These are the four fastest-growing tech companies in Houston, according to Deloitte. Photo by Shobeir Ansar/Getty Images

Deloitte’s annual North America Technology Fast 500 list includes four Houston companies this year — all boasting of significant growth.

For Houston, Direct Digital Holdings, Inc. took the highest-ranking spot at No. 101 (up from 108 previous year) with 1,184 percent growth. NatGas Hub LLC (No. 286, 407 percent growth), Liongard (No. 437, 246 percent growth), and Stratus Medical LLC (No. 483, 212 percent growth) also made the list, which is an annual ranking of the fastest-growing North American companies in technology, energy tech sectors, telecommunications, life sciences, media, and fintech.

"Houston continues to demonstrate its prowess in fostering growth and technological advancement and I’m incredibly proud to see some of our local companies making significant strides and earning their well-deserved spots on the 2024 Deloitte Technology Fast 500 list,” Houston managing partner at Deloitte Melinda Yee says in a news release.

Award winners were selected based on fiscal year revenue growth from 2019 to 2022.

The companies achieved revenue growth ranging from 201 percent to 153,625 percent over the three-year time frame with an average growth rate of 1,981 percent and a median growth rate of 460 percent, according to a news release. Texas accounts for 6 percent of the winning companies with 73 percent of the companies from Texas are in the software sector.

“These companies exemplify the entrepreneurial spirit and innovative mindset that define Houston's dynamic business ecosystem,” Yee adds.

In 2023, the Houston representation looked similar. Direct Digital Holdings again topped the Houston rankings at No. 108, with Liongard, NatGasHub.com, and P97 Networks also showing substantial growth. As a state, Texas had 30 companies that made the list of the 541 ranked. In 2022, just one Houston company was recognized, as at No. 372 Onit reported revenue increase of 369 percent.

Biopharmaceutical company TG Therapeutics, Inc. was the No.1 spot in 2024 with a growth rate of 153,625 percent from 2020 to 2023. See the full list here.
Amy Chronis is passing over the local leadership reins at Deloitte to Melinda Yee. Photos courtesy

Prominent Houston energy business leader to retire, successor named

in transition

Amy Chronis, a Houston business leader within the energy industry and beyond, is retiring next summer. Her replacement has been named.

Melinda Yee will be the incoming Houston managing partner at Deloitte, replacing Chronis who held the role along with the title vice chair and US energy and chemicals leader. Chronis will retire in June 2024, and Yee's new role is effective January 2.

“Melinda has been an active and valued member of Deloitte’s Houston leadership team. She brings an impressive depth of both industry and marketplace knowledge to her new role as managing partner,” Chronis says in a news release. “I am confident that she will be a great leader for our Houston professionals and in the local community.”

Yee has worked at Deloitte for over 30 years and has served as both Deloitte’s central region risk and advisory leader as well as the Houston risk and advisory leader. She also held the title of energy and chemicals leader within Deloitte’s mergers, acquisitions, and restructuring services practice. She's worked on transactions across the energy value chain, as well as waste management, manufacturing, industrials, services, retail operations and investment management, per the release.

“I am honored to have been asked to serve as the managing partner for Deloitte’s Houston practice,” Yee says in the release. “I look forward to continuing the great work Deloitte has accomplished under Amy’s leadership, delivering results for our clients and making an impact in the Houston community.”

In addition to her role at Deloitte, she serves as a board member for Junior Achievement of Southeast Texas, a member of the Energy Transition Committee for the Greater Houston Partnership, and is Audit Committee chair, director and trustee at the University of Colorado Foundation.

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This article originally ran on EnergyCapital.

This week's roundup of Houston innovators includes Wogbe Ofori of WRX Companies, Amy Chronis of Deloitte, Steve Altemus of Intuitive Machines, and the 2023 Houston Innovation Awards winners. 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 hardtech to digital solutions — recently making headlines in Houston innovation.

Wogbe Ofori, founder and chief strategist of WRX Companies

Wogbe Ofori, founder and chief strategist of WRX Companies, joins the Houston Innovators Podcast to discuss hardtech and Houston as an innovative city. Photo via LinkedIn

To Wogbe Ofori, the definition of entrepreneurship is simple: "To be more opportunity centric than risk averse." And Houston, as he says, has be entrepreneurial for a very long time — despite it being considered the specialty of a certain coastal region.

"Silicon Valley has hijacked the concept of innovation and entrepreneurship, and this city has been filled with entrepreneurs long before the concept of 'tech entrepreneurs,'" Ofori says on this week's episode of the Houston Innovators Podcast.

