First Reserve is a private equity firm. Based in Stamford, Connecticut, United States. Among the 9 companies in the known portfolio are AFGlobal Corp, Hoover Ferguson, Lucero Energy, Plains All American Pipeline, Venterra and Ascent Resources.
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Investment focus
- Stage
- Late-StageSeed
- Sector
- Climate
- Focus
- Energy InfrastructureMidstreamOil & Gas
Who to pitch at First Reserve
First Reserve portfolio companies (9)
- AFGlobal Corp
- Hoover Ferguson
- Lucero Energy
- Plains All American Pipeline
- Venterra
- Ascent Resources
- Palmdale Oil Company
- Phillips 66 Partners
- Texas American Resources Company
Co-investors
Funds that share portfolio companies with First Reserve.
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About First Reserve
The firm's listing covers sector Climate, and focus areas Energy Infrastructure, Midstream and Oil & Gas; known deals cluster at Late-Stage and Seed.
Of the 8 people on file at First Reserve, Gary Reaves (Managing Partner), Jeff Quake (Managing Partner) and Alex Krueger (Chairman and Managing Partner) are listed as the contacts to approach first.
Across the known portfolio, 4 co-investors appear alongside First Reserve, including CIBC US, General Atlantic and Stellex Capital Management.
Frequently asked questions
What is First Reserve?
First Reserve is a private equity firm based in Stamford, Connecticut, United States, with a known portfolio of 9 companies. The portfolio comes from public investment records rather than from the firm, so deals that never surfaced publicly are not in it.
What does First Reserve invest in?
Listed sectors include Climate; listed focus areas include Energy Infrastructure, Midstream and Oil & Gas. Those tags come from the portfolio attached to the firm, so they describe what has been backed rather than a stated mandate for what comes next.
What stage does First Reserve invest at?
The known deals of First Reserve include Late-Stage and Seed rounds. Check that against your own round before reaching out: stage mismatch is the most common reason a well matched sector still goes nowhere.
Who should I pitch at First Reserve?
3 of the 8 people on file at First Reserve are listed as contacts for the firm. All 8 have their own profile page.
How do I contact First Reserve?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The 8 people attached to the firm have their own pages, each showing whether an address is on file for them.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal