Houston companies score big on annual Fortune 500 ranking

by the numbers

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

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.

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This article originally ran on EnergyCapital.

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Business and government leaders in the Houston area hope the region can become a hub for CCS activity. Photo via Getty Images

3 businesses join Houston initiative for carbon capture and storage

seeing green

Three big businesses — Air Liquide, BASF, and Shell — have added their firepower to the effort to promote large-scale carbon capture and storage for the Houston area’s industrial ecosystem.

These companies join 11 others that in 2021 threw their support behind the initiative. Participants are evaluating how to use safe carbon capture and storage (CCS) technology at Houston-area facilities that provide energy, power generation, and advanced manufacturing for plastics, motor fuels, and packaging.

Other companies backing the CCS project are Calpine, Chevron, Dow, ExxonMobil, INEOS, Linde, LyondellBasell, Marathon Petroleum, NRG Energy, Phillips 66, and Valero.

Business and government leaders in the Houston area hope the region can become a hub for CCS activity.

“Large-scale carbon capture and storage in the Houston region will be a cornerstone for the world’s energy transition, and these companies’ efforts are crucial toward advancing CCS development to achieve broad scale commercial impact,” Charles McConnell, director of University of Houston’s Center for Carbon Management in Energy, says in a news release.

McConnell and others say CCS could help Houston and the rest of the U.S. net-zero goals while generating new jobs and protecting current jobs.

CCS involves capturing carbon dioxide from industrial activities that would otherwise be released into the atmosphere and then injecting it into deep underground geologic formations for secure and permanent storage. Carbon dioxide from industrial users in the Houston area could be stored in nearby onshore and offshore storage sites.

An analysis of U.S Department of Energy estimates shows the storage capacity along the Gulf Coast is large enough to store about 500 billion metric tons of carbon dioxide, which is equivalent to more than 130 years’ worth of industrial and power generation emissions in the United States, based on 2018 data.

“Carbon capture and storage is not a single technology, but rather a series of technologies and scientific breakthroughs that work in concert to achieve a profound outcome, one that will play a significant role in the future of energy and our planet,” says Gretchen Watkins, U.S. president of Shell. “In that spirit, it’s fitting this consortium combines CCS blueprints and ambitions to crystalize Houston’s reputation as the energy capital of the world while contributing to local and U.S. plans to help achieve net-zero emissions.”

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2 Houston universities among world's best and more innovation news to know

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Editor's note: We're looking back at the biggest Houston business and innovation news from the first half of July. From the world's best universities to innovative cybersecurity staffing, catch up on the top InnovationMap stories from July 1-15 below:

2 Houston universities declared among world’s best in 2026 rankings

Rice is the No. 2 best school in Texas, and No. 119 in the world. Photo via Rice University

Two Houston universities are in a class of their own, earning top spots on a new global ranking of the world's best universities.

Rice University and University of Houston are among the top 1,200 schools included in the QS World University Rankings 2026. Ten more schools across Texas make the list. Continue reading.

Texas cybersecurity co. expands unique train-to-hire model to Houston

San Antonio-based Nukudo is bridging the global cybersecurity talent gap through immersive training and job placement in Houston. Photo via Getty Images

It’s increasingly more difficult to ensure the confidentiality, integrity, and availability of proprietary data and information in the ever-changing, ever-evolving digital world. Cyberattacks, including malware, phishing, and ransomware, are becoming increasingly common and sophisticated, posing a consistent threat to a company’s sustainability and bottom line.

To combat that trend, Nukudo, a San Antonio-based cybersecurity workforce development company, is expanding its initiative to bridge the global cybersecurity talent gap through immersive training and job placement to Houston. Continue reading.

Houston hospital performs first fully robotic heart transplant in the U.S.

Dr. Kenneth Liao and a team at Baylor St. Luke’s Medical Center used a surgical robot to implant a new heart in a 45-year-old male patient. Photo courtesy Baylor College of Medicine.

A team at Baylor St. Luke’s Medical Center, led by Dr. Kenneth Liao, successfully performed the first fully robotic heart transplant in the United States earlier this year, the Houston hospital recently shared.

Liao, a professor and chief of cardiothoracic transplantation and circulatory support at Baylor College of Medicine and chief of cardiothoracic transplantation and mechanical circulatory support at Baylor St. Luke’s Medical Center, used a surgical robot to implant a new heart in a 45-year-old male patient through preperitoneal space in the abdomen by making small incisions. Continue reading.

New Houston biotech co. developing capsules for hard-to-treat tumors

Sentinel BioTherapeutics is developing cytokine interleukin-2 (IL-2) capsules to fight many solid tumors. Photo via Getty Images.

