Clockwise from top left: Jesse Martinez, Adrianne Stone, Phillip Yates, Carlos Estrada, Atul Varadhachary, and Juliana Garaizar. Photos courtesy

The six finalists in this year's Ecosystem Builder category for the Houston Innovation Awards shared many reasons why Houston has been a great place for them to launch their startups.

Still, they've seen first-hand how Houston can grow and change to better support founders like themselves. We asked each to share their thoughts on the strengths and weaknesses of the local innovation ecosystem and about the roles they're playing in the scene's evolution. Scroll down to see what each finalist had to say.

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What are the strengths of the Houston innovation ecosystem?

Adrianne Stone, founder of Bayou City Startups: "Outside of our obvious advantages in health care, energy and space technology I would say that our biggest strength is in the diversity of our community. Everyone brings such unique perspectives, experiences, and ideas to the table that it allows Houston to truly think outside of the box when we leverage that superpower."

Atul Varadhachary, managing partner at Fannin Innovation Studio: "The city benefits from its strategic location as a hub for various industries, including energy, aerospace and health care/biotechnology. This diversity of sectors fosters cross-pollination of ideas and expertise, promoting innovation in multiple fields. In the biotechnology field, the Texas Medical Center in Houston, is a major driver of intellectual capital and contributes to a highly skilled workforce. This potential has not been fully leveraged as yet, but I have seen and contributed to much progress over the last three decades."

Carlos Estrada, growth partner at First Bight Ventures and head of venture acceleration at BioWell: "Houston’s strengths lie in its diverse industries, from energy to health care to bioindustrial manufacturing and its academic institutions which nurture talent and innovation. A new wave of startup organizations also provides startups and SMBs with mentorship, funding opportunities, and critical networking connections. This combination of industry diversity, academic excellence and supportive organizations creates an ideal environment for startups to grow."

Jesse Martinez, founder and CEO of invincible: "The Houston innovation ecosystem continues evolving as it naturally pivots and iterates like a startup. We have a number of existing and new stakeholders who deeply care about Houston, as we all work together to make it a global tech hub destination. Through our SDOs, TMC, Houston Methodist, Helix Park, The Ion, NASA, our universities, and startup community leaders, it's all about us helping to connect the dots for our entrepreneurs so they may grow and thrive in Houston."

Juliana Garaizar, founding partner of Energy Tech Nexus: "Houston has the talent, the corporations and the great intersection of industries were innovations happen: energy, medical and space. Houston knows how to do hard things. We are doers, and we know how to build on our key strengths and are resilient when things don't go according to plan. Our geographic situation and our port make us a global hub and the most diverse city in the U.S."

Phillip Yates, CEO of Equiliberty Inc.: "I believe Houston's innovative ecosystem's greatest strengths reside in its diverse group of citizens and our healthy local economy, which includes the energy sector, medical, and aerospace industries."

What are the weaknesses of the Houston innovation ecosystem? Are you helping to make improvements to these weaker aspects of the community and, if so, how?

Stone: "The first thing that comes to mind is a lack of early stage funding for startups, especially for those with founders from underserved backgrounds. And the second thing is the sheer size of our geographic distribution makes it hard for folks to connect and those kismet collisions to occur. I'm working to improve this by inviting investors to our events, networking more broadly outside of the region and inviting folks to come back to visit, and by hosting a predictable recurring meetup every month so folks can get plugged into the broader ecosystem."

Varadhachary: "In the life sciences space, where I primarily play, our biggest challenge is that the early-stage drug development process is complex and requires direct product development experience. At Fannin, I have helped address this challenge by creating one of the largest talent development programs in the U.S., boasting over 350 alumni. I am especially proud of our alumni diversity — about half are women and most are BIPOC. Fannin draws from local institutions and major institutions across the country. Half of our alumni remain in Houston, many of whom, alongside students I’ve taught, have gone on to join or found startups. Other Fannin alumni have joined major companies around the U.S. and have often come back to help support our local ecosystem."

Estrada: "Houston’s biggest challenge is limited early-stage venture capital. To address this, I organized pitch events at WeWork Labs to attract outside investors and guided startups on how to raise funds while keeping their headquarters in Houston. Furthermore at Rice University’s Liu Idea Lab and Rice Alliance, supporting commercialization was key to launching more local scientist-entrepreneur-led startups. Through First Bight Ventures, I also support local startups like Via Fuels and attract outside startups to scale their manufacturing operations in Houston, further growing the ecosystem."

