Firms

Private equity firms on the graph

By default this list shows organizations classified as private equity. Organizations that were admitted from a public record but have not been classified yet are candidates; turn them on to see them. Organizations classified as not private equity are never listed.

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305 firms match
Tailwater Capital
Dallas, TX · tailwatercapital.com · SEC registered investment adviser
Buyout firm · probable

We are a diversified, middle-market private equity firm on a mission to create needed energy and environmental infrastructure solutions that improve human life.

Stated: EV $20.0M+ · equity check $6.0B+ · Energy, Infrastructure, Technology, Environmental services
Industries: Energy, utilities and infrastructure (1 company) · Software (stated) · Tech-enabled and IT services (stated)
Middle market2024 PE fund GAV $4.3B39 PE funds of 40, latest vintage 20241 transaction in 36 months30 investment professionalslast event Sep 16, 2026
The Watermill Group
Boston, MA · watermill.com · SEC registered investment adviser
Buyout firm

Watermill Group is a strategy-driven private investment firm. For more than four decades, we have been acquiring, operating and improving companies. Learn more about our firm and approach to value creation.

Stated: EBITDA $3.0M to $15.0M · revenue $35.0M to $300M · Technology, Energy, Media and telecom
Industries: Industrial services (14 companies) · Manufacturing (5 companies) · Transportation and logistics (1 company)
Lower middle market2024 PE fund GAV $172M28 PE funds of 31, latest vintage 20251 transaction in 36 months13 platforms10 investment professionalslast event Mar 30, 2026
1876 Partners, LP
Tomball, TX · 1876partners.com · SEC registered investment adviser
Buyout firm · probable

Elevate your venture with 1876 Partners. A strategic Private Equity firm where tradition meets innovation.

Stated: EBITDA up to $10.0M · Technology, Software, Energy
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market2024 PE fund GAV $260M1 PE fund of 1, latest vintage 20233 investment professionalslast event Nov 22, 2023
3• D•••••• C•••••• A•••••••• L••
Calgary, Alberta · 3••••••••.ca · SEC exempt reporting adviser
Buyout firm · probable

••• Locked

Stated: Energy
Industries: Energy, utilities and infrastructure (stated)
Lower middle market2024 PE fund GAV $106M2 PE funds of 2, latest vintage 20153 investment professionalslast event Oct 15, 2012
3• I••••••••• P••
London · 3•.com · SEC exempt reporting adviser
Infrastructure · probable

••• Locked

Stated: control · Infrastructure, Energy, Technology, Consumer
Industries: Software (1 company) · Healthcare services (1 company) · Life sciences (1 company)
Upper middle market2024 PE fund GAV $14B36 PE funds of 37, latest vintage 202598 investment professionalslast event Aug 3, 2026
A••••• P••••••• G••••• I•••
Columbia, SC · a•••••••••.com · SEC registered investment adviser
Fund of funds · probable

••• Locked

Stated: Energy
Industries: Energy, utilities and infrastructure (stated)
Lower middle market2024 PE fund GAV $14.5M8 PE funds of 8, latest vintage 20231 investment professionallast event Apr 13, 2026
A•• M••••••••• C••••••• L••
Portland, OR · a•••••••••.com · SEC registered investment adviser
Buyout firm
Stated: equity check $400M+ · Energy, Environmental services, Agriculture, Infrastructure
Industries: Industrial services (stated) · Energy, utilities and infrastructure (stated) · Agriculture (stated)
Lower middle market2024 PE fund GAV $650M2 PE funds of 2, latest vintage 201611 investment professionalslast event Apr 1, 2016
A•••• G•
London · a••.is · SEC exempt reporting adviser
Buyout firm

••• Locked

Stated: Infrastructure, Distribution, Energy, Real estate and 2 more
Industries: Financial services (stated) · Distribution (stated) · Energy, utilities and infrastructure (stated)
Upper middle market2024 PE fund GAV $7.6B30 PE funds of 30, latest vintage 202491 investment professionalslast event Sep 1, 2026
A•••••••• C••••••
New Orleans, LA · a•••••••••.com · SEC registered investment adviser
Buyout firm

