How many investments has Lime Rock Partners made?

Lime Rock Partners has 108 tracked investments.

What stage does Lime Rock Partners invest at?

Lime Rock Partners invests at the Growth stage.

What is Lime Rock Partners's typical check size?

Lime Rock Partners typically writes checks of $50M – $150M.

What sectors does Lime Rock Partners focus on?

Lime Rock Partners focuses on Energy.

Where is Lime Rock Partners located?

Lime Rock Partners is headquartered in Houston, US.

Does Lime Rock Partners lead rounds?

Yes, Lime Rock Partners leads investment rounds.

Lime Rock Partners

Private equity

Houston · Growth · 19 people tracked

Also known as LIME ROCK MANAGEMENT LP

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Find your way into Lime Rock Partners

1,737 people in our graph share verified history with the Lime Rock Partners team — schools, employers, funds. One of them is your warm intro.

Kyle Dohertyunlockedknows Greg Highberger · together at Harvard Business School (overlapped)

×3knows the team · via Stanford University

knows the team · via Harvard Business School

knows the team · via Boston College

×3knows the team · via University of Houston

×2knows the team · via Latham & Watkins LLP

✨ Fox Verdict

Investment thesis

Lime Rock Partners describes itself as a creative private equity investment partner that builds differentiated, high-growth businesses side by side with management teams. Its focus is on the energy sector, particularly exploration & production (E&P) and oilfield services companies worldwide. A related team, Lime Rock Resources, acquires, operates, and improves lower-risk oil and gas properties in the United States, while Lime Rock New Energy addresses newer energy opportunities. Across its Lime Rock Partners, Lime Rock Resources, and Lime Rock New Energy funds, the firm has raised more than $10.4 billion in private capital commitments since its 1998 inception and completed over 100 investments.

Invests inEnergy Global Houston

Source: firm website, verified Sep 15, 2026.

Stage

Growth

Check

$50M – $150M

Houston, US

Leads rounds

Leads

Instruments

Equity

Founded

1998

AUM

$5.5B

Tracked investments

108

Team · 19 people

from the firm's website & public directories

John Reynolds· Co-founder / Chairman· New York City Metropolitan Areain

Co-founder of Lime Rock Partners who led the firm with Jonathan Farber since 1998. He is assuming the role of Chairman while continuing to serve on the Investment Committee and portfolio company boards.

Jonathan Farber· Co-founder / Senior Advisor

Co-founder of Lime Rock Partners who led the firm alongside John Reynolds since 1998. He is transitioning to a Senior Advisor role upon the launch of the next fund while remaining on the Investment Committee and portfolio company boards.

J McLane· Investment Committee Lead· Houston, Texas, United States

Has led the Lime Rock Partners Investment Committee for most of the past decade and continues in that leadership role.

Jeffrey Scofield· President· Houston

Jeffrey Scofield is President of Lime Rock Partners, having joined the firm in 2005 and previously served as Managing Director (2011) and Chief Operating Officer of the investment team (2015). He has led investments in the E&P, mineral and royalty, and oilfield service sectors in North America and internationally. Before Lime Rock, he worked in the investment banking groups of Harrison Lovegrove & Co., Credit Suisse, and Donaldson, Lufkin & Jenrette, and he holds a B.A. from Vanderbilt University.

Dylan Blackford· Managing Director· Houstonin

Blackford joined Lime Rock Partners in 2015 and was promoted to Managing Director in the Houston office. He has led sourcing, evaluation, and execution of E&P and oilfield service opportunities for over a decade, and previously was an analyst in Raymond James's Energy Investment Banking Group. He holds a B.S.M. from Tulane University's A.B. Freeman School of Business.

Allie Stone

Andrew Gautier-Winther· Houston, Texas, United Statesin

Anu Mehta· New York, New York, United Statesin

Ben Burns· Houston, Texas, United Statesin

Bryan Trammell

Deb Stillman· Westport, Connecticut, United Statesin

Greg Highberger· Houston, Texas, United Statesin

Griffin Wilson· Houston, Texas, United Statesin

Griffin Wilson is an Associate at Lime Rock Partners, based in the firm's Houston office. He earned degrees in Finance, Management Science, and Mathematics from Southern Methodist University.