Martinez: "The current weaknesses of our current Houston innovation ecosystem is two-fold: We need true early stage capital (pre-seed and seed) to support our founders. We also need more incubators and accelerators across the Houston area to support our geographically disbursed founders and founders-to-be in The Woodlands, Katy, and Sugar Land, along with more in central Houston. At invincible, we are committed to helping support and champion our Houston-area innovation community by launching a Mom Tech Incubator (HERA), an early-stage fund, and an industry-specific venture studio. Long term, we will need a growth-stage fund to better support our local startups and those expanding here for strategic reasons."

Garaizar: "Although Houston has a lot of later stage capital, access to early stage capital is a weakness that we are trying to overcome with capital activation, formation and innovation finance. Although Houston is the most diverse city in the U.S. it is not the most inclusive and equitable, that is why I studied the gender gap in investing and launched initiatives like Portfolia or the Houston Equitable Energy Transition Initiative and I am part of the City of Houston's Women Commission."

Yates: "Houston has a problem with economic disparities, including income inequality, poverty, and lack of access to resources. These economic indicators create real barriers for some individuals to have meaningful access to the Houston innovative ecosystem.Through my work with Equiliberty and other non-profits, I have provided my time and resources to help build a more equitable ecosystem. Through the work I am doing with Equiliberty, Houston Area Urban League, Impact Hub and others, I believe we're making improvements to ensure that any person with a dream of changing the world can do it right here in Houston, Texas. We are all working towards the day when their ZIP code, education background or financial status will not be a determining factor."

Should your startup opt for SAFEs or convertible notes on your next funding round? This Houston expert weighs in. Photo via Getty Images

Houston startup adviser on navigating SAFE, convertible notes in funding rounds

guest column

As both a founder and occasional early-stage investor in the Houston ecosystem, I've seen firsthand the opportunities and challenges surrounding seed funding for local startups. This critical first fundraising round sets the trajectory, but navigating the landscape can be tricky, especially for first time founders who may not be familiar with the lingo.

One key dynamic is choosing the right deal structure — SAFEs (Simple Agreement for Future Equity) vs. convertible notes are the most common vehicles early stage startups use to raise capital and are far more founder-friendly than a priced round.

Let's start first with what the have in common:

  • Both allow you to defer setting a valuation for your company until a later (likely priced) round, which is useful in early stages or pre-revenue companies
  • Both are cheaper and faster to execute than a priced round, which cash-strapped early stage founders like
  • Both can have terms like valuation cap, discount, conversion event, and pro rata rights.
  • Both are less attractive to investors seeking immediate equity (especially important if starting the QSBS clock is part of your investors strategy or if the investor is newer to startup investing)
  • Both can create messy cap tables and the potential for a lot of dilution for the founders (and investors) if they are used for multiple raises (especially with different terms)

While as you can see they have similarities, they have some important differences. Let's dig in on these next:

SAFEs:

  • Created by Y Combinator in 2013, the intent was to create a simplified, founder friendly agreement as an alternative to the convertible note
  • Is an agreement for future equity for the investor at a conversion event (priced round or liquidation event) which converts automatically.
  • It's not a debt instrument and does not accrue interest or have a maturity date.
  • Generally have much lower upfront legal costs and faster to execute

Convertible Notes:

  • A debt agreement that converts to equity at a later date (or conversion event like a priced round)
  • Accrues interest (usually 2 to 8 percent) and has a maturity date by which the note must either be repaid or convert to equity. If you reach your maturity date before raising a qualifying round, you can often renegotiate to extend the maturity date or convert the note, though be prepared to agree to higher interest rates, additional warrants, or more favorable conversion terms.
  • More complex and take longer to finalize due to non-standard terms resulting in higher legal and administrative costs

It's worth reiterating that in both cases, raising multiple rounds can lead to headaches in the form of complex cap tables, lots of dilution, and higher legal expenses to determine conversion terms. If your rounds have different terms on discounts and valuation caps (likely) it can cause confusion around equity and cap table structure, and leave you (the founder) not sure how much equity you will have until the conversion occurs.

In my last startup, our legal counsel — one of the big dogs in this space for what it's worth — strongly advised us to only do one SAFE round to prevent this.

Why do some investors tend to prefer convertible notes?

There are a few reasons why some investors, particularly angel investors from developing startup ecosystems (like Houston), prefer convertible notes to SAFEs.

