ExxonMobil tops Fortune 500 list and more Houston energy news to know

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ExxonMobil is the top-ranked Texas company on the Fortune 500 2025. Getty Images

Editor's note: It's time to look back at the biggest energy transition news for the first half of June 2025. Here are the five most-read EnergyCapital stories from June 1-13:

1. Houston earns No. 3 spot among cities with most Fortune 500 headquarters

Twenty-six Houston-area companies landed on the latest Fortune 500 list. Photo via Getty Images

Houston maintained its No. 3 status this year among U.S. metro areas with the most Fortune 500 headquarters. Fortune magazine tallied 26 Fortune 500 headquarters in the Houston area, behind only the New York City area (62) and the Chicago area (30). On the Fortune 500 list for 2025, Spring-based ExxonMobil remained the highest-ranked company based in the Houston area as well as in Texas, sitting at No. 8 nationally. Continue reading.

2. Tech entrepreneur turned climate investor is on a mission to monetize carbon removal

Yao Huang is the guest on the latest episode of the Energy Tech Startups Podcast. Courtesy photo

A seasoned tech entrepreneur turned climate investor, Yao Huang brings sharp clarity to one of the biggest challenges in climate innovation: how do we fund and scale technologies that remove carbon without relying on goodwill or government subsidies? In this episode of the Energy Tech Startups Podcast, Yao sits down for a wide-ranging conversation that redefines how we think about decarbonization. Continue reading.

3. Houston students take home top prizes at DOE wind energy competition

Rice Wind Energy had a strong showing at the DOE's 2025 Collegiate Wind Competition. Photo courtesy Rice University.

The student-led Rice Wind Energy team clinched second place overall at the U.S. Department of Energy’s 2025 Collegiate Wind Competition (CWC), which challenges students nationwide to design and build wind turbines, develop wind energy projects and engage in public outreach to promote renewable energy. Continue reading.

4. Houston biotech company continues to expand in Brazil with new research partner

Cemvita has partnered with Brazilian sustainable research institution REMA. Photo courtesy of Cemvita

Houston biotech company Cemvita has announced a strategic collaboration with Brazilian sustainable research institution REMA. The move aims to promote Cemvita’s platform for evaluating and testing carbon waste streams as feedstocks for producing sustainable oil. Continue reading.

5. 6 Houston energy transition events to attend in June 2025

Meet the newest members of Greentown Labs at Transition on Tap. Photo via Greentown Labs

June has arrived, and with it come more must-attend events in the energy transition sector. Mark your calendar today for these conferences, symposiums, summits, expos, and more. Continue reading.

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Houston earns No. 3 spot among cities with most Fortune 500 headquarters ›

Twenty-six Houston-area companies landed on the latest Fortune 500 list. Photo via Getty Images

Houston earns No. 3 spot among cities with most Fortune 500 headquarters

biggest companies

Last year, 23 Houston-area companies landed on the Fortune 500 list. Fortune bases the list on revenue that a public or private company earns during its 2024 budget year.

On the Fortune 500 list for 2025, Spring-based ExxonMobil remained the highest-ranked company based in the Houston area as well as in Texas, sitting at No. 8 nationally. That’s down one spot from its No. 7 perch on the 2024 list. During its 2024 budget year, ExxonMobil reported revenue of $349.6 billion, up from $344.6 billion the previous year.

Here are the rankings and 2024 revenue for the 25 other Houston-area companies that made this year’s Fortune 500:

