Gssg Solar, LLCDenver, CO · gssgsolar.com · SEC registered investment adviser
Buyout firmGSSG Solar, LLC is an Asia focused real assets investor founded in 2013 that targets solar and battery storage investments. GSSG Solar, LLC and its managers have acquired, financed, and asset managed over $3 billion of renewable energy infrastructure. GSSG Solar is headquartered in Denver, Colorado with offices in Tokyo and Taipei.
Stated: Energy
Industries: Energy, utilities and infrastructure (2 companies)
Lower middle market2024 PE fund GAV $261M5 PE funds of 5, latest vintage 20231 transaction in 36 months2 platforms5 investment professionalslast event Sep 17, 2026
Private equity firm investing in businesses in the Government Contracting and Electric and Gas Utility Sectors in the U.S.
Stated: EBITDA $2.0M to $15.0M · revenue $10.0M to $100M · Business services, Energy, Infrastructure
Industries: Business services (2 companies) · Consumer products and retail (1 company) · Consumer services (1 company)
Lower middle market2024 PE fund GAV $304M8 PE funds of 8, latest vintage 20241 transaction in 36 months4 platforms14 investment professionalslast event Jul 14, 2026
InterAlpen Partners is a US-based mid-market private equity firm focused on control growth buyouts in Technology and Healthcare.
Stated: EBITDA up to $100M · revenue $20.0M+ · EV up to $500M · equity check $20.0M to $50.0M · control or minority · Healthcare, Technology, Software, Infrastructure
Industries: Financial services (1 company) · Software (stated) · Tech-enabled and IT services (stated)
Lower middle market2024 PE fund GAV $387M10 PE funds of 10, latest vintage 20251 transaction in 36 months1 platform6 investment professionalslast event Apr 28, 2026
Private credit manager · probable ••• Locked
Stated: EBITDA $4.0M to $25.0M · revenue $20.0M to $250M · equity check $10.0M to $50.0M · minority · Aerospace and defense, Transportation and logistics, Healthcare, Manufacturing
Industries: Industrial services (3 companies) · Manufacturing (2 companies) · Transportation and logistics (2 companies)
Lower middle market2024 PE fund GAV $701M6 PE funds of 7, latest vintage 20211 transaction in 36 months2 platforms15 investment professionalslast event Aug 11, 2026
••• Locked
Stated: Energy, Environmental services
Industries: Energy, utilities and infrastructure (1 company) · Industrial services (stated)
Middle market2024 PE fund GAV $3.7B23 PE funds of 39, latest vintage 20251 transaction in 36 months1 platform6 investment professionalslast event Jun 24, 2026
••• Locked
Stated: Healthcare, Financial services, Transportation and logistics, Distribution and 1 more
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Middle market2024 PE fund GAV $2.6B9 PE funds of 9, latest vintage 20241 transaction in 36 months1 platform40 investment professionalslast event Sep 15, 2026
••• Locked
Stated: Healthcare, Energy
Industries: Healthcare services (2 companies) · Life sciences (2 companies) · Business services (1 company)
Upper middle market2024 PE fund GAV $14B34 PE funds of 36, latest vintage 20251 transaction in 36 months3 investment professionalslast event Aug 24, 2026
Infrastructure · probable ••• Locked
Stated: Energy, Infrastructure, Technology
Industries: Energy, utilities and infrastructure (1 company) · Software (stated) · Tech-enabled and IT services (stated)
Upper middle market2024 PE fund GAV $14B22 PE funds of 25, latest vintage 20231 transaction in 36 months1 platform19 investment professionalslast event Aug 6, 2026
Hybrid manager · probable ••• Locked
Stated: control · Infrastructure, Transportation and logistics, Industrials, Energy and 5 more
Industries: Industrial services (1 company) · Software (stated) · Tech-enabled and IT services (stated)
unsized2024 PE fund GAV not reported0 PE funds of 01 transaction in 36 months1 platform7 investment professionalslast event Jul 7, 2026
••• Locked
Stated: equity check $1.8B+ · Distribution, Transportation and logistics
Industries: Industrial services (1 company) · Distribution (stated) · Transportation and logistics (stated)
Middle market2024 PE fund GAV $1.5B30 PE funds of 35, latest vintage 20251 transaction in 36 months1 platforminvestment professionals not trackedlast event Jun 2, 2026
••• Locked
Stated: Industrials, Technology, Software, Consumer and 1 more
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market2024 PE fund GAV $86.2M4 PE funds of 4, latest vintage 20231 transaction in 36 months2 platforms5 investment professionalslast event Sep 5, 2024
••• Locked
Stated: Infrastructure, Energy
Industries: Energy, utilities and infrastructure (stated)
Middle market2024 PE fund GAV $1.3B6 PE funds of 10, latest vintage 20241 transaction in 36 months1 platform12 investment professionalslast event May 22, 2026
••• Locked
Stated: Energy, Transportation and logistics