Mark Kilday· United Kingdomin

Nick Amendola

Patrick Lauria· London, England, United Kingdomin

Patrick Lauria is Director of Tax Structuring and Assistant Counsel at Lime Rock Partners, where he leads tax due diligence, planning, and structuring for portfolio company investments and exits, and supports the firm's contracts, regulatory compliance, fund formations, fundraising, secondaries, and AML/KYC compliance. He previously served as a tax manager at a New York-based hedge fund company and family office, and worked in the alternative asset management practices of PricewaterhouseCoopers, Ernst & Young, and Marcum & Kliegman, providing tax planning, consulting, and compliance services to hedge funds, private equity funds, fund sponsors, and institutional and foreign investors.

Ryan Haselden· Houston, Texas, United Statesin

Susan Oswald· Executive Officer

Mark A. McCall· Executive Officer

Founder mafia

3 people who came through Lime Rock Partners went on to found or lead other companies.

Elie SeidmanVenture PartnerFounded Tinder John ReynoldsCo-founder / ChairmanFounded Limerock Ben SteinInternFounded Double

What they invest in

from 13 of 108 portfolio companies

Energy ×12Enterprise Software ×5Deep Tech ×4Hardware ×4Advanced Manufacturing ×3Construction Tech ×3Cleantech ×2Climate Tech ×2

HQs:United States×5United Kingdom×3United Arab Emirates×1Canada×1France×1

Investments · 108 tracked

founders shown can be your intro path

Prime Rock Resourcesprimerockresources.com✓ verified

Prime Rock acquires and develops unconventional oil and gas assets in the Delaware Basin and Louisiana Austin Chalk.

EnergyMidland, US

Manny Sirgo(Founder)in

VES Survey Internationalvessurvey.com✓ verified

VES Survey International is the largest independent wellbore survey company in the United States, providing gyro survey and inertial navigation technology and services to the oil and gas industry.

Deep TechEnergyHardwareCorpus Christi, US

Nick Wallis

Acteon Groupacteon.com in

Acteon provides offshore infrastructure services supporting energy assets across their full lifecycle, including data-driven insights, engineering consultancy, and offshore execution services.

CleantechClimate TechConstruction TechEnergyEnterprise Software

Arena Energyarenaenergy.com

Arena Energy identifies and develops oil and gas drilling opportunities in the Gulf of Mexico.

EnergyThe Woodlands, US

Michael Vallejo(President | Chief Financial Officer)in

Axis Energy Servicesaxisofs.com in 𝕏

Axis provides health, safety, and environment (HSE) training, competency development programs, and technology platforms for oilfield and well service operations.

EnergyEnterprise SoftwareIoTSaaSDallas, US

Clay Holland(Chief Operating Officer)in

EnerMechenermech.com in

EnerMech provides integrated solutions for complex energy infrastructure projects, combining equipment, technology, and expert services across the full asset lifecycle for global clients.

Advanced ManufacturingEnergyEnterprise Software

Charles 'Chuck' Davison Jr.(CEO)in

PanGeo Subseapangeosubsea.com in 𝕏

Kraken Robotics is a marine robotics company that develops innovative solutions for underwater exploration and technology applications.

Deep TechDefense TechHardwareRoboticsHalifax, CA

Greg Reid(Chief Executive Officer)inBernard Mills(President)in

Co-investorsEV Private Equity

Reelwellreelwell.com in

Reelwell develops wired drillpipe technology for the oil and gas downhole drilling sector, offering digital telemetry, power delivery, and improved reliability for both land and offshore drilling operations.

Deep TechEnergyHardware

Ian Silvesterin

Serimaxserimax.com in

Serimax provides tailored welding solutions including engineering, manual and automatic welding, procedure qualification testing, and welder training for industrial projects.

Advanced ManufacturingConstruction TechEnergyEnterprise SoftwareParis, FR

Guillaume Graindor(Group Director)inMickaël Dolou(Group Director, Strategic Planning and Contracting)inBertrand Coudrat(Group Director, Finance and Information Technology)in

Shelf Drillingshelfdrilling.com

Shelf Drilling operates a fleet of jack-up drilling rigs that provide offshore oil and gas drilling services to energy companies globally.

Construction TechEnergyDubai, AE

Silixasilixa.com in

Silixa develops distributed fibre optic sensing systems for real-time monitoring in energy, infrastructure, and environmental applications.

Deep TechEnergyHardwareIoT

Mahmoud(Co-founder)Tom(Co-founder & Chief Technology Officer)

TWMAtwma.com in 𝕏

TWMA designs, manufactures, and installs equipment and solutions for the safe transfer, storage, and processing of drilling waste and associated materials from offshore and onshore oil and gas operations.