No. 16 Chevron, $202.8 billion
No. 28 Phillips 66, $145.5 billion
No. 56 Sysco, $78.8 billion
No. 75 Conoco Phillips, $56.9 million
No. 78 Enterprise Products Partners, $56.2 billion
No. 92 Plains GP Holdings, $50 billion
No. 143 Hewlett-Packard Enterprise, $30.1 billion
No. 153 NRG Energy, $28.1 billion
No. 155 Baker Hughes, $27.8 billion
No. 159 Occidental Petroleum, $26.9 billion
No. 183 EOG Resources, $23.7 billion
No. 184 Quanta Services, $23.7 billion
No. 194 Halliburton, $23 billion
No. 197 Waste Management, $22.1 billion
No. 214 Group 1 Automotive, $19.9 billion
No. 224 Corebridge Financial, $18.8 billion
No. 256 Targa Resources, $16.4 billion
No. 275 Cheniere Energy, $15.7 billion
No. 289 Kinder Morgan, $15.1 billion
No. 345 Westlake Corp., $12.1 billion
No. 422 APA, $9.7 billion
No. 443 NOV, $8.9 billion
No. 450 CenterPoint Energy, $8.6 billion
No. 474 Par Pacific Holdings, $8 billion
No. 480 KBR Inc., $7.7 billion

Nationally, the top five Fortune 500 companies are:

Walmart
Amazon
UnitedHealth Group
Apple
CVS Health

“The Fortune 500 is a literal roadmap to the rise and fall of markets, a reliable playbook of the world's most important regions, services, and products, and an indispensable roster of those companies' dynamic leaders,” Anastasia Nyrkovskaya, CEO of Fortune Media, said in a news release.

Among the states, Texas ranks second for the number of Fortune 500 headquarters (54), preceded by California (58) and followed by New York (53).

Houston-based energy companies have again held a sizable presence on the Fortune 500 ranking. Photo via Getty Images

Houston energy companies score big on annual Fortune 500 ranking

big cos.

Fourteen businesses with global or regional headquarters in the Houston area appear on Fortune’s new list of the world’s 500 biggest companies.

Oil and gas company Saudi Aramco, whose headquarters for the Americas is in Houston, leads the Houston-area pack. With annual revenue of $494.9 billion, it lands at No. 4 on the Fortune Global 500. Ahead of Saudi Aramco are U.S. retailers Walmart and Amazon, and Chinese electric company State Grid.

To put Saudi Aramco’s annual revenue in perspective, the total is slightly above the gross domestic product for the Philippines.

For the third year in a row, Saudi Aramco stands out as the most profitable member of the Fortune Global 500. The company racked up $121 billion in profit last year.

Overall, Saudi Aramco and 32 other petroleum refiners — many of them with a significant presence in the Houston area — made the Fortune Global 500.

“The Global 500 is the ultimate scorecard for business success. The aggregate revenue of the Fortune Global 500 in 2023 reached $41 trillion, a record level. That sum represents more than a third of global GDP — a sign of how much economic power is concentrated in these companies,” Scott DeCarlo, Fortune’s vice president of research, says in a news release.

Here’s the rundown of Fortune Global 500 companies with global or regional headquarters in the Houston area, including the ranking and annual revenue for each:

Saudi Aramco, No. 4, $494.9 billion, Americas headquarters in Houston
ExxonMobil, No. 12, $344.6 billion, global headquarters in Spring
Shell, No. 13, $323.2 billion; U.S. headquarters in Houston
TotalEnergies, No. 23, $218.9 billion, U.S. headquarters in Houston
BP, No. 25, $213 billion, U.S. headquarters in Houston
Chevron, No. 29, $200.9 billion, global headquarters relocating to Houston in 2024
Phillips 66, No. 52, $149.9 billion, global headquarters in Houston
Engie, No. 130, $89.3 billion, North American headquarters in Houston
Sysco, No. 163, $76.3 billion, global headquarters in Houston
ConocoPhillips, No. 235, $58.6 billion, global headquarters in Houston
Enterprise Products Partners, No. 303, $49.7 billion, global headquarters in Houston
Plains GP Holdings, No. 311, $48.7 billion, global headquarters in Houston
LyondellBasell, No. 368, $41.1 billion, global headquarters in Houston
SLB (formerly Schlumberger), No. 479, $33.1 billion, global headquarters in Houston

Fortune uses revenue figures for budget years ending on or before March 31, 2024, to rank the world’s largest companies.

Chevron expects all of its corporate functions to shift to Houston over the next five years. Photo via Getty Images

Following years of speculation, Chevron announces HQ move to Houston

big news

The Energy Capital of the World is adding another jewel to its corporate crown.