Industries: Transportation and logistics (stated) · Energy, utilities and infrastructure (stated)
Lower middle market2024 PE fund GAV $105M1 PE fund of 1, latest vintage 20181 transaction in 36 months16 investment professionalslast event Sep 17, 2026
••• Locked
Stated: EBITDA $5.0M to $20.0M · revenue $10.0M+ · Industrials, Energy, Infrastructure, Business services and 2 more
Industries: Energy, utilities and infrastructure (2 companies) · Consumer services (1 company) · Business services (stated)
Lower middle market2024 PE fund GAV $229M6 PE funds of 7, latest vintage 20191 transaction in 36 months2 platforms7 investment professionalslast event May 5, 2026
Infrastructure · probable ••• Locked
Stated: Infrastructure
Industries: Industrial services (2 companies) · Energy, utilities and infrastructure (stated)
Middle market2024 PE fund GAV $1.5B17 PE funds of 18, latest vintage 20251 transaction in 36 months2 platforms24 investment professionalslast event Aug 21, 2026
S••••••Cleveland, OH · s••••••.com · SEC exempt reporting adviser
Buyout firm · probable••• Locked
Stated: EBITDA $5.0M+ · revenue $50.0M+ · Technology, Distribution, Transportation and logistics, Education and 1 more
Industries: Energy, utilities and infrastructure (2 companies) · Software (stated) · Tech-enabled and IT services (stated)
Lower middle market2024 PE fund GAV $42.0M1 PE fund of 1, latest vintage 20221 transaction in 36 months2 platforms13 investment professionalslast event Jan 29, 2026
••• Locked
Stated: equity check $10.0M to $25.0M · control · Industrials, Manufacturing, Consumer, Energy and 4 more
Industries: Energy, utilities and infrastructure (3 companies) · Education (1 company) · Real estate (1 company)
Lower middle market2024 PE fund GAV $206M32 PE funds of 32, latest vintage 20211 transaction in 36 months3 platforms4 investment professionalslast event Sep 1, 2026
••• Locked
Stated: EBITDA up to $30.0M · Business services, Industrials, Technology, Transportation and logistics and 1 more
Industries: Business services (1 company) · Industrial services (1 company) · Manufacturing (1 company)
Lower middle market2024 PE fund GAV $174M4 PE funds of 41 transaction in 36 months2 platforms12 investment professionalslast event Jul 28, 2026
••• Locked
Stated: equity check $50.0M to $250M · Technology, Software, Infrastructure, Education
Industries: Healthcare services (1 company) · Software (stated) · Tech-enabled and IT services (stated)
Middle market2024 PE fund GAV $3.4B10 PE funds of 10, latest vintage 20231 transaction in 36 months31 investment professionalslast event Jun 30, 2026
••• Locked
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
••• Locked
Stated: EBITDA $3.0M to $15.0M · revenue $10.0M to $100M · EV $25.0M to $150M · equity check $10.0M to $25.0M · majority · Business services, Industrials, Transportation and logistics, Healthcare and 2 more
Industries: Distribution (16 companies) · Business services (15 companies) · Industrial services (3 companies)
Lower middle market2024 PE fund GAV $190M10 PE funds of 10, latest vintage 20181 transaction in 36 months4 platforms13 investment professionalslast event Jul 6, 2026
••• Locked
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
••• Locked
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
••• Locked
Stated: EBITDA $5.0M to $15.0M · revenue $10.0M+ · EV $25.0M to $125M · control · Food and beverage, Transportation and logistics
Industries: Transportation and logistics (2 companies) · Industrial services (1 company) · Manufacturing (1 company)
Lower middle market2024 PE fund GAV $312M3 PE funds of 3, latest vintage 20211 transaction in 36 months6 platforms7 investment professionalslast event Jul 8, 2025
Venture firm with private equity activity · probable ••• Locked
Stated: Life sciences, Manufacturing, Transportation and logistics, Healthcare and 1 more
Industries: Healthcare services (2 companies) · Life sciences (2 companies) · Software (1 company)
unsized2024 PE fund GAV not reported0 PE funds of 11 transaction in 36 months3 platforms2 investment professionalslast event Oct 16, 2025
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
Infrastructure · probable ••• Locked
Stated: Industrials, Transportation and logistics
Industries: Energy, utilities and infrastructure (7 companies) · Transportation and logistics (6 companies) · Industrial services (stated)
unsized2024 PE fund GAV not reported0 PE funds of 0investment professionals not trackedlast event Feb 22, 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
••• Locked
Stated: Aerospace and defense, Transportation and logistics, Technology
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market2024 PE fund GAV $930M14 PE funds of 14, latest vintage 2023investment professionals not trackedlast event Jul 14, 2026
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