••• Locked

Stated: Energy
Industries: Energy, utilities and infrastructure (stated)
Lower middle market2024 PE fund GAV $670M18 PE funds of 24, latest vintage 202419 investment professionalslast event Sep 17, 2026
A•• H•••••••• L•••
Houston, TX · a•••••••••.com · SEC exempt reporting adviser
Buyout firm · probable

••• Locked

Stated: equity check $25.0M to $75.0M · minority · Energy
Industries: Energy, utilities and infrastructure (stated)
Lower middle market2024 PE fund GAV $103M2 PE funds of 2, latest vintage 2017investment professionals not trackedlast event Dec 7, 2017
Buyout firm · probable

••• Locked

Stated: Infrastructure, Energy
Industries: Energy, utilities and infrastructure (stated)
Lower middle market2024 PE fund GAV $497M1 PE fund of 1investment professionals not trackedlast event May 3, 2024
Hybrid manager · probable

••• Locked

Stated: Energy, Real estate
Industries: Energy, utilities and infrastructure (stated) · Real estate (stated)
unsized2024 PE fund GAV not reported0 PE funds of 015 investment professionalslast event Sep 4, 2026
A•••••• C•••••• C•••••• L••
New York, NY · a•••••••••.com · SEC registered investment adviser
Buyout firm

••• Locked

Stated: Energy
Industries: Energy, utilities and infrastructure (stated)
Lower middle market2024 PE fund GAV $245M5 PE funds of 11, latest vintage 20267 investment professionalslast event Mar 30, 2026
Hybrid manager · probable

••• Locked

Stated: Infrastructure, Energy
Industries: Energy, utilities and infrastructure (stated)
unsized2024 PE fund GAV not reported0 PE funds of 0investment professionals not trackedlast event Sep 22, 2025
A•••••• C•••••• P••••••• L••
Bedford, NH · a•••••••••.com · SEC registered investment adviser
Buyout firm

••• Locked

Stated: equity check $25.0M to $100M · Industrials, Energy, Transportation and logistics
Industries: Industrial services (stated) · Manufacturing (stated) · Transportation and logistics (stated)
Lower middle market2024 PE fund GAV $335M4 PE funds of 4, latest vintage 20166 investment professionalslast event Mar 26, 2026
A••••••••• I••••••••• F••• M••••••
Copenhagen · g•••••••••.dk · SEC exempt reporting adviser
Buyout firm

••• Locked

Stated: Industrials, Energy, Infrastructure, Software and 1 more
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market2024 PE fund GAV $424M5 PE funds of 5, latest vintage 202416 investment professionalslast event Aug 18, 2026
A••••• C•••••• M••••••••• L••
New York, NY · a•••••••••.com · SEC registered investment adviser
Buyout firm

••• Locked

Stated: control · Food and beverage, Agriculture, Energy
Industries: Energy, utilities and infrastructure (stated) · Consumer products and retail (stated) · Agriculture (stated)
Lower middle market2024 PE fund GAV $610M22 PE funds of 24, latest vintage 20233 investment professionalslast event Mar 31, 2026
A••••• C•••••• P••••••• L••
Houston, TX · a•••••••••.com · SEC registered investment adviser
Buyout firm

••• Locked

Stated: equity check $100M to $500M · control · Energy, Infrastructure, Technology
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Middle market2024 PE fund GAV $3.5B12 PE funds of 12, latest vintage 2023investment professionals not trackedlast event Mar 27, 2026
A••••••••• I••••••••• A•••••••• L••
New York, NY · a•••••••••.com · SEC registered investment adviser
Buyout firm

••• Locked

Stated: Financial services, Consumer, Real estate, Energy and 2 more
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Middle market2024 PE fund GAV $1.5B23 PE funds of 28, latest vintage 2024investment professionals not trackedlast event Jun 10, 2026
A••••• C•••••• M••••••••• L•••
New York, NY · a•••••.com · SEC registered investment adviser
Venture firm with private equity activity · probable

••• Locked

Stated: Technology, Energy, Financial services
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Large cap2024 PE fund GAV $49B199 PE funds of 475, latest vintage 20261 investment professionallast event Sep 13, 2026
A•••••• C•••••• P•••••••
Los Angeles, CA · a•••••••••.com · SEC exempt reporting adviser
Buyout firm · probable