Houston company Sentinel BioTherapeutics has made promising headway in cancer immunotherapy for patients who don’t respond positively to more traditional treatments.

The team sees an opportunity to use cytokine interleukin-2 (IL-2) capsules to fight many solid tumors for which immunotherapy hasn't been effective in the past. “We plan to develop a pipeline of drugs that way,” Sentinel CEO Rima Chakrabarti says. Continue reading.

Greentown Labs names Lawson Gow as its new Houston leader

Lawson Gow, founder of The Cannon, will lead Greentown Houston. Photo courtesy Greentown Labs.

Greentown Labs has named Lawson Gow as its Head of Houston.

Gow is the founder of The Cannon, a coworking space with seven locations in the Houston area, with additional partner spaces. According to Greentown, Gow will "enhance the founder experience, cultivate strategic partnerships, and accelerate climatetech solutions" in his new role. Continue reading.

Houston space companies land $150M NASA contract for vehicles and robots

space simulations

Houston-based MacLean Engineering and Applied Technology Services LLC, known as METECS, has received a five-year contract from NASA to develop simulations and software services for space-based vehicles and robots, with a maximum value of $150 million.

Two other Houston-area companies, Tietronix Software Inc. and Vedo Systems LLC, were assigned as subcontractors for the award.

"This award is a strong testament to NASA’s continued trust in the quality of our work and their confidence in our ongoing support of the human spaceflight program," John MacLean, president of METECS said in a release.

According to NASA, the awardees are tasked with providing:

  • Simulation and software services for space-based vehicle models and robotic manipulator systems
  • Human biomechanical representations for analysis and development of countermeasure devices
  • Guidance, navigation, and control of space-based vehicles for all flight phases
  • Space-based vehicle on-board computer systems simulations of flight software systems
  • Astronomical object surface interaction simulation of space-based vehicles
  • Graphics support for simulation visualization and engineering analysis
  • Ground-based and onboarding systems to support human-in-the-loop training

The contract is called Simulations and Advanced Software Services II (SASS II), and begins in October. This is the second time METECS has received the SASS award. The first also ran for five years and launched in 2020, according to USASpending.gov.

METECS specializes in simulation, software, robotics and systems analysis. It has previously supported NASA programs, including Orion, EHP, HLS, Lunar Gateway and Artemis. It also serves the energy, agriculture, education and construction sectors.

Tietronix Software has won numerous awards from NASA. Most recently, it won the NASA JSC Exceptional Software Award (2017). Some of its other customers include Houston Independent School District, Baylor College of Medicine, DARPA and Houston Methodist.

Video Systems offers software for implementing human-rated, AI and autonomous systems, as well as engineering services to address the needs of spaceflight and defense. The company has previously worked with NASA and METECS, as well as Axiom Space and defense contractor Lockheed Martin.

The three companies are headquartered near NASA’s Johnson Space Center in Houston.

Greentown Labs names Lawson Gow as its new Houston leader

head of hou

Greentown Labs has named Lawson Gow as its Head of Houston.

Gow is the founder of The Cannon, a coworking space with seven locations in the Houston area, with additional partner spaces. He also recently served as managing partner at Houston-based investment and advisory firm Helium Capital. Gow is the son of David Gow, founder of Energy Capital's parent company, Gow Media.

According to Greentown, Gow will "enhance the founder experience, cultivate strategic partnerships, and accelerate climatetech solutions" in his new role.

“I couldn’t be more excited to join Greentown at this critical moment for the energy transition,” Gow said in a news release. “Greentown has a fantastic track record of supporting entrepreneurs in Houston, Boston, and beyond, and I am eager to keep advancing our mission in the energy transition capital of the world.”

Gow has also held analyst, strategy and advising roles since graduating from Rice University.

“We are thrilled to welcome Lawson to our leadership team,” Georgina Campbell Flatter, CEO of Greentown Labs, added in the release. “Lawson has spent his career building community and championing entrepreneurs, and we look forward to him deepening Greentown’s support of climate and energy startups as our Head of Houston.”

Gow is the latest addition to a series of new hires at Greentown Labs following a leadership shakeup.

Flatter was named as the organization's new CEO in February, replacing Kevin Dutt, Greentown’s interim CEO, who replaced Kevin Knobloch after he announced that he would step down in July 2024 after less than a year in the role.

Greentown also named Naheed Malik its new CFO in January.

Timmeko Moore Love was named the first Houston general manager and senior vice president of Greentown Labs. According to LinkedIn, she left the role in January.

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This article originally appeared on our sister site, EnergyCapitalHTX.com.

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