Company lists · Data refreshed October 2026
Top 25 Energy efficiency investors based in the United States
RevenueBase identified 417 company matches for energy efficiency investors associated with the United States as of October 2026 and tracks 6,127 professional contacts across them, including 2,684 with verified work emails. New York is the largest hub.
This list covers company matches for energy efficiency investors associated with the 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 October 12, 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 energy efficiency investors based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,513 contacts → | ||||
Exact match “Ameresco, Inc.(NYSE:AMRC) is a leading energy infrastructure solutions provider dedicated to helping customers reduce costs, enhance resilience, and decarbonize to net zero in the…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 2 | 213 contacts → | ||||
Exact match “Dalkia Energy Solutions, a subsidiary of the EDF (Électricité de France) Group, is a national leader in energy efficiency and sustainability for commercial, industrial, and…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 3 | 147 contacts → | ||||
Exact match “RISE is a pioneer in the delivery of turnkey energy-efficiency services for residential, commercial and industrial facilities.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 4 | 129 contacts → | ||||
Exact match “We make sustainable happen.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 5 | 129 contacts → | ||||
Exact match “Synergy Companies is the largest energy services companies in California and provides a comprehensive approach to energy efficiency and environmental solutions in both the…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 6 | 117 contacts → | ||||
Exact match “PSD is an energy efficiency services and technology company.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 7 | 117 contacts → | ||||
Exact match “Erus Energy helps building owners evaluate and finance investments in Solar Energy and other energy saving equipment.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 8 | 84 contacts → | ||||
Exact match “With 20 years of experience and 300+ plants and institutions served globally, nobody understands energy infrastructure, efficiency, and financial opportunity quite like Optimum…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 9 | 82 contacts → | ||||
Exact match “Energy Project Solutions (EPS) is an energy project consulting firm dedicated to helping our partners achieve their goals through localized expertise, strategic insight, and…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 10 | 70 contacts → | ||||
Exact match “If your business is interested in cutting energy costs and securing little known incentives to help fund initial project costs, SEMCO can help you.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 11 | 64 contacts → | ||||
Exact match “Energy 350 takes pride in performing high quality energy studies and energy efficiency related services for end users as well as program administrators.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 12 | 61 contacts → | ||||
Exact match “Entegrity is an energy services, sustainability and solar development company specializing in the implementation of energy conservation and renewable energy projects.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 13 | 61 contacts → | ||||
Exact match “GreenGen is a global leader in energy and sustainability solutions, empowering organizations to Operate in the Green®.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 14 | 61 contacts → | ||||
Exact match “TEN is an independent energy services company that provides energy projects to government, K12, higher education, healthcare, and large commercial customers.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 15 | 60 contacts → | ||||
Exact match “Onyx Renewables is a leading provider of predictable, affordable clean energy solutions nationwide.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 16 | 57 contacts → | ||||
Exact match “Partner Energy, Inc.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 17 | 54 contacts → | ||||
Exact match “DVM Industries is a Turnkey Facility and Energy Solutions Company that specializes in providing energy solutions for the Residential, Commercial, Hospitality and Healthcare…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 18 | 52 contacts → | ||||
Exact match “FCI provides impactful energy solutions at every point on the delivery chain-from system design to program development to marketing and installation.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 19 | 50 contacts → | ||||
Exact match “Ally Energy Solutions provides turnkey energy services primarily for companies in the food & beverage, industrial, and logistics industries.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 20 | 49 contacts → | ||||
Exact match “ECM is one of the nation’s leading providers of energy efficiency retrofit technologies.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 21 | 47 contacts → | ||||
Exact match “Energy Source helps organizations simplify energy efficiency, electrification, EV charging, distributed energy, and electrical infrastructure projects.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 22 | 43 contacts → | ||||
Exact match “Commercial Green Solutions is an A–Z energy consultancy (since 2014) helping hospitality, senior living and commercial properties reduce energy use, lower utility spend and…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 23 | 43 contacts → | ||||
Exact match “We provide energy solutions for homes and businesses.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 24 | 40 contacts → | ||||
Exact match “Tri-State Energy (formerly Tri-State Light & Energy) is an engineering firm with over 40 years of experience specializing in energy efficiency consulting and implementation…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 25 | 39 contacts → | ||||
Exact match “FOR Energy is committed to being your single source for living a more sustainable and energy-efficient lifestyle.” Recorded in the RevenueBase company graph · Oct 12, 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 “energy efficiency investors”. 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 417 energy efficiency investors based in the United States
See the full list, filter by size, metro and specialty, and access 2,684 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Energy efficiency investors based in the United States at a glance
As of Oct 12, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 417 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 the United States whose business descriptions match “energy efficiency investors” 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 2,684 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 October 12, 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.