  • Because they are structured as debt, note holders have a higher priority than equity investors in recovering their investment if the company fails or is liquidated. This means they would get paid after other creditors (like loans or credit cards) but before equity investors, increasing the likelihood of getting some of their money back.
  • The interest terms protect investors if the founder takes a long time to raise a priced funding round. As time passes, interest accumulates, increasing the investor's potential return. This usually results in the investor receiving a larger equity stake when the note converts. However, if the investor chooses to call in the note instead, the accrued interest would increase the amount of money owed, similar to a traditional loan
  • More defined conversion triggers (including a maturity date) gives investors more control and transparency on when and how their investment will convert.
  • Can negotiate more favorable terms than the standard SAFE agreement, including having both a valuation cap and a discount (uncommon on a SAFE, which usually only has one or the other), interest rates, and amendment clauses to protect them from term revisions on earlier investors by future investors (called a cram-down), etc.
We'll go over what the various terms in these agreements are and what to look out for in a future article

How to choose:

  • Consider your startup's stage and valuation certainty — really uncertain or super early? Either of these instruments are preferable to a priced round as you can defer the valuation discussion
  • Assess investor preferences in your network — often the deciding factor if you don't have a lot of leverage; most local angels prefer c-notes because they see them as less risky though SAFEs are becoming more common with investors in tech hubs like Silicon Valley
  • Evaluate your timeline and budget for legal costs — as I mentioned, SAFEs are way less expensive to execute (though still be prepared to spend some cash).
  • Align the vehicle with your specific goals and growth trajectory

There's no one-size-fits-all solution, so it's crucial to weigh these factors carefully.

The meanings of these round terms like "seed" are flexible, and the average seed funding amount has increased significantly over the past decade, reaching $3.5 million as of January 2024. This trend underscores the importance of choosing the right funding vehicle and approach.

Looking ahead, I'm bullish on Houston's growing startup ecosystem flourishing further. Expect more capital formation from recycled wins, especially once recently minted unicorns like High Radius, Cart.com, Solugen, and Axiom Space exit and infuse the ecosystem with fresh and hungry angels, new platforms beyond traditional venture models, and evolving founder demographics bringing fresh perspectives.

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Adrianne Stone is the principal product manager at Big Cartel and the founder of Bayou City Startups, a monthly happy hour organizer. This article original ran on LinkedIn.

This week's roundup of Houston innovators includes Adrianne Stone of Bayou City Startups, Sarma Velamuri of Luminare, and Curtis Jackson of G-Unity Foundation. Photos courtesy

3 Houston innovators to know this week

who's who

Editor's note: In this week's roundup of Houston innovators to know, I'm introducing you to three local innovators across industries — from health tech to nonprofit — recently making headlines in Houston innovation.

Adrianne Stone, founder of Bayou City Startups

Every month, Adrianne Stone of Bayou City Startups hosts a happy hour for startup founders to create a safe space to network, collaborate, commensurate, and more. Photo courtesy of Adrianne Stone

Adrianne Stone knows firsthand how lonely the startup founder journey is, so she set out to help create a community for founders when she started Bayou City Startups last year. Now, Stone shares on the Houston Innovators Podcast that her monthly happy hours attract over 50 attendees on average.

"Being the venture associate with Capital Factory in Houston, I'd seen what the Houston ecosystem had to offer. There were events — happy hours, coffee meet-ups, all these things," Stone says on the show. "But it was not just a casual networking event usually. I wanted a consistent community where I could show up and say, 'guys, I had the worst week,' to people who got where I was coming from and who could commensurate or lean in and help."

The next opportunity to network with Bayou City Startups is Tuesday, July 18, from 5 to 7 pm at Kirby Ice House. Read more.

Sarma Velamuri, co-founder and CEO of Luminare

Sepsis has been the No. 1 killer hospitals, but this Houston startup has a tech to help mitigate the risk. Photo via Getty Images

When he was an internal medicine physician, Sarma Velamuri watched helplessly as a friend’s 22-year-old daughter lost her life to sepsis. He had to tell his friend that she would not be coming home.

“There are 300,000-plus people a year who die of sepsis,” says Velamuri. “It’s important that people understand it’s not just those who are most susceptible to infections.”

This fact is not only unfortunate, but preventable. And that’s why Velamuri, who describes himself as “a recovering hospitalist,” co-founded Luminare in 2014. A full-time CEO since 2017, Velamuri, who runs the company with co-founder and CTO Marcus Rydberg, is based in the TMC Innovation Factory. Read more.

