Solugen is moving its HQ into Phoenix Tower. Photo courtesy of Parkway

Houston-based Solugen has announced an HQ move. But don't worry. This unicorn chemicals company is just moving down the street.

Parkway Property Investments LLC announced today that Solugen is relocating its Houston corporate headquarters to Greenway Plaza. The biotech company, recently ranked as one of the most innovative businesses in the world, signed a multi-year lease in Phoenix Tower. The building is one of 11 Class A buildings on the 52-acre mixed-use campus.

The space's buildout is expected to be completed in the second quarter, according to a news release, with Solugen moving in after that.

The venture-backed biotech startup, which produces high-performance chemicals through the use of bio-based feedstock and metal catalyst technologies, signed a multi-year lease in Phoenix Tower. The property is one of eleven Class A buildings on the landmark, 52-acre mixed-use campus, which is strategically located between Downtown and Uptown. Buildout of the space is expected to be completed in the second quarter.

“Innovative companies like Solugen are choosing to outsource the design-build process for office interiors to Parkway," says Eric Siegrist, Parkway’s managing director of leasing, in the release. "With several floors of ‘Ready Right Away’ suites fully-deployed, we happily take on this process to reduce the time and energy expended by an incoming tenant, resulting in expedited occupancy.”

Solugen was represented by Nick Terry, managing partner of Rifle Real Estate. Parkway’s senior director of leasing, JP Hutcheson, negotiated on behalf of Parkway.

Founded in 2016, Solugen’s process converts corn syrup into industrial chemicals, cutting down on carbon emissions generated by traditional production of chemicals. Carbon dioxide from chemical production is one of the biggest contributors to industrial greenhouse gas emissions. In September, the company raised a $357 million series C funding round and claimed its unicorn status.

Solugen joins several tech companies already housed in Greenway Plaza, including FlightAware, ThoughtTrace, Detechtion Technologies, and Buildforce.

Phoenix Tower has 627,320 square feet of space across 34 floors. Photo courtesy of Parkway


Honeywell has once again bet on the Bayou City for business. Photo courtesy of Parkway

Fortune 100 company moves materials tech biz HQ to Houston

big move

A nearly $10 billion division of Honeywell International that primarily caters to the oil and gas industry has moved its headquarters to Houston.

On August 11, Charlotte, North Carolina-based Honeywell announced its Performance Materials and Technologies (PMT) division had completed its relocation to the Westchase area's nearly 1.5 million-square-foot CityWestPlace office complex where the company already has operations.

PMT joins one its units, Honeywell's Process Solutions business, at CityWestPlace. The Process Solutions business and about 750 employees relocated there from 1250 Sam Houston Parkway South in 2019.

At CityWestPlace, PMT is adding a customer center where it can showcase automation products and services.

With the PMT relocation, Honeywell now employs more than 850 people in Houston. Representatives of Honeywell decline to say where PMT was previously based.

"Houston [is] a diverse and rapidly growing city, and locating our headquarters here will help us meet our long-term needs to recruit and retain premier talent in our industry. It will also allow us to build closer, more impactful relationships with our Texas-based customers," Vimal Kapur, the new president and CEO of PMT, says in a news release.

Before coming to Houston to take the reins of PMT, Kapur was president of CEO of Atlanta-based Honeywell Building Technologies. He has worked at Honeywell for more than three decades.

Houston Mayor Sylvester Turner says PMT's move to Houston offers another example of how the city is leading innovation in the global energy sector.

"As the energy capital of the world, Houston has the talent and expertise to amplify Honeywell's sustainability work. And with their focus on key components of the energy transition, including carbon capture, energy storage and hydrogen, Honeywell's PMT business unit will serve as a critical partner in Houston's effort to lead the energy transition," Turner says.

PMT provides performance chemicals and materials, process technology, and automation technology for an array of industries, including oil and gas. It posted net sales of $9.4 billion in 2020, down from $10.8 billion in 2019. Honeywell, a Fortune 100 conglomerate, reported net sales of $32.6 billion last year.

Competitors of PMT include ABB, BASF, Dupont, and Emerson Electric.

Houston-based Honeywell Process Solutions is moving down the road in order to expand its local presence. Courtesy of Parkway

Houston-based tech subsidiary moves its headquarters to new space

On to the next

A major technology solutions company announced its relocating it's Houston-based subsidiary to a bigger space. Fortune 100 company Honeywell has executed a long-term lease at CityWestPlace for Honeywell Process Solutions.

The company is relocating its Houston office from off Beltway 8 and Briar Forest to CityWestPlace Building 1, which is just south of its current office. The larger, 114,068-square-foot office space is expected to open by late 2019. The company will have 750 of its employees in the new building

"Parkway is thrilled to welcome Honeywell, a company with an extensive history and acclaimed reputation for creating exceptional products, solving complex problems through software solutions, and implementing cutting-edge technologies in a variety of industries including oil and gas, to CityWestPlace," says Parkway's senior leasing manager, J.P. Hutcheson, in a release.

CityWestPlace, which is operated by Parkway Property Investments, LLC, boasts of 1,473,177 rentable square feet across four campus buildings in Houston's Westchase District. Honeywell was represented by Rich Pancioli and John Morris with CBRE; JP Hutcheson led efforts on behalf of Parkway in the transaction.

The CityWestPlace campus spans 35 acres and has three dining spots, two fitness centers, and recreational offerings, such as a soccer field, outdoor track, sand volleyball court, indoor basketball court, horseshoe pit and bocce ball court.

Honeywell's new Houston office allows the company to expand.Courtesy of Parkway

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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.