saying hello to HAL

Finnish AI solutions co. joins Houston-based clean energy accelerator

The latest energy tech startup to join Halliburton Labs is developing AI and deep learning technology. Photo courtesy of Halliburton

Finnish clean-tech company Rocsole is the latest company to join Houston-based Halliburton Labs, according to a statement the energy giant made this month.

Rocsole, which has its U.S. office in Houston, is known for its proprietary smart process imaging solutions and AI/deep learning rendered predictions that create "safer, cleaner, and more efficient operations," according to its website. The company services offshore wells and onshore tanks, pipelines and separators to reduce costs, avoid shutdowns and monitor product quality.

"With the help of Halliburton's global reach, we plan to accelerate our commercialization in major international markets," Pekka Kaunisto, CEO of Rocsole, said in a statement.

Kaunisto was named CEO of the company in April, succeeding Mika Tienhaara, who served as CEO since early 2020.

Rocsole joins several other clean energy companies to go through the Halliburton Labs accelerator, which launched in 2020 to help early-stage companies achieve commercialization milestones. The accelerator is a wholly owned subsidiary of Halliburton and provides participants with access to technical expertise, mentorships and programming.

Fellow Finnish company A-W Energy, whose technology converts ocean waves into energy, was part of a 2022 cohort.

Houston-based FuelX, England-based LiNa Energy, and Canadian company Solaires Entreprises were the most recent companies to be added to the accelerator in April 2023. Other companies to be added this year include Matrix Sensors, Renew Power Systems and SunGreenH2. The program is going on the road to host its next Halliburton Labs Finalists Pitch Day on Thursday, September 21, in Denver as a part of Denver Startup Week.

Halliburton Labs is closing applications for its next cohort on August 18. Applications are open online.

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A View From HETI

Houston is tied with Chicago for the second-most Fortune 500 headquarters. Photo via Getty Images

Houston is a giant among U.S. hubs for corporate headquarters.

The 2026 Fortune 500 lists 27 companies based in the Houston area, with many energy companies claiming top spots. Houston ties with Chicago for the second-most Fortune 500 headquarters, preceded only by New York City (53). Dallas-Fort Worth is home to 23 Fortune 500 headquarters.

Texas leads the nation for Fortune 500 headquarters (57), with California in the No. 2 spot and New York at No. 3.

“Texas is the undisputed headquarters of headquarters,” Gov. Greg Abbott said in a news release. “The world’s leading businesses invest with confidence in Texas because of our welcoming business climate, predictable regulatory environment, and skilled and growing workforce. People and businesses are choosing Texas because Texas works.”

The 2026 Fortune 500 ranks the largest U.S. corporations based on revenue in fiscal year 2025.

Here’s a rundown of the 27 Fortune 500 companies based in the Houston area.

  • No. 9 ExxonMobil
  • No. 21 Chevron
  • No. 29 Phillips 66
  • No.55 Sysco
  • No. 75 ConocoPhillips
  • No. 89 Enterprise Products Partners
  • No. 103 Plains GP Holdings
  • No. 133 Hewlett Packard Enterprise
  • No. 149 NRG Energy
  • No. 157 Quanta Services
  • No. 164 Baker Hughes
  • No. 173 Occidental Petroleum
  • No. 179 Waste Management
  • No. 201 EOG Resources
  • No. 204 Group 1 Automotive
  • No. 207 Halliburton
  • No. 223 Cheniere Energy
  • No. 236 Corebridge Financial
  • No. 262 Targa Resources
  • No. 266 Kinder Morgan
  • No. 388 Westlake
  • No. 435 CenterPoint Energy
  • No. 438 APA
  • No. 440 Comfort Systems USA
  • No. 455 NOV
  • No. 488 KBR
  • No. 496 Coterra Energy. Oklahoma City, Oklahoma-based Devon Energy and Houston-based Coterra Energy merged in early May, with the combined company retaining the Devon Energy name and the Houston headquarters.

The Greater Houston Partnership notes the Houston area soon will welcome its 28th Fortune 500 company. Expand Energy (formerly Chesapeake Energy), appearing at No. 362 on the 2026 list, says it’s moving its headquarters from Oklahoma City to Spring this year.

As the natural gas producer prepares to relocate to Texas, it’s hunting for a new leader. Nick Dell’Osso stepped down as president and CEO earlier this year. Board Chairman Michael Wichterich is interim president and CEO.

Dell’Osso became president and CEO of Oklahoma City-based Gulfport Energy effective May 28.

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