃嚭馃嚫 Tulsa 6,995 1908
93
Emerson Network Powervertiv.com

Global leader in critical infrastructure technologies & services for ICT systems Offers hardware & software solutions for power, thermal, & infrastructure management to create efficient networks

Appliances, Electrical, and Electronics Manufacturing 馃嚭馃嚫 Columbus 6,993 n/a
94
Enterprise Productsenterpriseproducts.com

Provider of midstream energy services in North America, offering growth opportunities, competitive compensation, and comprehensive employee benefits.

Oil and Gas 馃嚭馃嚫 Houston 6,939 1968
95
Consumers Energycareers.consumersenergy.com

Consumers Energy is Michigan's energy provider offering careers in a dynamic industry focused on safe, efficient, and sustainable energy generation

Utilities 馃嚭馃嚫 Jackson 6,839 1886
96
First Solarfirstsolar.com

Leading American company specializing in advanced thin film photovoltaic technology, manufacturing high-performance solar modules for reliable power generation.

Energy Technology 馃嚭馃嚫 Tempe 6,686 1999
97
NiSourcenisource.com

A utility company serving 4 million customers across 6 states with safe, reliable, and affordable gas and electric services, investing in infrastructure for the future

Utilities 馃嚭馃嚫 Merrillville 6,597 n/a
98
Noble Corporationnoblecorp.com

Leading offshore drilling contractor operating advanced fleet focused on ultra-deepwater and high-specification jackup drilling worldwide.

Oil and Gas 馃嚭馃嚫 Houston 6,572 1921
99
Xignuxxignux.com

A leading company in energy and food industries, employing over 30,000 people in Mexico, the United States, and Brazil for a better world

Executive Offices 馃嚥馃嚱 San Pedro Garza Garc铆a 6,553 n/a
100
Praxair, Inc - a Linde Companylindeus.com

A global leader in industrial gases and engineering, providing high-quality gases, technologies, and services to diverse markets while promoting sustainability and productivity

Chemical Manufacturing 馃嚭馃嚫 Danbury 6,549 n/a

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How this list is built

Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 15, 2026.

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