Ofori, the founder and chief strategist of WRX Companies, has developed a keen eye for entrepreneurship and innovation activity in Houston and shares his observations on the show. An adviser to Nauticus Robotics and strategist to Intuitive Machines and Jacobs, he's also served as a mentor across the local innovation community. Read more or listen below.

Amy Chronis, vice chair, US Energy and Chemicals Leader and Houston managing partner at Deloitte

Amy Chonis shares Houston listmakers from Deloitte's annual report. Photo courtesy Deloitte/AlexandersPortraits.com

Deloitte just unveiled the fastest-growing technology companies in North America — and four businesses from Houston made the cut.

For the 29th year, 2023 Technology Fast 500 ranked top tech, media, telecommunications, life sciences, and energy technology companies based on fiscal year revenue growth from 2019 to 2022. While no Houston business was able to break into the top 100, four did make the cut for this year's list.

“It is great to see Houston represented alongside established technology hubs on this year’s Fast 500 list,” Amy Chronis, vice chair, US Energy and Chemicals Leader and Houston managing partner at Deloitte, says in a statement. “Houston is planting seeds for future innovation, and the companies named to this year’s list confirm our city’s value proposition as an innovative community. We look forward to this growth continuing in the future and extend our congratulations to this year’s Houston winners.” Read more.

Steve Altemus, co-founder, president, and CEO of Intuitive Machines

Intuitive Machines has some big news. Photo via intuitivemachines.com

Intuitive Machines has landed a nearly $9.5 million Air Force contract to develop technology for NASA’s Gateway project, the first space station that will orbit the moon. Specifically, the technology will support a high-powered nuclear fission system that will supply electricity for satellites, bypassing the need for power from solar, battery, or fuel-cell sources.

“As space exploration ventures become more ambitious and diverse, the need for efficient and reliable power sources in space is paramount,” Pete McGrath, vice president of business development at Intuitive Machines, says in a news release. “Developing the ability to expand power sources beyond solar, which requires heavy battery storage, could remove the burden of constantly worrying about a spacecraft’s arrays relative to the sun, and potentially deliver long-term stability for satellites that would otherwise lose power over time.”

Second, Intuitive Machines has set January window for the launch of its IM-1 lunar mission in conjunction with private aerospace company SpaceX. The liftoff is targeted for a multiday window that opens January 12, 2024. Read more.

The 2023 Houston Innovation Awards winners

The 2023 Houston Innovation Awards revealed its big winners across 13 categories. Photos courtesy

Who are the top innovators and startups in Houston? We just found out for you. The Houston Innovation Awards honored over 50 finalists categories, naming the 12 winners at the event. The 2023 Trailblazer Award recipient, Brad Burke, managing director of the Rice Alliance for Technology and Entrepreneurship, was also honored at the event by inaugural winner, Barbara Burger. Read more.

Four Houston companies ranked on Deloitte's annual list, but none were able to crack the top 100. Photo via Getty Images

Annual report ranks 4 Houston tech companies on list of fasting growing businesses

trending up

Deloitte just unveiled the fastest-growing technology companies in North America — and four businesses from Houston made the cut.

For the 29th year, 2023 Technology Fast 500 ranked top tech, media, telecommunications, life sciences, and energy technology companies based on fiscal year revenue growth from 2019 to 2022. While no Houston business was able to break into the top 100, four did make the cut for this year's list.

“It is great to see Houston represented alongside established technology hubs on this year’s Fast 500 list,” Amy Chronis, vice chair, US Energy and Chemicals Leader and Houston managing partner at Deloitte, says in a statement. “Houston is planting seeds for future innovation, and the companies named to this year’s list confirm our city’s value proposition as an innovative community. We look forward to this growth continuing in the future and extend our congratulations to this year’s Houston winners.”

The four Houston companies that make the 2023 list are:

  • Direct Digital Holdings at No. 108 with 1,325 percent growth
  • Liongard at No. 208 with 680 percent growth
  • NatGasHub.com at No. 356 with 364 percent growth
  • P97 Networks at No. 506 with 225 percent growth

Thirty Texas companies made the list of the 541 ranked, making it the fourth most concentrated hub on the list behind the Bay Area, Tri-State Area, and New England. The companies on the list reported a revenue growth ranging from 201 percent to 222,189 percent over the three-year time frame from 2019 to 2022. The average growth rate was 1,934 percent and a median growth rate of 497 percent.

