Infrastructure · probable Pioneer is an independent infrastructure investment firm founded by four Managing Partners with over 110 years combined investment experience.
Stated: Infrastructure, Energy
Industries: Energy, utilities and infrastructure (stated)
Lower middle market2024 PE fund GAV $240M4 PE funds of 43 investment professionalslast event Jul 14, 2023
Venture firm with private equity activity · probable We invest in exceptional tech companies and support their journey from seed to late growth through three dedicated funds.
Stated: Healthcare, Life sciences, Food and beverage, Financial services and 1 more
Industries: Life sciences (1 company) · Healthcare services (stated) · Financial services (stated)
unsized2024 PE fund GAV not reported1 PE fund of 16 investment professionalslast event Apr 3, 2012
Hybrid manager · probable Pontem Energy Capital is an oil and gas operating and investment firm that invests in operated and non-operated upstream production assets and provides advisory services to operators. We promote America
Stated: Energy
Industries: Energy, utilities and infrastructure (stated)
unsized2024 PE fund GAV not reported0 PE funds of 03 investment professionalslast event Aug 5, 2026
••• Locked
Stated: Infrastructure, Technology
Industries: Healthcare services (1 company) · Life sciences (1 company) · Software (stated)
Lower middle market2024 PE fund GAV $439M3 PE funds of 5, latest vintage 201818 investment professionalslast event Oct 17, 2016
••• Locked
Stated: EBITDA $2.0M to $10.0M · equity check $10.0M to $30.0M · minority · Manufacturing, Technology, Automotive, Industrials and 4 more
Industries: Aerospace, defense and government (2 companies) · Software (stated) · Tech-enabled and IT services (stated)
Middle market2024 PE fund GAV $2.3B41 PE funds of 42, latest vintage 20258 investment professionalslast event Jul 13, 2026
••• Locked
Stated: Infrastructure
Industries: Energy, utilities and infrastructure (stated)
Lower middle market2024 PE fund GAV $78.1M5 PE funds of 56 investment professionalslast event Sep 17, 2026
••• Locked
Stated: Energy, Infrastructure
Industries: Energy, utilities and infrastructure (stated)
Lower middle market2024 PE fund GAV $757M4 PE funds of 4, latest vintage 2015investment professionals not trackedlast event Nov 12, 2024
••• Locked
Stated: Energy, Franchising, Technology, Infrastructure
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Large cap2024 PE fund GAV $28B81 PE funds of 81, latest vintage 20244 investment professionalslast event Aug 21, 2026
••• Locked
Stated: Energy, Infrastructure
Industries: Energy, utilities and infrastructure (stated)
Lower middle market2024 PE fund GAV not reported1 PE fund of 13 investment professionalslast event Sep 1, 2026
••• Locked
Stated: control · Software, Infrastructure
Industries: Software (stated) · Energy, utilities and infrastructure (stated)
unsized2024 PE fund GAV not reported0 PE funds of 04 investment professionalslast event May 19, 2026
••• Locked
Stated: Energy, Infrastructure, Technology
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Middle market2024 PE fund GAV $3.0B6 PE funds of 7, latest vintage 20234 investment professionalslast event Mar 30, 2012
Infrastructure · probable ••• Locked
Stated: Infrastructure, Environmental services, Energy
Industries: Industrial services (stated) · Energy, utilities and infrastructure (stated)
Middle market2024 PE fund GAV $1.9B11 PE funds of 11, latest vintage 20233 investment professionalslast event Mar 30, 2026
Stated: Energy, Infrastructure
Industries: Energy, utilities and infrastructure (stated)
Lower middle market2024 PE fund GAV $53.9M2 PE funds of 2, latest vintage 20175 investment professionalslast event Mar 24, 2016
••• Locked
Stated: Energy, Financial services
Industries: Financial services (stated) · Energy, utilities and infrastructure (stated)
Lower middle market2024 PE fund GAV not reported4 PE funds of 4, latest vintage 200831 investment professionalslast event Sep 1, 2026
Hybrid manager · probable Stated: Infrastructure, Real estate
Industries: Energy, utilities and infrastructure (stated) · Real estate (stated)
unsized2024 PE fund GAV not reported0 PE funds of 4, latest vintage 20163 investment professionalslast event Sep 17, 2026
••• Locked
Stated: EBITDA $5.0M to $25.0M · revenue $20.0M+ · equity check $20.0M+ · majority or minority · Infrastructure, Technology, Financial services, Media and telecom
Industries: Software (1 company) · Healthcare services (1 company) · Consumer products and retail (1 company)
Middle market2024 PE fund GAV $1.8B10 PE funds of 10, latest vintage 20221 platform21 investment professionalslast event Aug 18, 2026
Infrastructure · probable ••• Locked
Stated: Energy
Industries: Energy, utilities and infrastructure (1 company)