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 “energy efficiency investors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many energy efficiency investors are there based in the United States?
RevenueBase identified 417 company matches for energy efficiency investors associated with the United States as of October 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?
Ameresco tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most energy efficiency investors?
New York leads with 16 company records, followed by Chicago (9) and Denver (8).
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 2,684 professional contacts with verified work emails tracked across these 417 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 October 12, 2026.
Ready to reach these companies? Verified emails and direct dials for all 417 energy efficiency investors based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Energy efficiency investors by geography
- Energy efficiency investors based in Paris, France
- Energy efficiency investors based in London, United Kingdom
- Energy efficiency investors based in Australia
- Energy efficiency investors based in Belgium
- Energy efficiency investors based in Brazil
- Energy efficiency investors based in Canada
- Energy efficiency investors based in France
- Energy efficiency investors based in Germany
- Energy efficiency investors based in Italy
- Energy efficiency investors based in Mexico
- Energy efficiency investors based in the Netherlands
- Energy efficiency investors based in Poland
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
- Energy efficiency investors based in Paris, France
- Energy efficiency investors based in London, United Kingdom
- Energy efficiency investors based in Australia
- Energy efficiency investors based in Belgium
- Energy efficiency investors based in Brazil
- Energy efficiency investors based in Canada
Company intelligence · public preview
Top 25 energy efficiency investors based in the 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 417 matching company records for energy efficiency investors based in the United States, with 6,127 tracked contacts and 2,684 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: October 12, 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 energy efficiency investors based in the 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 |  Amerescoameresco.comHQ: Framingham, MA, United StatesReported employees: 1,001-5,000 | Framingham, MA, United States | 1,001-5,000 | Exact match | 1,513 contacts → |
“Ameresco, Inc.(NYSE:AMRC) is a leading energy infrastructure solutions provider dedicated to helping customers reduce costs, enhance resilience, and decarbonize to net zero in the…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Dalkia Energy Solutionsdalkiasolutions.comHQ: Beverly, MA, United StatesReported employees: 201-500 | Beverly, MA, United States | 201-500 | Exact match | 213 contacts → |
“Dalkia Energy Solutions, a subsidiary of the EDF (Électricité de France) Group, is a national leader in energy efficiency and sustainability for commercial, industrial, and…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  RISEriseengineering.comHQ: Cranston, RI, United StatesReported employees: 201-500 | Cranston, RI, United States | 201-500 | Exact match | 147 contacts → |
“RISE is a pioneer in the delivery of turnkey energy-efficiency services for residential, commercial and industrial facilities.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Envocoreenvocore.comHQ: Gambrills, MD, United StatesReported employees: 201-500 | Gambrills, MD, United States | 201-500 | Exact match | 129 contacts → |
“We make sustainable happen.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Synergy Companiessynergycompanies.comHQ: Fresno, CA, United StatesReported employees: 501-1,000 | Fresno, CA, United States | 501-1,000 | Exact match | 129 contacts → |
“Synergy Companies is the largest energy services companies in California and provides a comprehensive approach to energy efficiency and environmental solutions in both the…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  PSDpsdconsulting.comHQ: Ithaca, NY, United StatesReported employees: 51-200 | Ithaca, NY, United States | 51-200 | Exact match | 117 contacts → |
“PSD is an energy efficiency services and technology company.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Erus Energyerusenergy.comHQ: Phoenix, AZ, United StatesReported employees: 51-200 | Phoenix, AZ, United States | 51-200 | Exact match | 117 contacts → |
“Erus Energy helps building owners evaluate and finance investments in Solar Energy and other energy saving equipment.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Optimum Energyoptimumenergyco.comHQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 84 contacts → |
