Amberjack Capital

https://www.amberjackcapital.com

Last activity: 22.08.2026

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We empower companies to unearth their potential, build lasting value and break apart from the crowd.

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Location

United States, Texas, Houston

Employees

11-50

Investment Stage

Private Equity

Persons 15

Date	First Name	Last Name	Title	LinkedIn	Twitter	Email	Location
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	Will	Donnell	Managing Director	LinkedIn
	Camila	Gandolfo	Associate	LinkedIn
	Jason	Turowsky	Managing Partner	LinkedIn
	Chris	Trampe	Controller & CCO	LinkedIn
	Patrick	Conroy	Managing Director	LinkedIn
	Erica	Patrick	Senior Accountant	LinkedIn
	Jonathan	Clark	Assistant Controller
	Nick	Elder	Associate	LinkedIn
	Stacy	Michalski	Executive Administrator	LinkedIn
	Michael	Welsh	Vice President	LinkedIn
	Frank	W. Schageman	Operating Partner	LinkedIn
	Alexander	Valdez	Principal	LinkedIn
	Melissa	Rocco	CFO	LinkedIn
	Walter	Grollitsch	General Counsel, Chief Compliance Officer, and Head of Intellectual Property	LinkedIn

News 35

Date	Title	Description
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Jul 31, 2025	Amberjack Capital Announces Exit of Entegra	HOUSTON–(BUSINESS WIRE)–Amberjack Capital Partners (“Amberjack”), a Houston-based private equity firm focused on critical infrastructure services, today announced the successful sale of its portfolio company Entegra to NDT Global. Entegra i...
May 7, 2025	Industrial Thermal Services Expands National Reach	NEDERLAND, Texas--(BUSINESS WIRE)--Industrial Thermal Services (ITS), a leading provider of industrial heat treatment and specialty services, has acquired On-Site Stress Relieving Services (OSR), a regional expert in post-weld heat treating...
May 1, 2025	FlexEnergy Solutions Sells Canadian Operations	CENTENNIAL, Colo. –(BUSINESS WIRE)– FlexEnergy Solutions (“FlexEnergy”), a leader in reliable, clean, on-demand power solutions, today announced the signing of a Purchase and Sale Agreement to sell 100% of its shares of Flex Leasing Power a...
Apr 28, 2025	Amberjack Capital Forms Partnership with Industrial Thermal Services	HOUSTON–(BUSINESS WIRE)–Amberjack Capital Partners (“Amberjack”), a private equity firm investing in critical infrastructure services, today announced its partnership with Industrial Thermal Services, LLC (“ITS”), a premier provider of indu...
Oct 30, 2024	Innovex and Dril-Quip Complete Merger, Creating Unique Energy Industrial Platform	HOUSTON, TX / ACCESSWIRE / September 6, 2024 / Dril-Quip, Inc. (NYSE:DRQ) ("Dril-Quip" or the "Company"), a leading developer, manufacturer and provider of highly engineered equipment and services for the global offshore...
Sep 24, 2024	Amberjack Capital Announces the Promotion of Will Donnell to Managing Director	Since joining the firm in 2016, Will has made valuable contributions to Amberjack. As a result of the growing leadership responsibilities Will has assumed within the firm, the Partners of Amberjack are pleased to promote Will to serve as a ...
Jul 18, 2024	Amberjack Completes Successful Exit of Best Trash, a Leading Municipal Solid Waste and Recycling Business	Headquartered in Richmond, Texas, Best Trash is a market-leading municipal solid waste platform serving the residential waste and recycling collection needs of high-growth markets in the greater Houston metro region. Best Trash’s core custo...
Oct 13, 2023	Amberjack Capital Partners Completes the Sale of Milestone Environmental Services to SK Capital Partners	Milestone was founded in 2014 via a partnership between the Company’s executive management team and Amberjack to pioneer a proprietary and environmentally superior method of disposing mission-critical and challenging energy waste streams. S...