Curtis Jackson, founder of the G-Unity Foundation

For the second year, Curtis Jackson's program supported Houston student entrepreneurs. Photo courtesy of G-Unity

Chances are, you've heard of 50 Cent — his 2003 album "Get Rich or Die Tryin'" was a soundtrack to many. But Curtis James Jackson III, 50 Cent's real name, has done a lot since gracing your radios. He moved to Houston in 2021 and founded the G-Unity Foundation. In May, he wrapped on the second year of the G-Unity Business Labs, a business development incubator for Houston Independent School District high schoolers.

"I’ve spent years donating my time and energy to communities in need. I started G-Unity to do the same—to give back to kids so they have it a little easier than I did," Jackson writes on the website. "Team building and entrepreneurship are skills I learned along the way, but they are so important to develop early. I look forward to G-Unity supporting programs that are doing the crucial work of teaching kids to excel at life."

Around 150 students participated, and the winners are splitting a $500,000 investment. Read more.

Every month, Adrianne Stone of Bayou City Startups hosts a happy hour for startup founders to create a safe space to network, collaborate, commensurate, and more. Photo courtesy of Adrianne Stone

Houston innovator dedicated to fostering community within local founders

HOUSTON INNOVATORS PODCAST EPISODE 194

Starting a company can be daunting and lonely, but entrepreneurs — at least those who call Houston home — have a monthly opportunity to connect with fellow founders thanks to Adrianne Stone.

Stone, who's had a varied career from getting her PhD in Translational Biology & Molecular Medicine at Baylor College of Medicine and joining the 23andMe team as a scientist to supporting founders at Capital Factory, launched Bayou City Startups last year to help connect Houston founders over beers. Now, Stone shares on the Houston Innovators Podcast that her monthly Bayou City Startups meetups attract over 50 attendees on average.

"Being the venture associate with Capital Factory in Houston, I'd seen what the Houston ecosystem had to offer. There were events — happy hours, coffee meet-ups, all these things," Stone says. "But it was not just a casual networking event usually. I wanted a consistent community where I could show up and say, 'guys, I had the worst week,' to people who got where I was coming from and who could commensurate or lean in and help."

Stone observes a need for that type of community more in Houston than Silicon Valley, where she worked when she was at 23andMe. The Bayou City has less of a concentrated startup scene.

"Houston and the Bay Area could not be more different in a lot of ways," she explains. "Everybody I met had a startup in California — it didn't matter if they worked somewhere else, they had a startup.

"I would love to see more of that here in Houston," Stone continues. "Our founders in Houston are super scrappy. They do so much with so little, and we just do not have the amount of capital floating around this ecosystem that you do in SF. I'd love to see more of that here too."

The next opportunity to network with Bayou City Startups is Tuesday, July 18, from 5 to 7 pm at Kirby Ice House. Stone says she picks different types of bars all over the city to meet people where they are and to offer a variety of locations. She adds that she's always up for co-hosts and partners.

Part of what makes Stone, who consults with startups in a professional capacity, an interesting point of view is her "zig-zagging" career. She's held a wide range of roles at an even wider range of professions before she made it to tech startups.

“The through line for me is following my curiosity,” she says on the show. “I was interested in politics, so I did a White House internship. I had a background in science, so I wanted to do something with it, so I went into teaching. Through teaching, I got interested in web development and blogging, so that's how I made the transition into the digital space.”

Her advice to fellow zig-zaggers? Knowing when to say no to things.

"You can overcommit yourself and you're going to burnout or drop the ball or end up disappointing people," she says, admitting she's had to get better at this herself. "Practice saying no. Make it your default. Founders tend to say yes first."

Stone shares more about her career and her observations on Houston's startup ecosystem on the show. Listen to the interview below — or wherever you stream your podcasts — and subscribe for weekly episodes.

This week's innovators to know include Richard Seline of ResilientH20, Adrianne Stone of Capital Factory, and Ethan Saadia of Wayt. Courtesy photos

3 Houston innovators to know this week

who's who

Editor's note: All three of this week's Houston innovators to know started something new amid a global pandemic — a new job at a Texas-wide accelerator, a new app to help shops and businesses safely serve customers, and a new resilience-focused hub that launched just in time for hurricane season.

Richard Seline, managing director of ResilientH20

Richard Seline of ResilientH2O Partners explains how he's helping foster new hurricane and flood prevention technologies in the Bayou City. Photo courtesy of ResilientH20

Following Hurricane Harvey, Richard Seline saw several emerging startups focusing on flood tech. Meanwhile, he saw insurance companies very interested in finding new technologies in the same space. But, these two entities were not talking.