“With 20 years of experience and 300+ plants and institutions served globally, nobody understands energy infrastructure, efficiency, and financial opportunity quite like Optimum…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Energy Project Solutionsenergyprojectsolutions.comHQ: Las Vegas, NV, United StatesReported employees: 51-200 | Las Vegas, NV, United States | 51-200 | Exact match | 82 contacts → |
“Energy Project Solutions (EPS) is an energy project consulting firm dedicated to helping our partners achieve their goals through localized expertise, strategic insight, and…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | SEMCOthesemco.com HQ: Birmingham, AL, United StatesReported employees: Not recorded | Birmingham, AL, United States | Not recorded | Exact match | 70 contacts → |
“If your business is interested in cutting energy costs and securing little known incentives to help fund initial project costs, SEMCO can help you.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Energy 350, INCenergy350.comHQ: Portland, OR, United StatesReported employees: 51-200 | Portland, OR, United States | 51-200 | Exact match | 64 contacts → |
“Energy 350 takes pride in performing high quality energy studies and energy efficiency related services for end users as well as program administrators.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Entegrityentegritypartners.comHQ: Little Rock, AR, United StatesReported employees: 51-200 | Little Rock, AR, United States | 51-200 | Exact match | 61 contacts → |
“Entegrity is an energy services, sustainability and solar development company specializing in the implementation of energy conservation and renewable energy projects.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Greengengreengen.comHQ: Bethesda, MD, United StatesReported employees: 11-50 | Bethesda, MD, United States | 11-50 | Exact match | 61 contacts → |
“GreenGen is a global leader in energy and sustainability solutions, empowering organizations to Operate in the Green®.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | The Efficiency Networktensaves.com HQ: Pittsburgh, PA, United StatesReported employees: 11-50 | Pittsburgh, PA, United States | 11-50 | Exact match | 61 contacts → |
“TEN is an independent energy services company that provides energy projects to government, K12, higher education, healthcare, and large commercial customers.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Onyx Renewablesonyxrenewables.comHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 60 contacts → |
“Onyx Renewables is a leading provider of predictable, affordable clean energy solutions nationwide.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Partner Energyptrenergy.comHQ: Los Angeles, CA, United StatesReported employees: 51-200 | Los Angeles, CA, United States | 51-200 | Exact match | 57 contacts → |
“Partner Energy, Inc.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  DVM Industriesdvmindustries.usHQ: Long Island City, United StatesReported employees: 11-50 | Long Island City, United States | 11-50 | Exact match | 54 contacts → |
“DVM Industries is a Turnkey Facility and Energy Solutions Company that specializes in providing energy solutions for the Residential, Commercial, Hospitality and Healthcare…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  FCI Managementfcimgt.comHQ: Cerritos, CA, United StatesReported employees: 51-200 | Cerritos, CA, United States | 51-200 | Exact match | 52 contacts → |
“FCI provides impactful energy solutions at every point on the delivery chain-from system design to program development to marketing and installation.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Ally Energy Solutionsally-energy.comHQ: Overland Park, KS, United StatesReported employees: 11-50 | Overland Park, KS, United States | 11-50 | Exact match | 50 contacts → |
“Ally Energy Solutions provides turnkey energy services primarily for companies in the food & beverage, industrial, and logistics industries.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  ECM Holding Group, INCecmholdinggroup.comHQ: Oshkosh, WI, United StatesReported employees: 201-500 | Oshkosh, WI, United States | 201-500 | Exact match | 49 contacts → |
“ECM is one of the nation’s leading providers of energy efficiency retrofit technologies.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Energy Sourceenergysource.comHQ: Smithfield, RI, United StatesReported employees: 51-200 | Smithfield, RI, United States | 51-200 | Exact match | 47 contacts → |
“Energy Source helps organizations simplify energy efficiency, electrification, EV charging, distributed energy, and electrical infrastructure projects.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Commercial Green Solutionscommercialgreensolutions.comHQ: Charlotte, NC, United StatesReported employees: 51-200 | Charlotte, NC, United States | 51-200 | Exact match | 43 contacts → |