“Each year, we look forward to reviewing the progress and innovations of our Technology Fast 500 winners," Paul Silverglate, vice chair, Deloitte LLP and U.S. technology sector leader, says in the release. "This year is especially celebratory as we expand the number of winners to better represent just how many companies are developing new ideas to progress our society and the world, especially during a slow economy. While software and services and life sciences continue to dominate the top 10, we are encouraged to see other categories making their mark."

Software dominated the industry breakdown with 57 percent of the companies working in that field. However, the top company for 2023 was Vir Biotechnology Inc., a life science company that developed a COVID-19 treatment. Vir was also the top company in 2022.

Last year, only one Houston company made the list. At No. 372 Onit reported a revenue increase of 369 percent. The company also made the 2021 list, along with Graylog and Enercross.

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9 can't-miss Houston business and innovation events for March

where to be

Editor's note: March is here, and that means the return of some of Houston’s signature innovation events, as well as insightful talks and a Mardi Gras block party. Here are the Houston business and innovation events you can't miss in March and how to register. Please note: this article might be updated to add more events.

March 5 – SheSpace Women’s Day Open House

Connect with like-minded women during a free day of coworking at SheSpace. And while you're there, take a break and enjoy a floral arranging class, complimentary breakfast, pop-up shops, happy hour and raffle prizes. Space is limited.

The event is Wednesday, March 5, from 9 a.m.–7 p.m. Click here to register.

March 5 — Science and the American Presidency

Hear from former presidential science advisors—Kelvin Droegemeier who served under President Trump, Neal Lane who served under President Clinton and Alondra Nelson who served under President Biden—as they discuss their experiences leading the White House Office of Science and Technology Policy and how science is used to address issues from climate change and public health to national security and economic competitiveness. An exhibit inside Baker Hall will complement the event. The Baker Institute Science and Technology Policy Program and Rice Innovation will host the talk.

This event is Wednesday, March 5, from 5:30–8 p.m. at James A. Baker Hall. Click here to register.

March 6 — Ion Block Party - Mardi Gras Edition 

Let the good times roll this week while networking with potential collaborators, mentors and investors at the Ion. Food and drink will be available while supplies last and the Ion will provide drink tickets for one free drink at Second Draught upon check-in.

This event is Thursday, March 6, from 4–7 p.m. at the Ion. Click here to register.

March 10-14 — CERAWeek 2025

The foremost annual gathering in the energy sector returns to Houston March 10-14, 2025. Themed "Moving Ahead: Energy strategies for a complex world," CERAWeek 2025 will focus on the challenges ahead for energy security, supply, and climate ambitions. More than 10,000 participants from over 2,050 companies across 80 countries will convene in Houston for this ambitious event. CERAWeek comprises three platforms: the Executive Conference, the Innovation Agora, and Partner Programs. We'll dive into comprehensive CERAWeek recommendations in future articles.

This event begins Monday, March 10. Click here to register.

March 11 — Energy Venture Day at the Ion

Preview pitches from 40-plus energy ventures competing at CERAWeek's Energy Venture Day and Pitch Competition, co-hosted by the Rice Alliance, Ion, HETI, and TEX-E. This free, fast-paced pitch event offers an alternative to the CERAWeek event, which requires an Agora pass.

This event is Tuesday, March 11, from 9 a.m.–2:30 p.m. Click here to register.

March 13 — Code4Y'allMeetup

Connect with fellow coders at Code4Y’all's meetup at the Ion. Andrew Baines, Founder of No Experience Jobs, will present "How I Built a Job Board to Help Entry-Level Tech Talent (And What I Learned)." Hear from Baines and learn lessons from job seekers.

This event is Thursday, March 13, from 6–7 p.m. Click here to register.

March 17 — Women in Innovation 

Celebrate Women's History Month with an engaging panel discussion hosted by the University of Houston's Division of Energy and Innovation. UH's Tanu Chatterji, Stacey Gorniak and Chrysa Latrick will discuss the achievements of trailblazing women across various industries, as well as share challenges and experiences. Lunch will be provided.

This event is Monday, March 17, from noon–1 p.m. at UH's Faculty Cafe. Find more information here.

March 24-28 — H-Town Roundup 2025

Celebrate innovation, entrepreneurship and collaboration this month during Houston Exponential's H-Town Roundup. During the fifth-annual free event series, previously known as Houston Tech Rodeo, attendees can expect insightful talks, workshops and networking events at venues across the city like the Ion, Greentown Labs, University of Houston and more.

This event begins Monday, March 24. See the full schedule of events here.

​March 27 — NASA Tech Talks

Every fourth Thursday of the month, NASA experts, including longtime engineer Montgomery Goforth, present on technology development challenges NASA’s Johnson Space Center and the larger aerospace community are facing and how they can be leveraged by Houston’s innovation community. Stick around after for drinks and networking at Second Draught.