Middle market2024 PE fund GAV $4.4B11 PE funds of 14, latest vintage 20249 platforms5 investment professionalslast event Mar 30, 2026
Venture firm with private equity activity · probable ••• Locked
Stated: Energy
Industries: Energy, utilities and infrastructure (stated)
unsized2024 PE fund GAV not reported0 PE funds of 1, latest vintage 20201 investment professionallast event Mar 22, 2012
••• Locked
Stated: minority · Infrastructure, Energy
Industries: Energy, utilities and infrastructure (stated)
Lower middle market2024 PE fund GAV $366M9 PE funds of 16, latest vintage 20265 investment professionalslast event Nov 15, 2011
••• Locked
Stated: EBITDA up to $50.0M · EV $50.0M to $400M · control · Industrials, Business services, Distribution, Transportation and logistics and 1 more
Industries: Distribution (3 companies) · Manufacturing (2 companies) · Business services (stated)
Middle market2024 PE fund GAV $1.6B23 PE funds of 25, latest vintage 202328 investment professionalslast event Mar 27, 2026
Venture firm with private equity activity · probable ••• Locked
Stated: revenue $5.0M to $75.0M · Technology, Energy
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market2024 PE fund GAV $7.8M3 PE funds of 7, latest vintage 20222 investment professionalslast event Feb 14, 2012
••• Locked
Stated: Infrastructure
Industries: Energy, utilities and infrastructure (stated)
Middle market2024 PE fund GAV $1.8B10 PE funds of 13, latest vintage 20231 investment professionallast event Mar 31, 2026
Venture firm with private equity activity · probable ••• Locked
Stated: Technology, Infrastructure, Industrials
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
unsized2024 PE fund GAV not reported0 PE funds of 2, latest vintage 20173 investment professionalslast event Sep 16, 2026
R••• L••Newport Beach, CA · r•••••••••.com · SEC exempt reporting adviser
Growth equity · probable••• Locked
Stated: revenue $25.0M to $100M · equity check $5.0M to $15.0M · control · Consumer, Technology, Life sciences, Energy
Industries: Consumer services (2 companies) · Manufacturing (1 company) · Consumer products and retail (1 company)
Lower middle market2024 PE fund GAV not reported1 PE fund of 1, latest vintage 20181 investment professionallast event Sep 1, 2026
••• Locked
Stated: Energy
Industries: Energy, utilities and infrastructure (1 company)
Lower middle market2024 PE fund GAV $117M3 PE funds of 3, latest vintage 20182 investment professionalslast event Jul 27, 2012
••• Locked
Stated: control · Consumer, Food and beverage, Energy, Education and 1 more
Industries: Energy, utilities and infrastructure (stated) · Consumer products and retail (stated) · Consumer services (stated)
Lower middle market2024 PE fund GAV $12.5M1 PE fund of 115 investment professionalslast event Sep 17, 2026
••• Locked
Stated: EBITDA $5.0M to $35.0M · majority or minority · Manufacturing, Food and beverage, Automotive, Franchising and 2 more
Industries: Consumer products and retail (1 company) · Consumer services (1 company) · Healthcare services (stated)
Lower middle market2024 PE fund GAV $709M14 PE funds of 14, latest vintage 202522 investment professionalslast event Feb 2, 2026
••• Locked
Stated: Infrastructure, Transportation and logistics, Real estate, Technology
Industries: Transportation and logistics (1 company) · Software (stated) · Tech-enabled and IT services (stated)
Lower middle market2024 PE fund GAV not reported11 PE funds of 12, latest vintage 20113 investment professionalslast event Sep 1, 2026
••• Locked
Stated: Infrastructure, Environmental services, Technology
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market2024 PE fund GAV $846M31 PE funds of 31, latest vintage 20245 investment professionalslast event Jun 22, 2026
••• Locked
Stated: minority · Energy, Real estate, Life sciences, Software and 2 more
Industries: Software (stated) · Life sciences (stated) · Financial services (stated)
unsized2024 PE fund GAV not reported3 PE funds of 3investment professionals not trackedlast event Sep 1, 2026
Infrastructure · probable ••• Locked
Stated: control or minority · Infrastructure, Technology
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Upper middle market2024 PE fund GAV $9.7B13 PE funds of 13, latest vintage 202432 investment professionalslast event May 1, 2026
Hybrid manager · probable ••• Locked
Stated: Energy, Industrials, Healthcare, Technology
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
unsized2024 PE fund GAV not reported0 PE funds of 04 investment professionalslast event Sep 17, 2026
••• Locked
Stated: EBITDA $3.0M to $15.0M · EV $25.0M to $150M · equity check $10.0M to $40.0M · Infrastructure, Media and telecom
Industries: Software (3 companies) · Tech-enabled and IT services (3 companies) · Hardware and deep tech (3 companies)