••• Locked

Stated: EV $100M to $5.0B · majority · Business services, Industrials, Healthcare, Consumer and 1 more
Industries: Manufacturing (7 companies) · Financial services (6 companies) · Energy, utilities and infrastructure (6 companies)
Lower middle market2024 PE fund GAV not reported26 PE funds of 26, latest vintage 20163 investment professionalslast event Sep 17, 2026
A•• F••••••••
Calgary, Alberta · a•••••••••.com · SEC exempt reporting adviser
Buyout firm

••• Locked

Stated: Energy
Industries: Energy, utilities and infrastructure (stated)
Middle market2024 PE fund GAV $1.9B33 PE funds of 33, latest vintage 202422 investment professionalslast event Mar 29, 2012
A••••••• C•••••• P••••••• I•••
Location unknown · a•••••••••.com · SEC registered investment adviser
Buyout firm · probable

••• Locked

Stated: Energy
Industries: Energy, utilities and infrastructure (stated)
Lower middle market2024 PE fund GAV $91.7M2 PE funds of 2, latest vintage 20155 investment professionalslast event Mar 16, 2026
A•••• E••••••• I••••••••• M•••••• L••
London · a••••••.com · SEC exempt reporting adviser
Infrastructure · probable

••• Locked

Stated: majority · Industrials, Energy, Transportation and logistics, Technology and 3 more
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Middle market2024 PE fund GAV $2.5B8 PE funds of 8, latest vintage 202335 investment professionalslast event Jul 2, 2026
A•••• E••••• H•••••••• L••
Dallas, TX · a•••••••••.com · SEC exempt reporting adviser
Buyout firm · probable

••• Locked

Stated: Energy
Industries: Energy, utilities and infrastructure (stated)
Lower middle market2024 PE fund GAV $116M1 PE fund of 13 investment professionalslast event Sep 1, 2026
A••••••• C•••• P•••••••
New York, NY · a•••••••••.com · SEC registered investment adviser
Special situations · probable

••• Locked

Stated: Technology, Energy, Infrastructure, Agriculture
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market2024 PE fund GAV $5.3M2 PE funds of 2, latest vintage 20179 investment professionalslast event Mar 31, 2026
A•••• R••••••• C•••••• M••••••••• L•
Miami, FL · a•••••••.com · SEC registered investment adviser
Buyout firm

••• Locked

Stated: equity check $600M+ · Energy, Manufacturing
Industries: Manufacturing (stated) · Energy, utilities and infrastructure (stated)
Lower middle market2024 PE fund GAV $60.8M3 PE funds of 3, latest vintage 20102 investment professionalslast event Mar 30, 2012
A•••• A••••••••• L••
Chicago, IL · a•••••••••.com · SEC registered investment adviser
Buyout firm · probable

••• Locked

Stated: EBITDA $50.0M+ · majority · Business services, Financial services, Energy, Media and telecom
Industries: Media and telecom (2 companies) · Business services (1 company) · Industrial services (1 company)
Middle market2024 PE fund GAV $1.7B6 PE funds of 6, latest vintage 202311 investment professionalslast event Sep 8, 2026
A•••••• P••••••• L••
New York, NY · a•••••••••.com · SEC exempt reporting adviser
Venture firm with private equity activity · probable

••• Locked

Stated: minority · Industrials, Consumer, Financial services, Energy and 1 more
Industries: Financial services (stated) · Industrial services (stated) · Manufacturing (stated)
unsized2024 PE fund GAV not reported2 PE funds of 5, latest vintage 20223 investment professionalslast event Sep 1, 2026
A•••• C•••••• M••••••••• L•
Miami Beach, FL · a•••••••••.com · SEC registered investment adviser
Private credit manager · probable
Stated: Energy, Technology, Consumer
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market2024 PE fund GAV $257M2 PE funds of 2, latest vintage 20245 investment professionalslast event Jan 2, 2014
A••••• E••••• I••••••••• P••••••• L••
Spring, TX · a•••••••••.com · SEC registered investment adviser
Buyout firm