Feb 8, 2022	Milestone and Community Bank of Texas, N.A. Announce Arrangement of Sustainability-Linked Loan	Milestone Environmental Services, LLC (“Milestone”) and Community Bank of Texas, N.A. are pleased to announce a $45 million Sustainability-Linked Loan (“SLL”) arranged for Milestone through Community Bank of Texas, N.A. with participation b...
Jan 24, 2022	TIER 1 Announces New CEO	Tier 1 Energy Solutions is pleased to announce the appointment of Rob Sutherland as Chief Executive Officer. Effective January 1, 2022, Mr. Sutherland will step into the shoes of Kevin O’Dwyer, our former CEO, who is transitioning to Chairm...
Jan 4, 2022	Milestone Acquires Active Haynesville Facility and Multiple Permits	Milestone Environmental Services, LLC (“Milestone”), one of the largest independent providers of energy waste sequestration services in the U.S., today announced that it has acquired an energy waste disposal facility in Center, Texas, effec...
Jun 22, 2021	Rod and Tubing Services and Certus Energy Solutions Combine to Form the Premier Provider of Oilfield Tubular Inspection and Integrity Services	Rod and Tubing Services, LLC (“RTS”), an oilfield leader in tubular and sucker rod inspection and integrity services, asset management, and related data analytics, announced that it completed a merger with Certus Energy Solutions (“Certus”)...
May 17, 2021	Intervale Capital Announces Rebrand to Amberjack Capital Partners	Intervale Capital, a leading growth oriented private equity investment firm that has raised over $1.3 billion of institutional committed capital, today announced it is changing its name to Amberjack Capital Partners (“Amberjack”). Amberjack...
Mar 31, 2021	Chart Industries acquires 5% ownership of Transform Materials and signs strategic commercial hydrogen MOU	Chart Industries Inc. (“Chart”) (NSYE: GTLS), a leading global manufacturer of liquefaction and cryogenic equipment serving multiple applications in the clean energy and industrial gas end markets, including hydrogen, today announced the co...
Mar 30, 2021	Transform Materials Expands Leadership Team with Appointment of Stuart Jara to CEO	Dynamic, seasoned business leader with strong chemical industry and clean-energy background coupled with extensive private equity and financing experience to lead Transform Materials, a green technology chemistry innovator, as it embarks on...
Dec 11, 2020	Tier 1 Energy Solutions Expands Production Products & Services Offering	Edmonton, AB (December 11, 2020) – Tier 1 Energy Solutions, Inc. (“Tier 1”) announced today that it has acquired Definitive Optimization, Ltd. (collectively, “Definitive”). Founded in 2009, Definitive designs, manufactures, and installs art...
Nov 10, 2020	Innovex Downhole Solutions to acquire Rubicon Oilfield International	Innovex Downhole Solutions, Inc. ("Innovex") announced today that it has entered into a definitive agreement to acquire Rubicon Oilfield International ("Rubicon"). The transaction is expected to close in early 2021 and w...
Sep 29, 2020	Milestone Environmental Solutions Awarded Permit for New Mexico Slurry Injection Oilfield Waste Disposal Facility	Milestone Environmental Services, LLC (“Milestone”), a portfolio company of Intervale Capital and one of the largest independent providers of oilfield waste disposal services in the U.S., announced today that the New Mexico Oil Conservation...
Sep 3, 2020	Intervale Capital Announces Promotion & Addition to Investment Team	Houston, TX (September 2020)– The Partners of Intervale Capital, LLC (“Intervale”) are pleased to announce the promotion of Alec Valdez to Senior Associate and the addition of Michael Welsh as Associate.
Jul 13, 2020	EnerCorp Engineered Solutions Combines with Pro Oil & Gas Services	The Woodlands, TX(July 13, 2020) – EnerCorp Engineered Solutions (“EnerCorp”), previously known as EnerCorp Sand Solutions, announced today that it has combined with Pro Oil& Gas Services, LLC (“Pro”), a provider of well flow management...
Feb 28, 2020	Tier 1 To Acquire Interest In Casing Expansion Technology Company	February 28, 2020
