Company lists · Data refreshed September 2026
Top 25 Clean energy investment firms based in Houston, United States
RevenueBase identified 70 company matches for clean energy investment firms associated with Houston, United States as of September 2026 and tracks 1,213 professional contacts across them, including 630 with verified work emails. Across the United States, New York is the largest hub for this category (134 companies); Houston follows with 70.
This list covers company matches for clean energy investment firms associated with Houston, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 27, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest clean energy investment firms based in Houston, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 173 contacts → | ||||
Exact match “Founded in 1998, Quantum Capital Group is a leading provider of private equity, credit, and venture capital to the global energy and energy transition industry, having managed…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 2 | 119 contacts → | ||||
Exact match “Founded in 2017, Ara Partners is a global private markets firm focused on decarbonizing the industrial economy.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 3 | 54 contacts → | ||||
Exact match “Pickering Energy Partners (PEP) is an energy focused financial services platform.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 4 | 52 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 5 | 49 contacts → | ||||
Exact match “Founded in 1998, Lime Rock Partners is a creative, value-adding, and long-term investor of growth capital in global energy companies in the exploration & production, energy…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 6 | 43 contacts → | ||||
Exact match “Pan Capital is an energy-focused investment firm committed to identifying opportunities and delivering value for our investors.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 7 | 37 contacts → | ||||
Exact match “GEC invests in innovative energy technology and software companies.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 8 | 36 contacts → | ||||
Exact match “Renewa is a renewables company focused on acquisitions and investments within the solar, wind and renewable energy industries.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 9 | 16 contacts → | ||||
Exact match “CSL Capital Management, L.P.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 10 | 16 contacts → | ||||
Exact match “New Climate Ventures (NCV) is an early-stage venture capital firm investing in the future of how we produce, power, and consume.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 11 | 14 contacts → | ||||
Exact match “WattBridge Energy is a Houston, Texas-based global independent power producer.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 12 | 13 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 13 | 12 contacts → | ||||
Exact match “EnCap is pursuing investment opportunities created by the global transition to a lower-carbon energy system.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 14 | 11 contacts → | ||||
Exact match “Mountain Capital is an energy private equity firm established in 2015 by a team of experienced professionals led by Sam Oh.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 15 | 11 contacts → | ||||
Exact match “CONNECTING POWER, PROJECTS & PEOPLE ConnectGEN is developing renewable energy and energy storage projects across North America.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 16 | 9 contacts → | ||||
Exact match “We help companies and their investors succeed in the Energy Transition We offer integrated support in Consulting and Project Development in Sustainable Energy” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 17 | 8 contacts → | ||||
Exact match “White Deer is an investment firm focusing on the energy industry’s future and future possibilities.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 18 | 8 contacts → | ||||
Exact match “Tupper Lake Partners is a Venture Capital and Investment Management firm formed in 2020 comprised of former energy & technology CEOs that bring their experience (and personal…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 19 | 7 contacts → | ||||
Exact match “Aventurine Partners is focused on investment opportunities across the energy, power, and industrial sectors.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 20 | 5 contacts → | ||||
Exact match “A clean technology-centric ecosystem, Beam Earth provides funding for environmentally-aligned businesses and services across the investment themes of clean energy, sustainability…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 21 | 5 contacts → | ||||
Exact match “Energy is one of the fundamental forces behind human progress and at Aurivos we are passionate about building and helping companies to deliver affordable energy in a sustainable…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 22 | 4 contacts → | ||||
Exact match “Founded in 1998, Haddington Ventures oversees a growing portfolio of successful conventional and renewable energy businesses that are bringing innovative new infrastructure to the…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 23 | 4 contacts → | ||||
Exact match “Metamorphic Partners is a next generation private investment firm that operates at the intersection of purpose, passion and profit.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 24 | 4 contacts → | ||||
Exact match “Fidelis New Energy, LLC is a Houston-based climate positive infrastructure firm focused on creating and operating projects and systems in the decarbonization and sustainability…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 25 | 4 contacts → | ||||
Exact match “Climate Impact Capital (CIC) is an early stage focused venture capital group who sees the need for financial institutions to take a larger role in addressing climate change and…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “clean energy investment firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 70 clean energy investment firms based in Houston, United States
See the full list, filter by size, metro and specialty, and access 630 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Clean energy investment firms based in Houston, United States at a glance
As of Sep 27, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Houston, so it is reported there. Company counts and contact totals on this page are exact for Houston, over 70 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with Houston, United States whose business descriptions match “clean energy investment firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 630 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 27, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Clean energy investment firms by metro in the United States
- Clean energy investment firms in New York134
- Clean energy investment firms in San Francisco59
- Clean energy investment firms in Boston38
- Clean energy investment firms in Dallas35
- Clean energy investment firms in Chicago32
- Clean energy investment firms in Miami27
- Clean energy investment firms in Washington26
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “clean energy investment firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many clean energy investment firms are there based in Houston, United States?