This event is Thursday, March 27, from 6-7 p.m. at the Ion. Register here.

Texas startup's lunar lander aces moon touchdown with special delivery for NASA

Touchdown

A private lunar lander carrying a drill, vacuum and other experiments for NASA touched down on the moon Sunday, the latest in a string of companies looking to kickstart business on Earth's celestial neighbor ahead of astronaut missions.

Firefly Aerospace’s Blue Ghost lander descended from lunar orbit on autopilot, aiming for the slopes of an ancient volcanic dome in an impact basin on the moon’s northeastern edge of the near side.

Confirmation of successful touchdown came from the company's Mission Control outside Austin, Texas, following the action some 225,000 miles away.

“You all stuck the landing. We’re on the moon,” Firefly’s Will Coogan, chief engineer for the lander, reported.

An upright and stable landing makes Firefly — a startup founded a decade ago — the first private outfit to put a spacecraft on the moon without crashing or falling over. Even countries have faltered, with only five claiming success: Russia, the U.S., China, India and Japan.

A half hour after landing, Blue Ghost started to send back pictures from the surface, the first one a selfie somewhat obscured by the sun's glare. The second shot included the home planet, a blue dot glimmering in the blackness of space.

Two other companies’ landers are hot on Blue Ghost’s heels, with the next one expected to join it on the moon later this week.

Blue Ghost — named after a rare U.S. species of fireflies — had its size and shape going for it. The squat four-legged lander stands 6-foot-6-inch tall and 11 feet wide, providing extra stability, according to the company.

Launched in mid-January from Florida, the lander carried 10 experiments to the moon for NASA. The space agency paid $101 million for the delivery, plus $44 million for the science and tech on board. It’s the third mission under NASA’s commercial lunar delivery program, intended to ignite a lunar economy of competing private businesses while scouting around before astronauts show up later this decade.

Firefly’s Ray Allensworth said the lander skipped over hazards including boulders to land safely. Allensworth said the team continued to analyze the data to figure out the lander's exact position, but all indications suggest it landed within the 328-foot target zone in Mare Crisium.

The demos should get two weeks of run time, before lunar daytime ends and the lander shuts down.

It carried a vacuum to suck up moon dirt for analysis and a drill to measure temperature as deep as 10 feet below the surface. Also on board: a device for eliminating abrasive lunar dust — a scourge for NASA’s long-ago Apollo moonwalkers, who got it caked all over their spacesuits and equipment.

On its way to the moon, Blue Ghost beamed back exquisite pictures of the home planet. The lander continued to stun once in orbit around the moon, with detailed shots of the moon's gray pockmarked surface. At the same time, an on-board receiver tracked and acquired signals from the U.S. GPS and European Galileo constellations, an encouraging step forward in navigation for future explorers.

The landing set the stage for a fresh crush of visitors angling for a piece of lunar business.

Another lander — a tall and skinny 15-footer built and operated by Houston-based Intuitive Machines — is due to land on the moon Thursday. It’s aiming for the bottom of the moon, just 100 miles from the south pole. That’s closer to the pole than the company got last year with its first lander, which broke a leg and tipped over.

Despite the tumble, Intuitive Machines' lander put the U.S. back on the moon for the first time since NASA astronauts closed out the Apollo program in 1972.

A third lander from the Japanese company ispace is still three months from landing. It shared a rocket ride with Blue Ghost from Cape Canaveral on Jan. 15, taking a longer, windier route. Like Intuitive Machines, ispace is also attempting to land on the moon for the second time. Its first lander crashed in 2023.

The moon is littered with wreckage not only from ispace, but dozens of other failed attempts over the decades.

NASA wants to keep up a pace of two private lunar landers a year, realizing some missions will fail, said the space agency's top science officer Nicky Fox.

“It really does open up a whole new way for us to get more science to space and to the moon," Fox said.

Unlike NASA’s successful Apollo moon landings that had billions of dollars behind them and ace astronauts at the helm, private companies operate on a limited budget with robotic craft that must land on their own, said Firefly CEO Jason Kim.

Kim said everything went like clockwork.

“We got some moon dust on our boots," Kim said.

Houston startup Nap Bar pivots with VR and big plans for growth

power nap

Houston’s Khaliah Guillory takes a 30-minute nap every day. She says this is how she’s so productive.

The habit also led to the founding of her white-glove, eco-friendly rest sanctuary business, Nap Bar.