Advanced ManufacturingCleantechClimate TechEnergyEnterprise SoftwareAberdeen, GB

Halle Aslaksen(Chief Executive Officer)Mark Walker(Chief Financial Officer)Simon Tyldsley(Chief Operating Officer)in

Other

Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.

A&B ValveAccessESPADB SystemsAirisArcherArdyneArdyne Technologies LtdArena ExplorationArena GulfAthena EnergyAugustus Energy PartnersAugustus Energy Partners IIBasin PropertiesBattlecat Oil & GasBlack Shire EnergyBlackjewelBraden ExplorationBraden Exploration IIBridge EnergyC&M GroupCaledusCapstoneCapstone Natural ResourcesCapstone Natural Resources IICGGChinook EnergyCor4 OilCoronado ResourcesCrownRockCrownRock MineralsCrownRock Non-OpDeer Creek EnergyDownstream EnergyDuonEastern DrillingEndurance ResourcesEndurance TexasEnergy North SeaEVExpert PetroleumGas2GEODynamicsHercules OffshoreIPECIracore InternationalITS Energy ServicesLafayette WorkboatLaricina EnergyLiquila VenturesLivingstone Joint VentureLMP ExplorationMarauder ResourcesNATCO GroupNoble Rochford DrillingNQL Energy ServicesOiLSERVPatriot DrillingPDC MountaineerPentacor EnergyPrairie EnergyPSLPSL Energy ServicesReservoir Exploration TechnologyReveal Energy ServicesRMP EnergyRod and Tubing ServicesRoxarSan Jacinto MineralsSDI GasSensaSenscientSilverstone EnergySilvertip Completion ServicesSlate River ResourcesSmartSynchSouthwest Oilfield ProductsTAWTercel Oilfield ProductsTerraSpark GeosciencesTescoTGT Oilfield ServicesTiway OilTorch OffshoreTorex ResourcesTransform ExplorationTwisterU S Exploration HoldingsUTEC InternationalV-TechVantage EnergyVantage Energy IIVEDCO HoldingsVenture ProductionWayfinder ResourcesXtreme DrillingXtreme Drilling Coil Services

Fund performance · per public LP disclosures · 7

as of Sep 2021

Fund	Vintage	Committed	Net IRR	TVPI	DPI
Lime Rock Partners IV AF, L.P.LPs: California Public Employees' Retirement System, Carnegie Corporation of New York, Rockefeller Foundation	2018	—	14.3%	1.45x	0.02x
Lime Rock Partners VIII, L.P.LPs: District of Columbia Retirement Board, Carnegie Corporation of New York	2017	—	11.4%	1.61x	1.10x
Lime Rock Partners VII, L.P.LPs: District of Columbia Retirement Board, Carnegie Corporation of New York	2015	—	18.1%	1.93x	1.62x
Lime Rock Partners VI, L.P.LPs: The Regents of the University of California, District of Columbia Retirement Board, Robert Wood Johnson Foundation	2011	—	-3.8%	0.91x	0.91x
Lime Rock Partners V, L.P.LPs: California Public Employees' Retirement System, The Regents of the University of California, Carnegie Corporation of New York +4 more	2008	—	-2.6%	0.88x	0.75x
Lime Rock Partners IV, LPLPs: California Public Employees' Retirement System, Carnegie Corporation of New York, John S. and James L. Knight Foundation +1 more	2006	—	14.6%	2.91x	2.91x
Lime Rock Partners III, L.P.LPs: California Public Employees' Retirement System, Carnegie Corporation of New York, Rockefeller Foundation	2004	—	-12.5%	0.53x	0.49x

Source: public limited-partner disclosures (CalPERS, CalSTRS). Net IRR / TVPI / DPI as reported by the limited partner; a fund's early-year IRR is an interim estimate (J-curve).

Frequently asked questions

How many investments has Lime Rock Partners made?: Lime Rock Partners has 108 tracked investments.
What stage does Lime Rock Partners invest at?: Lime Rock Partners invests at the Growth stage.
What is Lime Rock Partners's typical check size?: Lime Rock Partners typically writes checks of $50M – $150M.
What sectors does Lime Rock Partners focus on?: Lime Rock Partners focuses on Energy.
Where is Lime Rock Partners located?: Lime Rock Partners is headquartered in Houston, US.
Does Lime Rock Partners lead rounds?: Yes, Lime Rock Partners leads investment rounds.

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