RevenueBase identified 70 company matches for clean energy investment firms associated with Houston, United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Quantum Capital Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in the United States has the most clean energy investment firms?
New York leads the United States with 134 company records, followed by Houston (70) and San Francisco (59).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 630 professional contacts with verified work emails tracked across these 70 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 27, 2026.
Ready to reach these companies? Verified emails and direct dials for all 70 clean energy investment firms based in Houston, United States. Start with a free account, no credit card.
Download this list →Related lists
Clean energy investment firms by geography
- Clean energy investment firms based in Boston, United States
- Clean energy investment firms based in Chicago, United States
- Clean energy investment firms based in Dallas, United States
- Clean energy investment firms based in Miami, United States
- Clean energy investment firms based in New York, United States
- Clean energy investment firms based in San Francisco, United States
- Clean energy investment firms based in Washington, United States
- Clean energy investment firms based in Australia
- Clean energy investment firms based in Austria
- Clean energy investment firms based in Belgium
- Clean energy investment firms based in Brazil
- Clean energy investment firms based in Canada
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Clean energy investment firms based in Boston, United States
- Clean energy investment firms based in Chicago, United States
- Clean energy investment firms based in Dallas, United States
- Clean energy investment firms based in Miami, United States
- Clean energy investment firms based in New York, United States
- Clean energy investment firms based in San Francisco, United States
Company intelligence · public preview
Top 25 clean energy investment firms based in Houston, United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 70 matching company records for clean energy investment firms based in Houston, United States, with 1,213 tracked contacts and 630 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 27, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 clean energy investment firms based in Houston, United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Quantum Capital Groupquantumcap.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 173 contacts → |
“Founded in 1998, Quantum Capital Group is a leading provider of private equity, credit, and venture capital to the global energy and energy transition industry, having managed…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  ARA Partnersarapartners.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 119 contacts → |
“Founded in 2017, Ara Partners is a global private markets firm focused on decarbonizing the industrial economy.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Pickering Energy Partnerspickeringenergypartners.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 54 contacts → |
“Pickering Energy Partners (PEP) is an energy focused financial services platform.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Tokyo GAS America LTDtgamerica.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 52 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 5 |  Lime Rock Partnerslrpartners.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 49 contacts → |
“Founded in 1998, Lime Rock Partners is a creative, value-adding, and long-term investor of growth capital in global energy companies in the exploration & production, energy…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  PAN Capitalpancapmgmt.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 43 contacts → |
“Pan Capital is an energy-focused investment firm committed to identifying opportunities and delivering value for our investors.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  GECgeclp.comHQ: Houston, TX, United StatesReported employees: Not recorded | Houston, TX, United States | Not recorded | Exact match | 37 contacts → |
“GEC invests in innovative energy technology and software companies.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Renewarenewa.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 36 contacts → |
“Renewa is a renewables company focused on acquisitions and investments within the solar, wind and renewable energy industries.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  CSL Capital Management, LPcslenergy.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 16 contacts → |
“CSL Capital Management, L.P.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  NEW Climate Ventures NCVncv.capitalHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 16 contacts → |
“New Climate Ventures (NCV) is an early-stage venture capital firm investing in the future of how we produce, power, and consume.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Wattbridgewattbridge.infoHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 14 contacts → |
“WattBridge Energy is a Houston, Texas-based global independent power producer.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  547 Energy547energy.comHQ: Houston, United StatesReported employees: 1-10 | Houston, United States | 1-10 | Exact match | 13 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 |  Encap Energy Transitionencapinvestments.comHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 12 contacts → |
“EnCap is pursuing investment opportunities created by the global transition to a lower-carbon energy system.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Mountain Capital Management, LLCmountainlp.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 11 contacts → |
“Mountain Capital is an energy private equity firm established in 2015 by a team of experienced professionals led by Sam Oh.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Connectgen LLCconnectgenllc.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 11 contacts → |
“CONNECTING POWER, PROJECTS & PEOPLE ConnectGEN is developing renewable energy and energy storage projects across North America.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Devaltecdevaltec.coHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 9 contacts → |
“We help companies and their investors succeed in the Energy Transition We offer integrated support in Consulting and Project Development in Sustainable Energy” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  White Deerwhitedeerenergy.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 8 contacts → |
“White Deer is an investment firm focusing on the energy industry’s future and future possibilities.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Tupper Lake Partnerstupperlakepartners.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 8 contacts → |
“Tupper Lake Partners is a Venture Capital and Investment Management firm formed in 2020 comprised of former energy & technology CEOs that bring their experience (and personal…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Aventurine Partnersaventurinepartners.comHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 7 contacts → |
