EnCap Flatrock Midstream
efmidstream.com Direct investor
EnCap Flatrock Midstream is a venture capital firm focused on investing in midstream energy companies in North America. It provides capital, expertise, and operational support to management teams in the midstream sector.
EnCap Flatrock Midstream is a venture capital firm headquartered in San Antonio, United States, founded in 2008. It invests directly in companies, from seed to growth, in midstream energy, gathering and transportation pipelines, treating and compression assets and processing and fractionation plants. Nearly $10 billion in capital commitments under management and 11 portfolio companies, as it reports.
“We are midstream specialists. Our team are experts in hydrocarbon and energy evolution-related midstream infrastructure. Our investment focus is in hard-asset businesses, including gathering and transportation pipelines, treating and compression assets and services, processing and fractionation plants, storage and terminalling facilities, logistics handling and disposal facilities, and other such assets or companies providing similar services.”
— EnCap Flatrock Midstream, own website
- Layer
- Direct investor
- Type
- Venture capital
- Headquarters
- San Antonio, United States
- Invests in
- North America
- Sectors
- midstream energy, gathering and transportation pipelines, treating and compression assets, processing and fractionation plants, storage and terminalling facilities, logistics handling and disposal facilities
- Founded
- 2008
- Assets under management
- nearly $10 billion in capital commitments
- Portfolio
- 11 companies
Team, as EnCap Flatrock Midstream publishes it
- William D. Waldrip Founder
- William R. Lemmons Jr. Founder
- Dennis F. Jaggi Founder
- Gregory C. King Managing Partner
- Samuel G. Pitts Managing Partner
- Matthew R. Melton Managing Director
- Thomas J. Waldrip Managing Director
- Jana J. Jonas Chief of Staff
- Will R. Arcidiacono Vice President
- Ian S. Morris Vice President
Names and roles exactly as listed on efmidstream.com. Nothing else about these people is recorded.
Co-invests most often with
Derived from portfolio pages both investors publish themselves: each pair below lists at least one company in common. 4 co-investors found.
- EnCap Investments 1 shared company: aspenmidstream.com
- Ridgemont Equity Partners 1 shared company: momentummidstream.com
- Trilantic North America 1 shared company: momentummidstream.com
- Energy Spectrum Capital 1 shared company: frontierenergyllc.com
Where this comes from
Every fact above was read from a page EnCap Flatrock Midstream publishes itself. Nothing is taken from third-party databases. Investment activity (deals, co-investors) is not yet recorded.
- https://www.efmidstream.com/name, is_investor, layer, type, hq_country, hq_city, description, status, confidence
- https://www.efmidstream.com/aboutinvests_in_geographies, stage_min, stage_max, sectors, thesis_quote, thesis_quote_page, founded, aum
- https://www.efmidstream.com/portfolio-companiesportfolio_count
- https://www.efmidstream.com/our-teampeople
Is this record wrong or stale? Report a mistake — it reaches us directly, no email address to look up.
Record 2333 · added 2026-09-03 · link last verified 2026-09-06 · confidence high
Similar investors
- Geekdom FundVenture capital · Seed – Series A · San Antonio, United States
- .406 VenturesVenture capital · Seed – Series A · Boston, United States
- 010118 Management, L.P.Venture capital · Series A – Series C+ · San Francisco, United States
- 100km Ventures LLCVenture capital · Pre-seed – Series A · United States
- 100x Entrepreneur Fund Advisory, LLCVenture capital · Pre-seed – Seed · United States
- 11 Tribes VenturesVenture capital · Glen Ellyn, United States