“Commercial Green Solutions is an A–Z energy consultancy (since 2014) helping hospitality, senior living and commercial properties reduce energy use, lower utility spend and…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Brower Mechanicalbrowermechanical.comHQ: Rocklin, CA, United StatesReported employees: 51-200 | Rocklin, CA, United States | 51-200 | Exact match | 43 contacts → |
“We provide energy solutions for homes and businesses.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Tri-State Energytrisenergy.com HQ: New Brunswick, NJ, United StatesReported employees: 11-50 | New Brunswick, NJ, United States | 11-50 | Exact match | 40 contacts → |
“Tri-State Energy (formerly Tri-State Light & Energy) is an engineering firm with over 40 years of experience specializing in energy efficiency consulting and implementation…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | For Energyforenergy.com HQ: Tempe, AZ, United StatesReported employees: 11-50 | Tempe, AZ, United States | 11-50 | Exact match | 39 contacts → |
“FOR Energy is committed to being your single source for living a more sustainable and energy-efficient lifestyle.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 417 company matches
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Energy efficiency investors: dataset insights
October 12, 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
417 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 worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 417 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: October 12, 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 ↗
Questions about this company list
What does Exact match mean for energy efficiency investors?
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 energy efficiency investors did RevenueBase find based in the United States?
The saved snapshot records 417 matching company records, 6,127 tracked contacts and 2,684 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: October 12, 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
Energy efficiency investors by geography
- Energy efficiency investors based in Paris, France
- Energy efficiency investors based in London, United Kingdom
- Energy efficiency investors based in Australia
- Energy efficiency investors based in Belgium
- Energy efficiency investors based in Brazil
- Energy efficiency investors based in Canada
- Energy efficiency investors based in France
- Energy efficiency investors based in Germany
- Energy efficiency investors based in Italy
- Energy efficiency investors based in Mexico
- Energy efficiency investors based in the Netherlands
- Energy efficiency investors based in Poland
Cite this list
RevenueBase Data Team. Top 25 energy efficiency investors based in the United States. Snapshot: October 12, 2026. https://revenuebase.ai/companies/energy-efficiency-investors/united-states.
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
- Energy efficiency investors based in Paris, France
- Energy efficiency investors based in London, United Kingdom
- Energy efficiency investors based in Australia
- Energy efficiency investors based in Belgium
- Energy efficiency investors based in Brazil
- Energy efficiency investors based in Canada
Company intelligence · public preview
Top 25 energy efficiency investors based in the United States
RevenueBase records 417 matching company records for energy efficiency investors based in the United States, with 6,127 tracked contacts and 2,684 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: October 12, 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 energy efficiency investors based in the 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 | Amerescoameresco.com HQ: Framingham, MA, United StatesReported employees: 1,001-5,000 | Framingham, MA, United States | 1,001-5,000 | Exact match | 1,513 contacts → |
“Ameresco, Inc.(NYSE:AMRC) is a leading energy infrastructure solutions provider dedicated to helping customers reduce costs, enhance resilience, and decarbonize to net zero in the…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Dalkia Energy Solutionsdalkiasolutions.com HQ: Beverly, MA, United StatesReported employees: 201-500 | Beverly, MA, United States | 201-500 | Exact match | 213 contacts → |
“Dalkia Energy Solutions, a subsidiary of the EDF (Électricité de France) Group, is a national leader in energy efficiency and sustainability for commercial, industrial, and…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | RISEriseengineering.com HQ: Cranston, RI, United StatesReported employees: 201-500 | Cranston, RI, United States | 201-500 | Exact match | 147 contacts → |