Lower middle market2024 PE fund GAV $418M23 PE funds of 23, latest vintage 20202 platforms16 investment professionalslast event Sep 17, 2026
••• Locked
Stated: revenue $20.0M+ · Energy, Technology, Media and telecom
Industries: Consumer products and retail (1 company) · Software (stated) · Tech-enabled and IT services (stated)
Lower middle market2024 PE fund GAV $438M23 PE funds of 24, latest vintage 20244 investment professionalslast event Mar 30, 2026
••• Locked
Stated: Energy, Infrastructure
Industries: Energy, utilities and infrastructure (stated)
Lower middle market2024 PE fund GAV $228M4 PE funds of 4, latest vintage 20255 investment professionalslast event Mar 30, 2026
••• Locked
Stated: Technology, Energy
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Middle market2024 PE fund GAV $2.4B13 PE funds of 13, latest vintage 202623 investment professionalslast event May 20, 2026
••• Locked
Stated: EBITDA $3.0M to $20.0M · revenue $10.0M to $100M · Industrials, Life sciences, Technology, Energy
Industries: Healthcare services (2 companies) · Life sciences (2 companies) · Software (1 company)
Lower middle market2024 PE fund GAV $612M17 PE funds of 17, latest vintage 20227 platforms6 investment professionalslast event Sep 16, 2026
••• Locked
Stated: Energy
Industries: Energy, utilities and infrastructure (stated)
Lower middle market2024 PE fund GAV $254M3 PE funds of 3, latest vintage 20253 investment professionalslast event Jul 20, 2026
••• Locked
Stated: Technology, Energy, Healthcare, Education
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Middle market2024 PE fund GAV $2.4B13 PE funds of 17, latest vintage 201820 investment professionalslast event Aug 31, 2026
••• Locked
Stated: Energy
Industries: Energy, utilities and infrastructure (stated)
unsized2024 PE fund GAV not reported1 PE fund of 1, latest vintage 20082 platformsinvestment professionals not trackedlast event Sep 1, 2026
••• Locked
Stated: Industrial services, Industrials, Manufacturing, Healthcare and 6 more
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
unsized2024 PE fund GAV not reported1 PE fund of 1, latest vintage 20147 investment professionalslast event Sep 17, 2026
••• Locked
Stated: Technology, Food and beverage, Energy, Infrastructure and 2 more
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Middle market2024 PE fund GAV $1.8B14 PE funds of 14, latest vintage 20242 investment professionalslast event Mar 27, 2026
••• Locked
Stated: Infrastructure
Industries: Energy, utilities and infrastructure (stated)
Lower middle market2024 PE fund GAV $947M30 PE funds of 33, latest vintage 2026investment professionals not trackedlast event Jul 8, 2026
••• Locked
Stated: Consumer, Transportation and logistics, Real estate, Infrastructure
Industries: Transportation and logistics (stated) · Energy, utilities and infrastructure (stated) · Consumer products and retail (stated)
unsized2024 PE fund GAV not reported0 PE funds of 03 investment professionalslast event Sep 1, 2026
••• Locked
Stated: Financial services, Infrastructure, Technology
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market2024 PE fund GAV $9.1M3 PE funds of 3, latest vintage 2021investment professionals not trackedlast event May 24, 2026
••• Locked
Stated: control · Healthcare, Technology, Software, Aerospace and defense and 15 more
Industries: Software (2 companies) · Business services (2 companies) · Tech-enabled and IT services (1 company)
Upper middle market2024 PE fund GAV $14B25 PE funds of 25, latest vintage 202462 investment professionalslast event Aug 31, 2026
S••••••• H••••••South Jordan, UT · s•••••••••.com · SEC exempt reporting adviser
Buyout firm · probable••• Locked
Stated: Energy
Industries: Energy, utilities and infrastructure (stated)
Lower middle market2024 PE fund GAV $30.8M1 PE fund of 1, latest vintage 20243 investment professionalslast event Aug 5, 2024
••• Locked
Stated: revenue $10.0M+ · Energy
Industries: Energy, utilities and infrastructure (stated)
Lower middle market2024 PE fund GAV $37.2M1 PE fund of 1, latest vintage 2011investment professionals not trackedlast event Sep 1, 2026
S•••• E•••••Stockholm, Stockholm · s•••••••••.com · SEC exempt reporting adviser
Buyout firm••• Locked
Stated: Technology, Food and beverage, Energy
Industries: Industrial services (1 company) · Software (stated) · Tech-enabled and IT services (stated)
Middle market2024 PE fund GAV $2.5B12 PE funds of 12, latest vintage 20225 investment professionalslast event Mar 30, 2026
••• Locked
Stated: Energy, Transportation and logistics, Agriculture, Technology
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market2024 PE fund GAV not reported1 PE fund of 110 investment professionalslast event Sep 1, 2026