“Aventurine Partners is focused on investment opportunities across the energy, power, and industrial sectors.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Beam Earthbeam.earthHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 5 contacts → |
“A clean technology-centric ecosystem, Beam Earth provides funding for environmentally-aligned businesses and services across the investment themes of clean energy, sustainability…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Aurivosaurivos.comHQ: Houston, United StatesReported employees: 11-50 | Houston, United States | 11-50 | Exact match | 5 contacts → |
“Energy is one of the fundamental forces behind human progress and at Aurivos we are passionate about building and helping companies to deliver affordable energy in a sustainable…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Haddington Ventureshvllc.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 4 contacts → |
“Founded in 1998, Haddington Ventures oversees a growing portfolio of successful conventional and renewable energy businesses that are bringing innovative new infrastructure to the…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Metamorphic Partnersmetamorphicpartners.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 4 contacts → |
“Metamorphic Partners is a next generation private investment firm that operates at the intersection of purpose, passion and profit.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Fidelis NEW Energy, LLCfidelisnewenergy.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 4 contacts → |
“Fidelis New Energy, LLC is a Houston-based climate positive infrastructure firm focused on creating and operating projects and systems in the decarbonization and sustainability…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Climate Impact Capitalclimateimpactcapital.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 4 contacts → |
“Climate Impact Capital (CIC) is an early stage focused venture capital group who sees the need for financial institutions to take a larger role in addressing climate change and…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 70 company matches
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Clean energy investment firms: dataset insights
September 27, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
70 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole United States list rather than for Houston, so it is reported there. Company counts and contact totals on this page are exact for Houston, over 70 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 27, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Clean energy investment firms by metro in the United States
- Clean energy investment firms in New York134
- Clean energy investment firms in San Francisco59
- Clean energy investment firms in Boston38
- Clean energy investment firms in Dallas35
- Clean energy investment firms in Chicago32
- Clean energy investment firms in Miami27
- Clean energy investment firms in Washington26
Questions about this company list
What does Exact match mean for clean energy investment firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many clean energy investment firms did RevenueBase find based in Houston, United States?
The saved snapshot records 70 matching company records, 1,213 tracked contacts and 630 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 27, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Clean energy investment firms by geography
- Clean energy investment firms based in Boston, United States
- Clean energy investment firms based in Chicago, United States
- Clean energy investment firms based in Dallas, United States
- Clean energy investment firms based in Miami, United States
- Clean energy investment firms based in New York, United States
- Clean energy investment firms based in San Francisco, United States
- Clean energy investment firms based in Washington, United States
- Clean energy investment firms based in Australia
- Clean energy investment firms based in Austria
- Clean energy investment firms based in Belgium
- Clean energy investment firms based in Brazil
- Clean energy investment firms based in Canada
Cite this list
RevenueBase Data Team. Top 25 clean energy investment firms based in Houston, United States. Snapshot: September 27, 2026. https://revenuebase.ai/companies/clean-energy-investment-firms/united-states/houston.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Clean energy investment firms based in Boston, United States
- Clean energy investment firms based in Chicago, United States
- Clean energy investment firms based in Dallas, United States
- Clean energy investment firms based in Miami, United States
- Clean energy investment firms based in New York, United States
- Clean energy investment firms based in San Francisco, United States
Company intelligence · public preview
Top 25 clean energy investment firms based in Houston, United States
RevenueBase records 70 matching company records for clean energy investment firms based in Houston, United States, with 1,213 tracked contacts and 630 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 27, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 clean energy investment firms based in Houston, United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Quantum Capital Groupquantumcap.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 173 contacts → |
“Founded in 1998, Quantum Capital Group is a leading provider of private equity, credit, and venture capital to the global energy and energy transition industry, having managed…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | ARA Partnersarapartners.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 119 contacts → |
“Founded in 2017, Ara Partners is a global private markets firm focused on decarbonizing the industrial economy.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Pickering Energy Partnerspickeringenergypartners.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 54 contacts → |
“Pickering Energy Partners (PEP) is an energy focused financial services platform.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Tokyo GAS America LTDtgamerica.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 52 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 5 | Lime Rock Partnerslrpartners.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 49 contacts → |
“Founded in 1998, Lime Rock Partners is a creative, value-adding, and long-term investor of growth capital in global energy companies in the exploration & production, energy…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | PAN Capitalpancapmgmt.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 43 contacts → |
“Pan Capital is an energy-focused investment firm committed to identifying opportunities and delivering value for our investors.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | GECgeclp.com HQ: Houston, TX, United StatesReported employees: Not recorded | Houston, TX, United States | Not recorded | Exact match | 37 contacts → |
“GEC invests in innovative energy technology and software companies.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Renewarenewa.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 36 contacts → |
