Nauticus Robotics and Wood have entered into a strategic partnership. Image via nauticusrobotics.com

Webster-based Nauticus Robotics, a developer of offshore subsea and surface robots and software, has entered a strategic partnership with Scottish energy consulting and engineering firm Wood, which employs about 11,000 people in Houston.

Nauticus and Wood are teaming up to grab a share of the $2.5 trillion-a-year marketplace in the ocean economy.

“This is a great example of the offshore digitization effort and novel use of emerging offshore robotics. Combining these two innovations make perfect sense,” says Todd Newell, senior vice president of business development at Nauticus.

In the long term, Nauticus hopes to replace large human-operated ships that deploy submersible vehicles with its own fleet of green subsea and surface ocean-going robots. Its robots are Hydronaut, a small surface vessel that can be operated by people, and Aquanaut, a tetherless underwater robot. The technology is aimed at sectors such as offshore renewables, oil and gas, government, and aquaculture.

In December, Nauticus and Greenwich, Connecticut-based CleanTech Acquisition Corp., a special purpose acquisition corporation (SPAC), signed a deal that would result in Nauticus becoming a public company. The SPAC merger, expected to close before June 30, would value Nauticus at $561 million.

Nauticus generated revenue of about $8.2 million in 2021. Revenue is projected to exceed $90 million in 2023. The company was founded in 2014 as Houston Mechatronics; it rebranded last year.

Wood generated more than $6.4 billion in revenue last year. It employs about 40,000 people around the world.

Among other things, the robotic capabilities will enable constant monitoring of oil and gas assets, and earlier detection of methane emissions. Photo courtesy of Wood

Robots roll into Houston operations of global energy industry giant

new fleet

Houston employees of Wood, a Scottish giant in engineering and management services, are helping drive the robot revolution in the oil and gas industry.

Wood recently received nearly $3 million in funding from Canada’s province of Newfoundland and Labrador to support development of robots that will carry out autonomous inspection and maintenance of onshore and offshore oil and gas infrastructure in that region.

“As we prepare for the transition to renewable energy, we do it knowing that oil and gas will be needed for the foreseeable future. Our government will continue to work to support the women and men who work in the oil and gas industry as we collaborate with industry to support new innovative ideas to further reduce greenhouse gas emissions,” Andrew Furey, premier of Newfoundland and Labrador, says in a news release.

Among other things, the robotic capabilities will enable constant monitoring of oil and gas assets, and earlier detection of methane emissions. Wood says that if the Canadian project succeeds, it could lead to the rollout of more robots.

Some of Wood’s robots will be roaming the show floor at this year’s Offshore Technology Conference (OTC), set for May 2-5 at NRG Park. An OTC session on May 3 will shine a light on the emerging sector of offshore robotic technologies. Rami Jabari of Houston-based ExxonMobil and Ross Doak of Shell, which has a major presence in Houston, are co-chairs of the session. Both ExxonMobil and Shell have embraced robotics in recent years.

The Houston office of Wood — which employs nearly 11,000 full-time workers locally and whose 2020 global revenue totaled $7.5 billion — has been toiling away on the robotic technology for several years. The technology already has undergone a successful pilot in Wyoming, where robots and drones have captured data to create 3D models of oil and gas assets.

“In a nutshell, this technology is making routine inspections and maintenance of assets safer and more efficient, leading to reduced carbon emissions and lower-cost sustainable operations,” according to Wood.

A key focus of the robotic technology is helping more than 100 countries that have pledged to slash methane emissions by 30 percent before 2030 compared with 2020 levels. According to the United Nations, decreasing methane emissions is one of the most cost-effective ways to achieve global goals tied to climate change.

Wood, whose U.S. locations are in Houston and Alpharetta, Georgia, isn’t the only company with strong local ties that’s innovating in robotics for the oil and gas sector.

For instance, Webster-based Nauticus Robotics specializes in offshore robotics for the oil and gas sector and other industries. Nauticus, previously branded as Houston Mechatronics, is preparing to merge with CleanTech Acquisition, a publicly traded SPAC, or special acquisition company.

The pending merger values Nauticus at $560 million. The company envisions generating revenue of more than $90 million in 2023, up from an estimated $8.2 million this year.

The first product from Nauticus, founded by former NASA engineers, is called Aquanaut.

“Aquanaut is an unmanned underwater vehicle that can transform itself from a nimble submarine designed for long-distance cruising into a half-humanoid robot capable of carrying out complex manipulation tasks. It can inspect subsea oil and gas infrastructure, operate valves, and use tools,” according to the Institute of Electrical and Electronics Engineers (IEEE).

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Houston brain health co. secures $6.5M for rare disease study

neuro funding

Houston-based Goldenrod Therapeutics, part of Fannin Partners' portfolio, has announced the initial close of a $6.5 million series seed preferred stock round.

The round was led by Ataxia Ventures and an affiliate of Fannin, according to a news release.

Goldenrod Therapeutics plans to use the funding to support manufacturing, formulation optimization, IND-enabling studies and a Phase I study of its drug to treat brain inflammation, known as 11h.

The study will consider how 11h, which blocks the enzyme PDE4, could treat Friedreich’s ataxia (FA), a rare genetic disease that affects movement, speech and balance. To date, other PDE4 inhibitors have proven to regulate neuroinflammation and neuronal signaling, but have had adverse gastrointestinal side effects or have not reached enough of the central nervous system, according to Goldenrod.

The company says its 11h is expected to have "broad applicability" with limited emetric side effects.

“Our 11h program is a next-generation, orally bioavailable, brain-penetrant PDE4 inhibitor, where researchers overcame longstanding limitations associated with earlier PDE4 inhibitors," Dr. Dev Chatterjee, CEO of Goldenrod, said in the news release. "We believe this creates the potential for a best-in-class therapy for Friedreich’s Ataxia and a potential foundation for development across multiple neurodegenerative and neuroinflammatory disorders.”

11h was first developed at the University of Nebraska Medical Center (UNeMed). Houston-based Fannin Partners in-licensed the product 2020 and landed SBIR Phase I funding to support its initial development for opioid use disorder soon after.

Goldenrod has also received funding to study 11h's effectiveness for multiple sclerosis, methamphetamine addiction and cocaine addiction.

Goldenrod says it is developing 11h to target a variety of neurological and inflammatory conditions, including Alzheimer's disease, multiple sclerosis, ALS, substance use disorders, Batten disease, pain and traumatic brain injury.

27 Houston companies make Fortune 500 for 2026, led by energy giants

Houston HQs

Editor's note: This article has been updated to correct the number of companies based in the Dallas-Fort Worth area.

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 24 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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This article first appeared on EnergyCapitalHTX.com.