Feb 18, 2020	ENTEGRA Global Announces New CPCM Technology And Shell Licensing Agreement	INDIANAPOLIS, Feb. 18, 2020 /PRNewswire/ -- ENTEGRA®, a portfolio company of Intervale Capital, is once again expanding its global fleet of ILI tools with a new Cathodic Protection Current Measurement (CPCM) in-line inspection technology po...
Dec 16, 2019	Intervale Capital Announces the Promotion of Will Donnell to Vice President	Houston, TX (December 16, 2019) – The Partners of Intervale Capital (“Intervale”) are pleased to announce the promotion of Will Donnell to Vice President, effective immediately.
Oct 23, 2019	Intervale Capital Sells TorcSill Foundations to White Deer Energy	TorcSill is a leading provider of engineered helical pile and anchor foundation solutions across the energy, industrial, and power end markets. TorcSill’s turnkey product and service package includes in-house research and development, desig...
Jul 9, 2019	Intervale Capital Announces the Promotion of Patrick Conroy to Principal	Since joining the firm in 2015, Patrick has been responsible for the management of numerous aspects of Intervale’s energy products and services company portfolio. He currently serves as a director of Enercorp Sand Solutions, Pro Oil and Gas...
Jun 12, 2019	Innovex Downhole Solutions Enters Artificial Lift Market Through Acquisition of Quick Connectors	Founded in 1992, QCI is a leading manufacturer of artificial lift accessories for the electrical submersible pump (ESP) and gas lift end-markets. QCI is headquartered in Houston, Texas, and has operations in the Permian Basin, Bakken, Mid-C...
Apr 4, 2019	Sale of Epic Lift Systems to Tally Energy Services	Headquartered in Fort Worth, TX, Epic Lift Systems is a leading provider of plunger lift, gas lift and complementary compression solutions, serving hundreds of customers from 16 locations across the U.S.
Jan 21, 2019	Innovex Downhole Solutions Announces Appointment of Kendal Reed as Chief Financial Officer	Kendal previously served as Vice President at Intervale Capital, where he managed numerous investments in private oilfield services and equipment companies. In this capacity, Kendal worked closely with the Innovex management team by leading...
Sep 28, 2018	Innovex Downhole Solutions Acquires Buckhorn Casing Equipment	Houston,TX (September 28,2018) – Innovex Downhole Solutions, Inc. (“Innovex”) announced today that it has acquired the assets of Buckhorn Casing Equipment, LLC (“Buckhorn”). Founded in 2013, Buckhorn is a leading provider of casing equipmen...
Jan 16, 2018	Intervale Capital Acquires a Majority Stake in PDC Logic	Houston, TX (January 16, 2018) – Intervale Capital (“Intervale”), an energy-focused private equity firm, announced today that it has acquired a majority stake in PDC Logic (the “Company”), a manufacturer of highly engineered drilling and co...
Dec 22, 2017	Dynacorp Energy Services and Energes Oilfield Solutions Combine to Form EnerCorp Sand Solutions	Dynacorp Energy Services and Energes Oilfield Solutions Combine to Form EnerCorp Sand Solutions
Nov 1, 2016	Team Oil Tools, Antelope Oil Tool and Isolation Technologies merge to form Innovex Downhole Solutions	Team Oil Tools, LP(“Team”), Antelope Oil Tool & Manufacturing Co., LLC (“Antelope”) and Isolation Technologies, LLC (“IsoTech”) have merged to form Innovex Downhole Solutions, Inc. (“Innovex”), a leading provider of critical downhole pr...
May 5, 2016	Intervale Capital Invests in Dynacorp Energy Services	Intervale Capital (“Intervale”), an energy-focused private equity firm, has made a growth equity investment in Dynacorp Energy Services (“Dynacorp”). Dynacorp provides innovative sand management solutions, well testing and production proces...
Feb 10, 2016	Intervale Capital Backs Entegra, LLP	Intervale Capital (“Intervale”), an energy-focused private equity firm, has invested alongside a veteran management team to form Entegra, LLP (“Entegra”). Entegra provides in-line inspection (“ILI)” services to the energy industry. The comp...