With the impending move of Chevron’s headquarters from Northern California to Houston, the Houston area will be home to 24 Fortune 500 companies. Chevron ranks 15th on this year’s Fortune 500.

Oil and gas giant Chevron, currently based in San Ramon, California, will join three Fortune 500 competitors that already maintain headquarters in the Houston area:

Spring-based ExxonMobil, No. 7 on the Fortune 500
Houston-based Phillips 66, No. 26 on the Fortune 500
Houston-based ConocoPhillips, No. 68 on the Fortune 500

Chevron, which posted revenue of $200.9 billion in 2023, employs about 7,000 people in the Houston area and about 2,000 people in San Ramon. The company says its chairman and CEO, Mike Wirth, and vice chairman, Mark Nelson, will move to Houston before the end of 2024.

In an interview with The Wall Street Journal, Wirth acknowledged Chevron’s differences of opinion with California policymakers regarding energy matters.

“We believe California has a number of policies that raise costs, that hurt consumers, that discourage investment and ultimately we think that’s not good for the economy in California and for consumers,” Wirth said.

Chevron expects all of its corporate functions to shift to Houston over the next five years. Jobs that support the company’s California operations will remain in San Ramon, where Chevron employs about 2,000 people. Some Chevron employees in San Ramon will relocate to Houston.

The company’s move to Houston hardly comes as a surprise. Speculation about a relocation to Houston intensified after Chevron sold its 98-acre San Ramon headquarters in 2022 and moved corporate employees to leased office space. Over the past several years, Chevron has shifted various corporate functions to Houston.

“This is just the final step that many industry observers were waiting to happen,” Ken Medlock, senior director of the Baker Institute’s Center for Energy Studies at Rice University, says in a news release.

“To start, Houston provides a world-class location for internationally focused energy companies, which is why there is such a massive international presence here,” Medlock adds. “Texas is also the nation’s largest energy producer across multiple energy sources and is poised to lead in emerging opportunities such as hydrogen and carbon capture, so Houston is a great place for domestically focused activities as well.”

The announcement of Chevron’s exit from California comes just a year after ExxonMobil finalized its relocation from Irving to Spring.

“Chevron’s decision to relocate its headquarters underscores the compelling advantages that position Houston as the prime destination for leading energy companies today and for the future,” Steve Kean, president and CEO of the Greater Houston Partnership, says in a post on the organization’s website.

“With deep roots in our region,” he adds, “Chevron is [a] key player in establishing Houston as a global energy leader. This move will further enhance those efforts.”

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Solar surpasses coal to become ERCOT’s third-largest power source in 2025

by the numbers

Solar barely eclipsed coal to become the third biggest source of energy generated for the Electric Reliability Council of Texas (ERCOT) in 2025, according to new data.

In 2024, solar represented 10 percent of energy supplied to the ERCOT electric grid. Last year, that number climbed to 14 percent. During the same period, coal’s share remained at 13 percent.

From the largest to smallest share, here’s the breakdown of other ERCOT energy sources in 2025 compared with 2024:

Combined-cycle gas: 33 percent, down from 35 percent in 2024
Wind: 23 percent, down from 24 percent in 2024
Natural gas: 8 percent, down from 9 percent in 2024
Nuclear: 8 percent, unchanged from 2024
Other sources: 1 percent, unchanged from 2024

Combined, solar and wind accounted for 37 percent of ERCOT energy sources.

Looking ahead, solar promises to reign as the star of the ERCOT show:

An ERCOT report released in December 2024 said solar is on track to continue outpacing other energy sources in terms of growth of installed generating capacity, followed by battery energy storage.
In December, ERCOT reported that more than 11,100 megawatts of new generating capacity had been added to its grid since the previous winter. One megawatt of electricity serves about 250 homes in peak-demand periods. Battery energy storage made up 47 percent of the new capacity, with solar in second place at 40 percent.

