Fundraising FoxLime Rock Partners
Private equityHouston · Growth · 19 people tracked
Also known as LIME ROCK MANAGEMENT LP
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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.
Source: firm website, verified Sep 29, 2026.
Team · 19 people
from the firm's website & public directories
Founder mafia
3 people who came through Lime Rock Partners went on to found or lead other companies.
What they invest in
from 14 of 108 portfolio companiesEnergy ×13Enterprise Software ×5Hardware ×5Deep Tech ×4Advanced Manufacturing ×3Construction Tech ×3IoT ×3Cleantech ×2
HQs:United States×5United Kingdom×3United Arab Emirates×1Canada×1France×1
Investments · 108 tracked
founders shown can be your intro pathPrime 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 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 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
Co-investorsSouter InvestmentsOne Equity Partners
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 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
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
Co-investorsBank of Scotland
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
Senscient makes the ELDS laser-based open path gas detector, which uses tuneable lasers and Harmonic Fingerprint processing to detect toxic and flammable gases such as hydrogen sulfide, methane, ammonia, and carbon dioxide while minimizing false alarms.
EnergyHardwareIoT
Co-investorsCentral Texas Angel NetworkEmerald Technology Ventures AgNew York AngelsYellowstone Capital Partners
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 Drilling operates a fleet of jack-up drilling rigs that provide offshore oil and gas drilling services to energy companies globally.
Construction TechEnergyDubai, AE
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
Co-investorsSouter Investments
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 GasSensaSilverstone 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, 1 of which have exited.
- 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.
- Who does Lime Rock Partners co-invest with?
- Lime Rock Partners most often shares deals with Souter Investments, Central Texas Angel Network, Emerald Technology Ventures Ag, among 4 tracked co-investors.
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