••• Locked

Stated: Energy, Infrastructure
Industries: Energy, utilities and infrastructure (1 company)
Middle market2024 PE fund GAV $2.3B16 PE funds of 18, latest vintage 20236 platforms8 investment professionalslast event Jul 24, 2026
A••••••••• L••
Los Angeles, CA · a••••••••.com · SEC registered investment adviser
Fund of funds · probable

••• Locked

Stated: Energy
Industries: Energy, utilities and infrastructure (stated)
unsized2024 PE fund GAV not reported2 PE funds of 2, latest vintage 200818 investment professionalslast event Mar 29, 2012
A•••••• C•••••• P••••••• L••
London, London · a••••••••.com · SEC exempt reporting adviser
Buyout firm

••• Locked

Stated: Food and beverage, Environmental services, Agriculture, Energy and 1 more
Industries: Industrial services (stated) · Energy, utilities and infrastructure (stated) · Consumer products and retail (stated)
Lower middle market2024 PE fund GAV $230M2 PE funds of 2, latest vintage 202211 investment professionalslast event May 7, 2022
A•••••••• P••••••• ••••••••• L••
New York, NY · a•••••••••.com · SEC registered investment adviser
Buyout firm · probable

••• Locked

Stated: Healthcare, Consumer, Financial services, Energy and 1 more
Industries: Healthcare services (stated) · Life sciences (stated) · Financial services (stated)
Middle market2024 PE fund GAV $1.0B5 PE funds of 6, latest vintage 20223 investment professionalslast event May 27, 2025
A•••• N•••••• R•••••••• F••• G•• L••
Denver, CO · a••••••.com · SEC exempt reporting adviser
Buyout firm · probable

••• Locked

Stated: Energy
Industries: Energy, utilities and infrastructure (stated)
Lower middle market2024 PE fund GAV $97.9M1 PE fund of 18 investment professionalslast event Sep 1, 2026
A•••••• C•••••• M••••••••• I• L•••
Calgary, Alberta · n•••••••••.com · SEC exempt reporting adviser
Buyout firm · probable

••• Locked

Stated: Transportation and logistics, Infrastructure, Industrials, Manufacturing and 3 more
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market2024 PE fund GAV $540M3 PE funds of 314 investment professionalslast event Jun 9, 2025
B••••• R•••• P•••••••
New York, NY · b•••••••••.com · SEC registered investment adviser
Fund of funds · probable

••• Locked

Stated: Financial services, Energy, Real estate
Industries: Financial services (stated) · Energy, utilities and infrastructure (stated) · Real estate (stated)
Upper middle market2024 PE fund GAV $6.5B16 PE funds of 16, latest vintage 2025investment professionals not trackedlast event Jul 13, 2026
B•••••••• M••••••••• C•••••• L•
Denver, CO · b••••••••.us · SEC registered investment adviser
Secondaries manager · probable

••• Locked

Stated: Energy
Industries: Energy, utilities and infrastructure (stated)
Lower middle market2024 PE fund GAV $930M6 PE funds of 6, latest vintage 20244 investment professionalslast event Sep 15, 2026
B•••••••• L••
Farmington Hills, MI · b•••••••.com · SEC registered investment adviser
Venture firm with private equity activity · probable

••• Locked

Stated: equity check $3.0M to $10.0M · Software, Energy
Industries: Software (stated) · Energy, utilities and infrastructure (stated)
Lower middle market2024 PE fund GAV $194M5 PE funds of 5, latest vintage 202219 investment professionalslast event Mar 5, 2012
B•••• B•• E••••• C••••••• L••
New Orleans, LA · b•••••••••.com · SEC registered investment adviser
Buyout firm · probable

••• Locked

Stated: Industrials, Energy
Industries: Energy, utilities and infrastructure (1 company) · Industrial services (stated) · Manufacturing (stated)
Lower middle market2024 PE fund GAV $428M8 PE funds of 8, latest vintage 202414 investment professionalslast event May 27, 2026
B•••••••• C•••••• I••••••••• A•••••••• L••
Wilmington, DE · b••••••••.com · SEC registered investment adviser
Buyout firm