“RISE is a pioneer in the delivery of turnkey energy-efficiency services for residential, commercial and industrial facilities.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Envocoreenvocore.com HQ: Gambrills, MD, United StatesReported employees: 201-500 | Gambrills, MD, United States | 201-500 | Exact match | 129 contacts → |
“We make sustainable happen.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Synergy Companiessynergycompanies.com HQ: Fresno, CA, United StatesReported employees: 501-1,000 | Fresno, CA, United States | 501-1,000 | Exact match | 129 contacts → |
“Synergy Companies is the largest energy services companies in California and provides a comprehensive approach to energy efficiency and environmental solutions in both the…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | PSDpsdconsulting.com HQ: Ithaca, NY, United StatesReported employees: 51-200 | Ithaca, NY, United States | 51-200 | Exact match | 117 contacts → |
“PSD is an energy efficiency services and technology company.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Erus Energyerusenergy.com HQ: Phoenix, AZ, United StatesReported employees: 51-200 | Phoenix, AZ, United States | 51-200 | Exact match | 117 contacts → |
“Erus Energy helps building owners evaluate and finance investments in Solar Energy and other energy saving equipment.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Optimum Energyoptimumenergyco.com HQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 84 contacts → |
“With 20 years of experience and 300+ plants and institutions served globally, nobody understands energy infrastructure, efficiency, and financial opportunity quite like Optimum…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Energy Project Solutionsenergyprojectsolutions.com HQ: Las Vegas, NV, United StatesReported employees: 51-200 | Las Vegas, NV, United States | 51-200 | Exact match | 82 contacts → |
“Energy Project Solutions (EPS) is an energy project consulting firm dedicated to helping our partners achieve their goals through localized expertise, strategic insight, and…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | SEMCOthesemco.com HQ: Birmingham, AL, United StatesReported employees: Not recorded | Birmingham, AL, United States | Not recorded | Exact match | 70 contacts → |
“If your business is interested in cutting energy costs and securing little known incentives to help fund initial project costs, SEMCO can help you.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Energy 350, INCenergy350.com HQ: Portland, OR, United StatesReported employees: 51-200 | Portland, OR, United States | 51-200 | Exact match | 64 contacts → |
“Energy 350 takes pride in performing high quality energy studies and energy efficiency related services for end users as well as program administrators.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Entegrityentegritypartners.com HQ: Little Rock, AR, United StatesReported employees: 51-200 | Little Rock, AR, United States | 51-200 | Exact match | 61 contacts → |
“Entegrity is an energy services, sustainability and solar development company specializing in the implementation of energy conservation and renewable energy projects.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Greengengreengen.com HQ: Bethesda, MD, United StatesReported employees: 11-50 | Bethesda, MD, United States | 11-50 | Exact match | 61 contacts → |
“GreenGen is a global leader in energy and sustainability solutions, empowering organizations to Operate in the Green®.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | The Efficiency Networktensaves.com HQ: Pittsburgh, PA, United StatesReported employees: 11-50 | Pittsburgh, PA, United States | 11-50 | Exact match | 61 contacts → |
“TEN is an independent energy services company that provides energy projects to government, K12, higher education, healthcare, and large commercial customers.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Onyx Renewablesonyxrenewables.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 60 contacts → |
“Onyx Renewables is a leading provider of predictable, affordable clean energy solutions nationwide.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Partner Energyptrenergy.com HQ: Los Angeles, CA, United StatesReported employees: 51-200 | Los Angeles, CA, United States | 51-200 | Exact match | 57 contacts → |
“Partner Energy, Inc.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | DVM Industriesdvmindustries.us HQ: Long Island City, United StatesReported employees: 11-50 | Long Island City, United States | 11-50 | Exact match | 54 contacts → |
“DVM Industries is a Turnkey Facility and Energy Solutions Company that specializes in providing energy solutions for the Residential, Commercial, Hospitality and Healthcare…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | FCI Managementfcimgt.com HQ: Cerritos, CA, United StatesReported employees: 51-200 | Cerritos, CA, United States | 51-200 | Exact match | 52 contacts → |