Mentions in press and media 34

Date	Title	Description
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Sep 28, 2021	Research: 5 mistakes Houston entrepreneurs should be making	We all have heard "you learn from your mistakes," so, why do a lot of startup blogs warn entrepreneurs of the mistakes they shouldn't make when starting a business, but not very many tell them what mistakes they should be making? ...
Sep 28, 2021	High-tech virtual reality experience blasts into the Space City	From the earliest days of our circling the planet in a tiny NASA capsule — to Elon Musk's SpaceX current commercial journeys — Houston and space travel will be forever and inexorably linked. Fitting, then, that an unprecedented new immersiv...
Sep 27, 2021	Real estate giant to open another downtown Houston coworking hub	A new downtown Houston skyscraper that's on the rise and expected to be completed by the end of the year will offer flexible office space. Texas Tower will feature The Square, Hines' flexible office product, the international real estate fi...
Sep 27, 2021	University of Houston scores national award for championing diversity	Fresh off news of a new free health clinic for the homeless, the University of Houston is once again making headlines for its commitment to empowering the community. INSIGHT Into Diversity magazine has announced UH and the University of Hou...
Aug 10, 2021	How Houston companies can best learn and navigate startup etiquette	We often rely on frameworks, skillsets, and mindsets – many of which we can acquire in the classroom – to prepare us for a successful career. Even at Lilie, we emphasize the importance of entrepreneurial thinking and design processes. Yet w...
Aug 10, 2021	Houston businessman sells online gaming casino in $1.56B deal with fantasy sports tech company	DraftKings, the nationally renown fantasy sports and online sportsbook company (Nasdaq: DKNG), announced it will acquire Houston billionaire Tilman Fertitta's Golden Nugget Online Gaming, Inc. (Nasdaq: GNOG) in an all-stock transaction valu...
Aug 9, 2021	City of Houston launches pilot program to promote stormwater infrastructure growth	The City of Houston has launched a pilot project that will speed up the permitting process for environmentally friendly stormwater projects. The Green Stormwater Infrastructure Expedited Permitting Pilot Program, announced August 4, will ap...
Aug 2, 2021	3 Houston innovators to know this week	Editor's note: In this week's roundup of Houston innovators to know, I'm introducing you to three local innovators across industries — from energy to health care — recently making headlines in Houston innovation. Will Womble, CEO of Umbrage...
Aug 2, 2021	Rice University bioengineers create insulin-producing medical device	A team of bioengineers at Houston's own Rice University have created an implant that can produce insulin for Type 1 diabetics. The device is being created by using 3D printing and smart biomaterials. Omid Veiseh, an assistant professor of b...
Jul 29, 2021	These 10 Houston companies rank among best U.S. employers for young professionals	Ten businesses in the Greater Houston area are clocking in among the country's best employers for millennials, according to a new report. The Best Workplaces for Millennials list is published annually by Fortune magazine and compiled by Gre...
Jul 20, 2021	The way a workplace is structured can make or break business, Rice University research finds	It's a paradox of power: research shows that hierarchies often undermine the very structures they are designed to uphold. Within organizations, conflicts between members can erode entire systems. In a groundbreaking paper, Rice Business Pro...
Jul 19, 2021	Free virtual event helps healthtech companies go global	In the growing healthtech sector, two is better than one — two partners, that is. If you've ever been curious what collaborating with an international company would be like, HealthTech Beyond Borders can provide answers. The free virtual ev...
Jul 19, 2021	Exclusive: New accelerator launches to prepare Houston's future civic leaders	A new nonprofit program dedicated to preparing the future leaders of the city of Houston's is launching with the city's burgeoning innovation ecosystem in mind. HTXelerator is a three-month program that trains its group of aspiring politici...
Jul 16, 2021	Innovative brain injury rehabilitation center breaks ground in Southeast Houston	The Moody Neurorehabilitation Institute broke ground July 14 on a 64,000-square-foot research and rehabilitation center at Nassau Bay's Space Park, near NASA's Johnson Space Center. The Nassau Bay City Council granted a permit last year for...
Jul 14, 2021	ERCOT announces plan to improve Texas power grid reliability	Texas Gov. Greg Abbott recently demanded aggressive action from state utility regulators to shore up the power grid. Now, the Electric Reliability Council of Texas, or ERCOT, is revealing its plan to address improvements. On Tuesday, July 1...
Jul 12, 2021	3 Houston innovators to know this week	Editor's note: In this week's roundup of Houston innovators to know, I'm introducing you to three local innovators across industries — from medical device development to fintech — recently making headlines in Houston innovation. Stephanie C...
Jul 8, 2021	Fresh off a $1.4B exit, this Houston innovator is focused on funding medical device tech	Earlier this year, Houston-based serial entrepreneur Larry Lawson celebrated the exit of his medical device company, Preventice Solutions, which he sold to Boston ScientificBoston Scientific in a $1.4 billion deal. Nowadays, Lawson is laser...