"It's two different languages," Seline says on the Houston Innovators Podcast. "There's a whole language and a whole mindset within the insurance industry that is not real well known."

Seline, managing director of ResilientH20, along with the Insurance Information Institute and The Cannon, has launched the Gulf Coast & Southwest Resilience Innovation Hub to foster this type of technology and bring insuratech startups and the big insurance players to the table. Stream the podcast and read more.

Adrianne Stone, venture associate for Capital Factory

Adrianne Stone has joined Capital Factory's Houston operations as the company prioritizes digital startup interaction. Photo courtesy of Capital Factory

After spending a year and a half in Silicon Valley on the products team for 23andme, Adrianne Stone is back in Houston, filling the venture associate role for Capital Factory. Stone got her Ph.D from Baylor College of Medicine and replaces Brittany Barreto, another BCM Ph.D who left the position to pursue a new venture.

"The mindset in Silicon Valley is different from how it is here in Texas — in good ways and bad ways. It was interesting to be exposed to a very potent startup vibe," Stone tells InnovationMap. "I'm looking forward to being able to meet all the cool companies, founders, and investors we have here in the Houston area." Read more.

Ethan Saadia, app developer and creator of Wayt

Ethan Saadia, a 17-year-old high school student, created an app to improve the user experience of shopping during a pandemic. Photo courtesy of Wayt

Like most of the world, Ethan Saadia has seen small, local businesses suffer from the social distancing mandates amid the COVID-19 outbreak. Saadia, a rising high school senior, wanted to do something to help.

He created Wayt, a smartphone app that provides businesses and their customers with a platform to communicate making curbside pickup, booking appointments, and even join a virtual line. Ultimately, Wayt has a great opportunity to help businesses — even outside of a pandemic

"From my perspective and experiences from my friends and family," says Saadia, "curbside pickup and virtual lines are definitely here to stay because even before the pandemic, popular places used to have long lines and that presented many new challenges. The pandemic is just accelerating technological change that will make our lives easier." Read more.

Adrianne Stone has joined Capital Factory's Houston operations as the company prioritizes digital startup interaction. Photo courtesy of Capital Factory

Statewide accelerator hires new Houston staffer and embraces 'virtual first' approach amid COVID-19

new hire

For years, Capital Factory has existed to promote innovation and grow startups across Texas and has expanded from its headquarters in Austin to Dallas, Houston, and beyond. In light of COVID-19, the organization has pivoted to make sure it can work with startups remotely and online.

"I think Capital Factory has successfully embraced virtual first," says Bryan Chambers, vice president of the accelerator and fund at Capital Factory. "I think it's gone well and it feels like we're just hitting our stride."

Chambers admits that the onset of the coronavirus had a great effect on Capital Factory — SXSW being canceled did its damage on the organization, which has a huge presence every year. However, cross-state startup collaboration is the driving force behind Capital Factory's Texas Manifesto.

"We're one big state, and we're one big startup ecosystem," Chambers says. "The resources across Dallas, Houston, Austin, North Texas, and San Antonio are available for everybody. Candidly, COVID aligns with that. There's no better time — COVID is erasing the boundaries in a virtual world."

In addition to navigating the transition to virtual operations, Capital Factory has also introduced its newest Houston staff member, as Adrianne Stone has started this week as venture associate for the organization. Stone received her Ph.D in Translational Biology and Molecular Medicine from Baylor College of Medicine before heading out to the West Coast and working at 23andme. She brings both her experience with health tech and Silicon Valley to her position.

"The mindset in Silicon Valley is different from how it is here in Texas — in good ways and bad ways. It was interesting to be exposed to a very potent startup vibe," Stone tells InnovationMap. "I'm looking forward to being able to meet all the cool companies, founders, and investors we have here in the Houston area."

Stone replaces Brittany Barreto, who helped in coordinating her replacement and is staying on part-time for the rest of August to help with training and immersion into the ecosystem. Barreto, who is one of the founders of the recently launched startup masterclass Founder's Compass, has also introduced a new brand called Femtech Focus, that includes a podcast where she talks to innovators in the women's health and wellness space.

"I'm ready to get back into the founder's saddle," Barreto says, adding that there's more to come for Femtech Focus.

Throughout her tenure, Barreto has overseen Capital Factory's Houston portfolio companies — both identifying potential investment opportunities and connecting startups to resources and mentors. She passes the torch to her former BCM classmate, and says she's excited to do so to a fellow Ph.D.