Guillory launched the luxury sleep suites company back in 2019 to offer a unique rest experience with artificial intelligence integration for working professionals, entrepreneurs and travelers who needed a place to rest, recharge and rejuvenate. The company was named a Houston Innovation Awards finalist last year.

She says naps are backed by science. And by her professional network, too.

“Once I polled and surveyed my friends, most of them said that they also took naps during their lunch break, whether it be in their office or in their car,” says Guillory, former vice president of marketing strategy at Wells Fargo. “Once they overwhelmingly agreed that they would absolutely use a dedicated place for them to take naps if I created it, I got to work, and Nap Bar was born.”

Simply put, Guillory has effectively made it acceptable and, yes, even cool for working adults to take naps.

“I played D1 basketball at the University of Central Florida and that’s really where I learned the art of a power nap and the benefits of it,” Guillory says. “And I just continued to nap throughout my corporate career. So, in November of 2018, I retired from corporate America … I just knew I had a higher calling to do something else.”

Guillory first opened up shop in Rice Village as a beta test for her novel nap idea and it took off. She soon forged strategic partnerships with organizations like UT Health, where Nap Bar provided much-needed naps to postpartum mothers.

“Nap Bar showed what the benefits of a good nap was, specifically to postpartum moms in terms of mental stressors, productivity, and things of that nature,” Guillory says.

In November 2019, Guillory moved Nap Bar to The Galleria and says the business produced revenue from day one. However, in March 2020, she was forced to shut us down due to the COVID-19 pandemic.

“I promised myself that I was not going back to corporate America, so I pivoted. I moved forward by creating a better sleep box, with a vegan pillow mist and soy-based candle. I also became a certified sleep coach. And I just kept pivoting from there, reinventing Nap Bar as a company,” she says.

One pivot included adding a virtual reality sleep experience, MetaSnooze.

“MetaSnooze is a really cool technology that offers sleep therapy and relaxation that I curated myself,” Guillory says. “Basically, the user puts on the VR headset, and it escapes them. They're transported to places all over the country. For example, they're sitting in serene environments all the while listening to these rhythmic beats that are designed to help them release and relax. Visualizations have been scientifically proven to improve one’s mental health and mental stressors.”

Guillory initially rolled out MetaSnooze in 2020 at events like South by Southwest and kept improving the experience and building her business. By February 2024, she was curating a wellness experience at The Grammy Awards.

“That was huge for us,” Guillory says. “Being able to get feedback from the celebrities, with a handful of them even inquiring where they could purchase the headset. They were excited about the future of Nap Bar, so that was really, really cool.”

The widespread interest in Nap Bar has Guillory thinking big. She aims to expand to 30 locations in three years.

“When I say that, it sounds ambitious,” says Guillory. “It is, but I come from the school of thought that if you shoot for 30 and you get 25, no one's going to shake their finger at you for doing that, right? It's really aiming towards this big, hairy, audacious goal. I learned that in corporate America. So, what we're looking to do now is raise money like crazy.”

Guillory says she’s now looking to scale the business by partnering with like-minded investors with experience in the wellness space.

She envisions locations at national and international airports, which she says offer ripe scenarios for patrons needing to recharge. Additionally, Guillory wants to build on her initial partnership with UT Health by going onsite to curate rest experiences for patients, caregivers, faculty, staff, nurses and doctors. Colleges also offer an opportunity for growth.

“We’ve done some really cool pop-ups with the University of Houston, where we brought the rest experience on campus,” Guillory says. “That means we bring a portable, full-size, organic mattress with disposable sheets, as well as our virtual reality experience.”

Nap Bar will also serve companies, office buildings, and even sports venues, according to Guillory.

“We can literally go any and everywhere,” she says. “Our collected data suggests that we’ve just got to go where sleepy people are so that they can get restorative sleep.”

From a pricing standpoint, Nap Bar’s model is a dollar a minute. Depending on where the client is, the pop-up experience is based on a day rate or a half-day rate, starting at $4,000.

Add-ons include a full-size organic mattress or hosting a masseuse or massage therapist onsite.

With the Grammys already under her belt, Guillory would like to see Nap Bar utilized at the 2028 Olympics and build partnerships with other virtual reality companies to bring its licensed MetaSnooze software to the masses.

She also sees opportunities in athletic treatment, sleep apnea, and insomnia.

“We have done several studies with proven results that MetaSnooze has reduced mental stressors and anxiety,” Guillory says. “I'm excited about what the future holds for MetaSnooze. It definitely is a game-changer … We will continue to innovate sleep or provide sleep resources and tools in a very innovative way.”