The mix of ERCOT’s energy is critical to Texas’ growing need for electricity, as ERCOT manages about 90 percent of the electric load for the state, including the Houston metro area. Data centers, AI and population growth are driving heightened demand for electricity.

In the first nine months of 2025, Texas added a nation-leading 7.4 gigawatts of solar capacity, according to a report from data and analytics firm Wood Mackenzie and the Solar Energy Industries Association.

“Remarkable growth in Texas, Indiana, Utah and other states ... shows just how decisively the market is moving toward solar,” says Abigail Ross Hopper, president and CEO of the solar association.

New UH white paper pushes for national plastics recycling policy

plastics paper

The latest white paper from the University of Houston’s Energy Transition Institute analyzes how the U.S. currently handles plastics recycling and advocates for a national, policy-driven approach.

Ramanan Krishnamoorti, vice president for energy and innovation at UH; Debalina Sengupta, assistant vice president and chief operating officer at the Energy Transition Institute; and UH researcher Aparajita Datta authored the paper titled “Extended Producer Responsibility (EPR) for Plastics Packaging: Gaps, Challenges and Opportunities for Policies in the United States.” In the paper, the scientists argue that the current mix of state laws and limited recycling infrastructure are holding back progress at the national level.

EPR policies assign responsibility for the end-of-life management of plastic packaging to producers or companies, instead of taxpayers, to incentivize better product design and reduce waste.

“My hope is this research will inform government agencies on what policies could be implemented that would improve how we approach repurposing plastics in the U.S.,” Krishnamoorti said in a news release. “Not only will this information identify policies that help reduce waste, but they could also prove to be a boon to the circular economy as they can identify economically beneficial pathways to recycle materials.”

The paper notes outdated recycling infrastructure and older technology as roadblocks.

Currently, only seven states have passed EPR laws for plastic packaging. Ten others are looking to pass similar measures, but each looks different, according to UH. Additionally, each state also has its own reporting system, which leads to incompatible datasets. Developing national EPR policies or consistent nationwide standards could lead to cleaner and more efficient processes, the report says.

The researchers also believe that investing in sorting, processing facilities, workforce training and artificial intelligence could alleviate issues for businesses—and particularly small businesses, which often lack the resources to manage complex reporting systems. Digital infrastructure techniques and moving away from manual data collection could also help.

Public education on recycling would also be “imperative” to the success of new policies, the report adds.

“Experts repeatedly underscored that public education and awareness about EPR, including among policymakers, are dismal,” the report reads. “Infrastructural limitations, barriers to access and the prevailing belief that curbside recycling is ineffective in the U.S. contribute to public dissatisfaction, misinformation and, in some cases, opposition toward the use of taxpayers’ and ratepayers’ contributions for EPR.”

For more information, read the full paper here.

Investment bank opens energy-focused office in Houston

new to hou

Investment bank Cohen & Co. Capital Markets has opened a Houston office to serve as the hub of its energy advisory business and has tapped investment banking veteran Rahul Jasuja as the office’s leader.

Jasuja joined Cohen & Co. Capital Markets, a subsidiary of financial services company Cohen & Co., as managing director, and head of energy and energy transition investment banking. Cohen’s capital markets arm closed $44 billion worth of deals last year.

Jasuja previously worked at energy-focused Houston investment bank Mast Capital Advisors, where he was managing director of investment banking. Before Mast Capital, Jasuja was director of energy investment banking in the Houston office of Wells Fargo Securities.

“Meeting rising [energy] demand will require disciplined capital allocation across traditional energy, sustainable fuels, and firm, dispatchable solutions such as nuclear and geothermal,” Jasuja said in a news release. “Houston remains the center of gravity where capital, operating expertise, and execution come together to make that transition investable.”

The Houston office will focus on four energy verticals:

Energy systems such as nuclear and geothermal
Energy supply chains
Energy-transition fuel and technology
Traditional energy

“We are making a committed investment in Houston because we believe the infrastructure powering AI, defense, and energy transition — from nuclear to rare-earth technology — represents the next secular cycle of value creation,” Jerry Serowik, head of Cohen & Co. Capital Markets, added in the release.

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