“Renewa is a renewables company focused on acquisitions and investments within the solar, wind and renewable energy industries.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | CSL Capital Management, LPcslenergy.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 16 contacts → |
“CSL Capital Management, L.P.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | NEW Climate Ventures NCVncv.capital HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 16 contacts → |
“New Climate Ventures (NCV) is an early-stage venture capital firm investing in the future of how we produce, power, and consume.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Wattbridgewattbridge.info HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 14 contacts → |
“WattBridge Energy is a Houston, Texas-based global independent power producer.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | 547 Energy547energy.com HQ: Houston, United StatesReported employees: 1-10 | Houston, United States | 1-10 | Exact match | 13 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 | Encap Energy Transitionencapinvestments.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 12 contacts → |
“EnCap is pursuing investment opportunities created by the global transition to a lower-carbon energy system.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Mountain Capital Management, LLCmountainlp.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 11 contacts → |
“Mountain Capital is an energy private equity firm established in 2015 by a team of experienced professionals led by Sam Oh.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Connectgen LLCconnectgenllc.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 11 contacts → |
“CONNECTING POWER, PROJECTS & PEOPLE ConnectGEN is developing renewable energy and energy storage projects across North America.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Devaltecdevaltec.co HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 9 contacts → |
“We help companies and their investors succeed in the Energy Transition We offer integrated support in Consulting and Project Development in Sustainable Energy” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | White Deerwhitedeerenergy.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 8 contacts → |
“White Deer is an investment firm focusing on the energy industry’s future and future possibilities.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Tupper Lake Partnerstupperlakepartners.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 8 contacts → |
“Tupper Lake Partners is a Venture Capital and Investment Management firm formed in 2020 comprised of former energy & technology CEOs that bring their experience (and personal…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Aventurine Partnersaventurinepartners.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 7 contacts → |
“Aventurine Partners is focused on investment opportunities across the energy, power, and industrial sectors.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Beam Earthbeam.earth HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 5 contacts → |
“A clean technology-centric ecosystem, Beam Earth provides funding for environmentally-aligned businesses and services across the investment themes of clean energy, sustainability…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Aurivosaurivos.com HQ: Houston, United StatesReported employees: 11-50 | Houston, United States | 11-50 | Exact match | 5 contacts → |
“Energy is one of the fundamental forces behind human progress and at Aurivos we are passionate about building and helping companies to deliver affordable energy in a sustainable…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Haddington Ventureshvllc.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 4 contacts → |
“Founded in 1998, Haddington Ventures oversees a growing portfolio of successful conventional and renewable energy businesses that are bringing innovative new infrastructure to the…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Metamorphic Partnersmetamorphicpartners.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 4 contacts → |
“Metamorphic Partners is a next generation private investment firm that operates at the intersection of purpose, passion and profit.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Fidelis NEW Energy, LLCfidelisnewenergy.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 4 contacts → |
“Fidelis New Energy, LLC is a Houston-based climate positive infrastructure firm focused on creating and operating projects and systems in the decarbonization and sustainability…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Climate Impact Capitalclimateimpactcapital.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 4 contacts → |
“Climate Impact Capital (CIC) is an early stage focused venture capital group who sees the need for financial institutions to take a larger role in addressing climate change and…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Clean energy investment firms: dataset insights
September 27, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
70 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole United States list rather than for Houston, so it is reported there. Company counts and contact totals on this page are exact for Houston, over 70 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 27, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Clean energy investment firms by metro in the United States
- Clean energy investment firms in New York134
- Clean energy investment firms in San Francisco59
- Clean energy investment firms in Boston38
- Clean energy investment firms in Dallas35
- Clean energy investment firms in Chicago32
- Clean energy investment firms in Miami27
- Clean energy investment firms in Washington26
Questions about this company list
What does Exact match mean for clean energy investment firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many clean energy investment firms did RevenueBase find based in Houston, United States?
The saved snapshot records 70 matching company records, 1,213 tracked contacts and 630 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 27, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Clean energy investment firms by geography
- Clean energy investment firms based in Boston, United States
- Clean energy investment firms based in Chicago, United States
- Clean energy investment firms based in Dallas, United States
- Clean energy investment firms based in Miami, United States
- Clean energy investment firms based in New York, United States
- Clean energy investment firms based in San Francisco, United States
- Clean energy investment firms based in Washington, United States
- Clean energy investment firms based in Australia
- Clean energy investment firms based in Austria
- Clean energy investment firms based in Belgium
- Clean energy investment firms based in Brazil
- Clean energy investment firms based in Canada
Cite this list
RevenueBase Data Team. Top 25 clean energy investment firms based in Houston, United States. Snapshot: September 27, 2026. https://revenuebase.ai/companies/clean-energy-investment-firms/united-states/houston.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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