SDCL is a leading developer, investor and fund manager focused on energy efficiency and decarbonisation. Founded in 2007, it is one of the most established and innovative investment firms in the sustainability markets and is unique in its dedicated focus on efficient and decentralized energy solutions.
Stated: Energy, Infrastructure, Industrials, Healthcare and 1 more
Industries: Energy, utilities and infrastructure (1 company) · Software (stated) · Tech-enabled and IT services (stated)
Lower middle market2024 PE fund GAV $8.5M1 PE fund of 5, latest vintage 20251 transaction in 36 months1 platform10 investment professionalslast event Sep 17, 2026
Tailwater CapitalDallas, TX · tailwatercapital.com · SEC registered investment adviser
Buyout firm · probableWe 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 Riverside Company is a global investment firm focused on being one of the leading private equity and flexible capital options for business owners and portfolio company employees at the smaller end of the middle market by seeking to fuel transformative growth and create lasting value.
Stated: EBITDA $10.0M to $35.0M · revenue $75.0M to $15.0M · EV $400M+ · minority · Software, Business services, Manufacturing, Distribution and 8 more
Industries: Software (stated) · Healthcare services (stated) · Life sciences (stated)
Upper middle market2024 PE fund GAV $14B170 PE funds of 174, latest vintage 20251 transaction in 36 months1 platform129 investment professionalslast event Jul 1, 2026
••• Locked
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
W••••••••• L••Kansas City, MO · w•••••••••.com · SEC registered investment adviser
Buyout firm••• Locked
Stated: Environmental services, Infrastructure
Industries: Industrial services (1 company) · Energy, utilities and infrastructure (stated)
Lower middle market2024 PE fund GAV $356M6 PE funds of 6, latest vintage 20251 transaction in 36 months1 platform4 investment professionalslast event Sep 17, 2026
••• Locked
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
••• 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
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
5• S•••• L••Arlington, VA · 5••••••.com · SEC registered investment adviser
Fund of funds · probable••• Locked
Stated: Infrastructure, Real estate, Financial services
Industries: Financial services (stated) · Energy, utilities and infrastructure (stated) · Real estate (stated)
Middle market2024 PE fund GAV $3.7B15 PE funds of 15, latest vintage 202316 investment professionalslast event Mar 31, 2025
••• 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
Hybrid manager · probable ••• Locked
Stated: Franchising, Infrastructure
Industries: Energy, utilities and infrastructure (stated) · Consumer services (stated)
unsized2024 PE fund GAV not reported0 PE funds of 0investment professionals not trackedlast event Aug 28, 2025
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
••• 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
••• Locked
Stated: Infrastructure, Real estate
Industries: Energy, utilities and infrastructure (stated) · Real estate (stated)
Middle market2024 PE fund GAV $1.1B9 PE funds of 9, latest vintage 20222 investment professionalslast event Mar 9, 2012
••• 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
••• Locked
Stated: revenue $10.0M to $100M · equity check $30.0M to $100M · minority · Technology, Software, Infrastructure
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
unsized2024 PE fund GAV not reported0 PE funds of 03 investment professionalslast event Apr 15, 2025
Venture firm with private equity activity · probable ••• Locked
Stated: Technology, Food and beverage, Life sciences, Infrastructure and 1 more
Industries: Software (3 companies) · Tech-enabled and IT services (1 company) · Media and telecom (1 company)
Lower middle market2024 PE fund GAV $28.5M1 PE fund of 1, latest vintage 2019investment professionals not trackedlast event Mar 31, 2022
A•••• G••••Milan · a••••.com · SEC exempt reporting adviser
Buyout firm••• Locked
Stated: Financial services, Infrastructure, Real estate
Industries: Financial services (stated) · Energy, utilities and infrastructure (stated) · Real estate (stated)
Lower middle market2024 PE fund GAV $11.1M4 PE funds of 4, latest vintage 202454 investment professionalslast event Mar 26, 2026
Private credit manager · probable ••• Locked
Stated: Infrastructure, Real estate
Industries: Energy, utilities and infrastructure (stated) · Real estate (stated)
Lower middle market2024 PE fund GAV $320M4 PE funds of 6, latest vintage 20191 investment professionallast event May 7, 2026
••• 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
Venture firm with private equity activity · probable ••• Locked
Stated: Infrastructure, Technology, Media and telecom
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
unsized2024 PE fund GAV not reported0 PE funds of 54, latest vintage 20263 investment professionalslast event Aug 3, 2026
••• Locked
Stated: Infrastructure
Industries: Energy, utilities and infrastructure (stated)
Lower middle market2024 PE fund GAV $450M15 PE funds of 21, latest vintage 202418 investment professionalslast event Mar 16, 2026
••• Locked
Stated: control or majority · Healthcare, Technology, Financial services, Infrastructure and 3 more
Industries: Life sciences (3 companies) · Hospitality and leisure (1 company) · Software (stated)
Lower middle market2024 PE fund GAV $107M3 PE funds of 3investment professionals not trackedlast event Jun 9, 2026
••• Locked
Stated: Life sciences, Infrastructure, Real estate, Environmental services
Industries: Life sciences (stated) · Industrial services (stated) · Energy, utilities and infrastructure (stated)
unsized2024 PE fund GAV $01 PE fund of 1140 investment professionalslast event Dec 1, 2021
Fund of funds · candidate ••• Locked
Stated: equity check $100M to $50.0M · Infrastructure, Franchising
Industries: Energy, utilities and infrastructure (stated) · Consumer services (stated)
Lower middle market2024 PE fund GAV $304M19 PE funds of 46, latest vintage 20261 investment professionallast event Aug 17, 2026
••• 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
••• 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
Infrastructure · probable ••• Locked
Stated: Infrastructure, Transportation and logistics
Industries: Transportation and logistics (stated) · Energy, utilities and infrastructure (stated)
Middle market2024 PE fund GAV $1.2B5 PE funds of 5, latest vintage 20216 investment professionalslast event Sep 16, 2026
••• Locked
Stated: Infrastructure, Transportation and logistics
Industries: Transportation and logistics (stated) · Energy, utilities and infrastructure (stated)
Lower middle market2024 PE fund GAV $432M2 PE funds of 2, latest vintage 20242 investment professionalslast event Sep 17, 2026
••• 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
Venture firm with private equity activity · probable ••• Locked
Stated: Healthcare, Technology, Consumer, Financial services and 1 more
Industries: Software (5 companies) · Financial services (2 companies) · Tech-enabled and IT services (1 company)
Upper middle market2024 PE fund GAV $8.8B10 PE funds of 13, latest vintage 2024investment professionals not trackedlast event Mar 30, 2026
••• 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
••• 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
Stated: minority · Technology, Financial services, Infrastructure
Industries: Software (1 company) · Tech-enabled and IT services (1 company) · Hardware and deep tech (1 company)
Middle market2024 PE fund GAV $1.3B5 PE funds of 7, latest vintage 20235 investment professionalslast event Sep 1, 2026
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
••• 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
••• 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
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
••• 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
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
••• 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
••• 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
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
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
••• 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