Jul 8, 2021	These 10 Houston startups closed funding rounds in Q2	It's been a banner year for Houston startups raising funds. From an Amazon competitor emerging from stealth and snagging a $25 million series A to a $74 million series B for a clinical-stage biopharmaceutical company, Houston's innovative c...
Jul 5, 2021	Comcast gives 50 community centers in the Houston area an upgrade with free Wi-Fi	Comcast is giving a technology lift to thousands of people throughout the Houston metro area. The media and tech giant says it has started 50 WiFi-equipped "Lift Zones" at community centers across the region. These zones enable lo...
Jul 5, 2021	3 Houston innovators to know this week	Editor's note: In this week's roundup of Houston innovators to know, I'm introducing you to three local innovators across industries — from medical device development to fintech — recently making headlines in Houston innovation. Dan Purvis,...
Jul 2, 2021	Houston clean energy lab names 4 new companies to program	Halliburton Labs has doubled the number of clean energy companies that are operating out of its facilities with the addition of its second cohort. Four companies have been selected for the program, joining four existing member companies of ...
Jul 2, 2021	Houston's Johnson Space Center names history-making new director	NASA's Johnson Space Center in Houston has witnessed a universe of history-making moments. There's now another milestone to add to the list. On June 30, Vanessa Wyche was named director of Johnson Space Center, becoming the first Black woma...
Jul 2, 2021	5 most popular innovation stories in Houston this week	Editor's note: Another week has come and gone, and it's time to round up the top headlines from the past few days. Trending Houston tech and startup news on InnovationMap included innovators to know, a guest column on how veterans are leadi...
Jul 1, 2021	Houston expert looks into behavioral analytics in private equity, growth equity, and venture capital	Study after study puts the failure rate of mergers and acquisitions somewhere between 70 percent and 90 percent (2011, HBR). One KPMG study narrowed the band of M&A failures to 75 percent to 83 percent (2015, KPMG). One constant in the ...
Jul 1, 2021	Beloved Houston children's hospital once again named top in nation by prestigious report	Innovative and pioneering, Texas Children's Hospital has landed on many a best-of list. The latest is a ranking of the best pediatric hospitals in the nation by the prestigious U.S. News & World Report. Texas Children's ranks an impress...
Jun 30, 2021	Nominate now: InnovationMap announces inaugural Houston innovation awards	Calling all Houston innovators — now is your time to shine. InnovationMap and its partner, Houston-based Techwave, a global IT services and solutions provider, are pleased to present an inaugural set of awards honoring Houston's innovators ...
Jun 30, 2021	Local tech exec expands med device company into oil and gas in a 'uniquely Houston' way	When asked about founding his company, the first thing Dan Purvis wants to talk about is the culture. "The technology of today and the technology of 24 months from now will be very different," Purvis, CEO and founder of Houston-ba...
Jun 30, 2021	Amazon yet again expands its presence in Houston	Jeff Bezos' global powerhouse is showing no signs of slowing; indeed, its Houston-area footprint is growing. Amazon Logistics has announced plans to open a new 180,000-square-foot delivery station located in League City. This new outpost pr...
Jun 29, 2021	Houston-based veterans will lead the energy transition, says this expert	Many people living in Houston don't realize that the veteran community is taking an increasing leadership role in the energy transition. The Greater Houston area is the second largest veteran community in America with over 5,500 new veteran...
Jun 29, 2021	Houston energy exec launches well-plugging fintech	Long-time Houston energy executive Tony Sanchez has launched a new fintech company that aims to help oil and gas exploration and production operators decommission orphaned wells and cut down on greenhouse gas emissions. The company, OneNexu...
Jun 29, 2021	MassChallenge Texas names the 71 startups that make up its latest Houston cohort	Five Houston-based startups have been accepted into MassChallenge's 50th startup accelerator. Three of the local startups are part of the program's Houston cohort, and two are part of the Austin cohort. In all, 71 startups from around the w...
Jun 28, 2021	Houston-based research grant program doles out $23M to Texas scientists	One of the nation's largest private funders for health care research has announced $23 million in fresh funds — and about a third of that is going into the hands of Houstonians. The Welch Foundation, based in Houston, announced its 2021 res...
Jun 28, 2021	3 Houston innovators to know this week	Editor's note: In this week's roundup of Houston innovators to know, I'm introducing you to three local innovators across industries — from software to cryptocurrency — recently making headlines in Houston innovation. Spencer Randall, co-fo...

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FAQ about Amberjack Capital

What is the latest news about Amberjack Capital?

Parsers VC has 35 news items about Amberjack Capital, among them “Amberjack Capital Announces Exit of Entegra” (Jul 31, 2025) and “Industrial Thermal Services Expands National Reach” (May 7, 2025).

What has the press written about Amberjack Capital?

Parsers VC has collected 34 articles mentioning Amberjack Capital, among them “Research: 5 mistakes Houston entrepreneurs should be making” (Sep 28, 2021) and “High-tech virtual reality experience blasts into the Space City” (Sep 28, 2021).

Is Amberjack Capital still active?

Yes, Amberjack Capital is active; its latest activity on Parsers VC dates from Aug 22, 2026.