"The last year and a half, I've working really hard on laying this foundation. I don't want all that hard work to go away, so I cared a lot about who was going to take my position," she says. "I wanted to make sure that all my founders had someone who cared about them as much as I do."

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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

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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This article first appeared on EnergyCapitalHTX.com.

Elon Musk's SpaceX is about to make its debut on Wall Street

Money Moves

Elon Musk's rocket company SpaceX will make its debut on Wall Street Friday, June 12, and both institutional and retail investors are expected to gobble up the 555.6 million shares going up for sale at $135 apiece. Musk, already the world's richest man, could become its first trillionaire.

SpaceX is likely to become the biggest IPO ever, with proceeds of around $75 billion. SpaceX hopes to become the first company to send people to Mars. In fact, part of Musk’s future compensation depends on SpaceX eventually establishing a colony of at least 1 million people on the red planet.

Why SpaceX is going public now

In a video conference on Musk's social media platform X, he told JPMorgan CEO Jamie Dimon that people have suggested for the last 10 years that he take SpaceX public. He's doing it now because the company plans to put 100,000 next-generation Starlink satellites into orbit. Deploying AI data centers in space is a “massive new growth base and you need capital for that,” he said.

Going public provides access to the capital that SpaceX needs. But it also exposes it to more scrutiny from shareholders and more regulatory oversight. That includes filing quarterly financial reports, which critics say incentivizes short-term thinking over longer-term planning and creates unnecessary costs for a company. Securities regulators are currently soliciting public comment on a proposal to require public companies to file the financial reports only twice every year.

How the IPO impacts the company

Musk will hold the majority of a special class of shares, giving him control over decisions related to company strategy, finances and personnel. On the latter, because of his ownership of most of these Class B shares, the only person who can fire Musk as CEO is Musk.

The company credits Musk with being the “driving force” behind its growth, innovation and success. But what happens if Musk is no longer in the picture? SpaceX warns that the loss of Musk could disrupt its ability to execute its strategy as well as hurt its “reputation and relationships with customers, partners and other stakeholders.”

The company also warns that finding a replacement with the same skills and experience as Musk would be time-consuming, if not nearly impossible. As Wedbush Securities analyst Dan Ives wrote Wednesday, “At the end of the day Musk is SpaceX and SpaceX is Musk.”

What could make or break SpaceX

Currently in the test phase, the gigantic reusable Starship rocket is key to SpaceX realizing Musk's ambitions. Much of the commercial space business hinges on SpaceX developing Starship’s capability to be fully reusable and hearty enough for a quick turnaround between flights. If that doesn't happen, SpaceX warns that putting data centers and satellites in space will take longer and cost more money, meaning it risks customers bailing on the company.

Analysts say that by pioneering reusable rockets, SpaceX has established a clear lead on competitors such as Blue Origin, led by Amazon founder Jeff Bezos. The Starlink satellite business competes with, among others, AST SpaceMobile – which is relying on a SpaceX rocket to send its latest generation of satellites into orbit next week.

The prospectus filed last week says SpaceX’s biggest potential market is the sale of business-oriented artificial intelligence products designed to transform how people get work done. It’s an opportunity SpaceX predicts would be worth $22.7 trillion if it could somehow dominate rivals like Anthropic, OpenAI and Microsoft in a highly competitive industry. But the prospectus shows no clear path to profitability for the xAI business, which merged with SpaceX earlier this year.

Why Wall Street is paying attention

If the SpaceX IPO is as successful, the stock could quickly join the Nasdaq 100, a widely followed index that tracks the 100 largest non-financial companies in the composite. That's important because some popular funds, such as the $460 billion QQQ exchange-traded fund, mimic the index and will automatically buy whatever is listed in the index.

Nasdaq recently changed its rules to allow select companies to enter the Nasdaq 100 after just 15 trading days.

S&P Dow Jones Indices, on the other hand, is sticking to established and more traditional thresholds that will not allow SpaceX or other companies with gargantuan IPOs faster entry into its S&P 500 index. That means even high-profile companies will still need to wait for their stocks to trade a full 12 months before they can enter the index.

Companies want to be in the S&P 500 in particular because it's arguably the most important index on Wall Street, with trillions of dollars either mimicking it exactly or benchmarked against it. Vanguard's VOO fund that tracks the S&P 500 has roughly $950 billion invested in it, for example.