“FCI provides impactful energy solutions at every point on the delivery chain-from system design to program development to marketing and installation.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Ally Energy Solutionsally-energy.com HQ: Overland Park, KS, United StatesReported employees: 11-50 | Overland Park, KS, United States | 11-50 | Exact match | 50 contacts → |
“Ally Energy Solutions provides turnkey energy services primarily for companies in the food & beverage, industrial, and logistics industries.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | ECM Holding Group, INCecmholdinggroup.com HQ: Oshkosh, WI, United StatesReported employees: 201-500 | Oshkosh, WI, United States | 201-500 | Exact match | 49 contacts → |
“ECM is one of the nation’s leading providers of energy efficiency retrofit technologies.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Energy Sourceenergysource.com HQ: Smithfield, RI, United StatesReported employees: 51-200 | Smithfield, RI, United States | 51-200 | Exact match | 47 contacts → |
“Energy Source helps organizations simplify energy efficiency, electrification, EV charging, distributed energy, and electrical infrastructure projects.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Commercial Green Solutionscommercialgreensolutions.com HQ: Charlotte, NC, United StatesReported employees: 51-200 | Charlotte, NC, United States | 51-200 | Exact match | 43 contacts → |
“Commercial Green Solutions is an A–Z energy consultancy (since 2014) helping hospitality, senior living and commercial properties reduce energy use, lower utility spend and…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Brower Mechanicalbrowermechanical.com HQ: Rocklin, CA, United StatesReported employees: 51-200 | Rocklin, CA, United States | 51-200 | Exact match | 43 contacts → |
“We provide energy solutions for homes and businesses.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Tri-State Energytrisenergy.com HQ: New Brunswick, NJ, United StatesReported employees: 11-50 | New Brunswick, NJ, United States | 11-50 | Exact match | 40 contacts → |
“Tri-State Energy (formerly Tri-State Light & Energy) is an engineering firm with over 40 years of experience specializing in energy efficiency consulting and implementation…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | For Energyforenergy.com HQ: Tempe, AZ, United StatesReported employees: 11-50 | Tempe, AZ, United States | 11-50 | Exact match | 39 contacts → |
“FOR Energy is committed to being your single source for living a more sustainable and energy-efficient lifestyle.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 417 company matches
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Energy efficiency investors: dataset insights
October 12, 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
417 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 worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 417 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: October 12, 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 ↗
Questions about this company list
What does Exact match mean for energy efficiency investors?
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 energy efficiency investors did RevenueBase find based in the United States?
The saved snapshot records 417 matching company records, 6,127 tracked contacts and 2,684 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: October 12, 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
Energy efficiency investors by geography
- Energy efficiency investors based in Paris, France
- Energy efficiency investors based in London, United Kingdom
- Energy efficiency investors based in Australia
- Energy efficiency investors based in Belgium
- Energy efficiency investors based in Brazil
- Energy efficiency investors based in Canada
- Energy efficiency investors based in France
- Energy efficiency investors based in Germany
- Energy efficiency investors based in Italy
- Energy efficiency investors based in Mexico
- Energy efficiency investors based in the Netherlands
- Energy efficiency investors based in Poland
Cite this list
RevenueBase Data Team. Top 25 energy efficiency investors based in the United States. Snapshot: October 12, 2026. https://revenuebase.ai/companies/energy-efficiency-investors/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Energy efficiency investors based in Paris, France
- Energy efficiency investors based in London, United Kingdom
- Energy efficiency investors based in Australia
- Energy efficiency investors based in Belgium
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- Energy efficiency investors based in Canada