••• Locked

Stated: Energy, Agriculture, Real estate
Industries: Energy, utilities and infrastructure (stated) · Real estate (stated) · Agriculture (stated)
Large cap2024 PE fund GAV $45B125 PE funds of 129, latest vintage 20251 investment professionallast event Aug 12, 2026
B••• L••• a• O••••• S••••••••• C••••••
Washington, DC · b•••••••••.com · SEC registered investment adviser
Buyout firm

••• Locked

Stated: Energy, Healthcare, Financial services, Infrastructure and 2 more
Industries: Healthcare services (stated) · Life sciences (stated) · Financial services (stated)
Lower middle market2024 PE fund GAV $351M2 PE funds of 2, latest vintage 20218 investment professionalslast event May 11, 2018
B•••••••• E••••• P•••••••• L••
Dallas, TX · b•••••••••.com · SEC registered investment adviser
Buyout firm

••• Locked

Stated: Energy, Infrastructure
Industries: Energy, utilities and infrastructure (1 company)
Lower middle market2024 PE fund GAV $802M6 PE funds of 6, latest vintage 20194 investment professionalslast event Mar 30, 2026
B•••• P•••••••• L••
Dallas, TX · b•••••••••.com · SEC exempt reporting adviser
Buyout firm · probable

••• Locked

Stated: revenue $75.0M to $250M · EV $75.0M to $250M · equity check $40.0M to $100M · control · Energy, Industrials
Industries: Industrial services (stated) · Manufacturing (stated) · Energy, utilities and infrastructure (stated)
Lower middle market2024 PE fund GAV $68.2M1 PE fund of 15 investment professionalslast event Sep 17, 2026
B•••••• H••• H••••••• L••
Coral Gables, FL · b•••••••••.com · SEC exempt reporting adviser
Buyout firm · probable

••• Locked

Stated: Energy, Transportation and logistics, Real estate
Industries: Transportation and logistics (stated) · Energy, utilities and infrastructure (stated) · Real estate (stated)
unsized2024 PE fund GAV not reported1 PE fund of 2, latest vintage 20143 investment professionalslast event Sep 1, 2026
C••••• E••••• P•••••••
Rye Brook, NY · c•••••••••.com · SEC registered investment adviser
Buyout firm · probable

••• Locked

Stated: revenue $10.0M to $100M · equity check $25.0M to $75.0M · control or minority · Energy
Industries: Energy, utilities and infrastructure (stated)
Lower middle market2024 PE fund GAV $510M7 PE funds of 7, latest vintage 20253 investment professionalslast event Mar 27, 2026
C••••• C••••••• L•
Framingham, MA · c•••••.pe · SEC exempt reporting adviser
Buyout firm

••• Locked

Stated: control · Infrastructure, Manufacturing, Consumer, Energy
Industries: Manufacturing (stated) · Energy, utilities and infrastructure (stated) · Consumer products and retail (stated)
Lower middle market2024 PE fund GAV $42.0M9 PE funds of 9, latest vintage 20192 investment professionalslast event Mar 30, 2026
C••••• R••• E••••• L••
Helsinki, Helsinki · c•••••.com · SEC exempt reporting adviser
Real estate private equity · probable

••• Locked

Stated: majority · Infrastructure, Real estate, Technology, Industrials and 4 more
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Middle market2024 PE fund GAV $1.5B4 PE funds of 4, latest vintage 20208 investment professionalslast event Aug 18, 2022
C••••• I••••••••• P••••••• C••••
Calgary, Alberta · c•••••••••.com · SEC exempt reporting adviser
Buyout firm · probable

••• Locked

Stated: Industrials, Energy, Infrastructure
Industries: Industrial services (stated) · Manufacturing (stated) · Energy, utilities and infrastructure (stated)
Lower middle market2024 PE fund GAV $225M12 PE funds of 12, latest vintage 20234 investment professionalslast event Mar 17, 2026
C•• I••••••••• P•••••••• L••
Westport, CT · c•••••••••.com · SEC registered investment adviser
Hybrid manager · probable
Stated: Energy
Industries: Energy, utilities and infrastructure (stated)
unsized2024 PE fund GAV $01 PE fund of 1, latest vintage 2019investment professionals not trackedlast event Mar 31, 2026

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