Company lists · Data refreshed October 2026
Top 25 Clean energy policy consultants based in the United States
RevenueBase identified 1,708 company matches for clean energy policy consultants associated with the United States as of October 2026 and tracks 22,747 professional contacts across them, including 10,655 with verified work emails. New York is the largest hub.
This list covers company matches for clean energy policy consultants 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 9, 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 policy consultants based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,661 contacts → | ||||
Exact match “Founded on a commitment to sound science and creative solutions, SWCA is a leader in environmental and management consulting services.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 2 | 872 contacts → | ||||
Exact match “Willdan (NASDAQ: WLDN) provides professional consulting and technical services to utilities, public agencies and private industry throughout the United States.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 3 | 730 contacts → | ||||
Exact match “ESA is a 100% employee-owned environmental consulting firm.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 4 | 462 contacts → | ||||
Exact match “We are Groundwater & Environmental Services, Inc, better known as GES.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 5 | 433 contacts → | ||||
Exact match “Synergy Consulting is Global Leader in Financial and Corporate Advisory.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 6 | 387 contacts → | ||||
Exact match “We are Trio – global energy and sustainability advisors.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 7 | 360 contacts → | ||||
Exact match “National Utility Service, Inc.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 8 | 330 contacts → | ||||
Exact match “Environmental Consulting & Technology, Inc.(ECT) is a multi-disciplinary environmental and sustainability consulting firm delivering strategy, permitting, design, and management…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 9 | 301 contacts → | ||||
Exact match “At Cascade Energy, we believe in better.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 10 | 298 contacts → | ||||
Exact match “E&E is now WSP USA.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 11 | 297 contacts → | ||||
Exact match “Merjent is an environmental, restoration, and engineering consulting firm with a long history serving the energy industry.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 12 | 297 contacts → | ||||
Exact match “CPI is an analysis and advisory organization with deep expertise in finance and policy.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 13 | 281 contacts → | ||||
Exact match “We provide global renewable energy consulting services, focused on empowering clients to navigate the complexities of the energy transition.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 14 | 277 contacts → | ||||
Exact match “Nova Group, GBC is an international, multidisciplinary advising firm providing environmental, engineering and energy services throughout North America and around the globe.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 15 | 236 contacts → | ||||
Exact match “At Kleinschmidt, we work primarily with energy companies and government agencies in North America to protect and enhance the environment without compromising performance.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 16 | 217 contacts → | ||||
Exact match “Appl Inc is an environmental services company based out of 908 N Temperance Ave, Clovis, CA, United States.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 17 | 216 contacts → | ||||
Exact match “PEG presents a comprehensive capacity for the evaluation and understanding of a broad base of energy and environmental sustainability related programs, policies and initiatives.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 18 | 196 contacts → | ||||
Exact match “Lindahl Reed empowers tomorrow by inspiring change and shaping a better future.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 19 | 189 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 20 | 189 contacts → | ||||
Exact match “Resource Innovations now combined with Nexant is a substantially woman-owned, woman-led energy consulting firm dedicated to creating equal access to clean resources through…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 21 | 173 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 22 | 171 contacts → | ||||
Exact match “Founded in 1988, KERAMIDA is a multidisciplinary Sustainability, EHS & Engineering consulting firm grounded in evidence-based research and development.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 23 | 168 contacts → | ||||
Exact match “TPH & Co, the energy business of Perella Weinberg, provides strategic and financial advice to investors, management teams, boards of directors, government bodies, and other…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 24 | 166 contacts → | ||||
Exact match “IEc is an environmental consulting firm with four decades of experience providing consulting services to a diverse client base.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 25 | 164 contacts → | ||||
Exact match “Terraphase offers cost-effective solutions to complex environmental and engineering challenges.” Recorded in the RevenueBase company graph · Oct 9, 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 policy consultants”. 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 1,708 clean energy policy consultants based in the United States
See the full list, filter by size, metro and specialty, and access 10,655 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Clean energy policy consultants based in the United States at a glance
As of Oct 9, 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 1,708 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 “clean energy policy consultants” 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 10,655 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 9, 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 policy consultants by metro
- Clean energy policy consultants in New York72
- Clean energy policy consultants in Washington69
- Clean energy policy consultants in Houston63
- Clean energy policy consultants in San Francisco38
- Clean energy policy consultants in Chicago37
- Clean energy policy consultants in Denver34
- Clean energy policy consultants in Los Angeles33
- Clean energy policy consultants in Austin31
- Clean energy policy consultants in Portland25
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 policy consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many clean energy policy consultants are there based in the United States?
RevenueBase identified 1,708 company matches for clean energy policy consultants 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?
Swca Environmental Consultants tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most clean energy policy consultants?
New York leads with 72 company records, followed by Washington (69) and Houston (63).
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 10,655 professional contacts with verified work emails tracked across these 1,708 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 9, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,708 clean energy policy consultants based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Clean energy policy consultants by geography
- Clean energy policy consultants based in Buenos Aires, Argentina
- Clean energy policy consultants based in Brisbane, Australia
- Clean energy policy consultants based in Melbourne, Australia
- Clean energy policy consultants based in Perth, Australia
- Clean energy policy consultants based in Sydney, Australia
- Clean energy policy consultants based in Belo Horizonte, Brazil
- Clean energy policy consultants based in Curitiba, Brazil
- Clean energy policy consultants based in Porto Alegre, Brazil
- Clean energy policy consultants based in Rio De Janeiro, Brazil
- Clean energy policy consultants based in Sao Paulo, Brazil
- Clean energy policy consultants based in Calgary, Canada
- Clean energy policy consultants based in Toronto, 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 policy consultants based in Buenos Aires, Argentina
- Clean energy policy consultants based in Brisbane, Australia
- Clean energy policy consultants based in Melbourne, Australia
- Clean energy policy consultants based in Perth, Australia
- Clean energy policy consultants based in Sydney, Australia
- Clean energy policy consultants based in Belo Horizonte, Brazil
Company intelligence · public preview
Top 25 clean energy policy consultants 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 1,708 matching company records for clean energy policy consultants based in the United States, with 22,747 tracked contacts and 10,655 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 9, 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 policy consultants 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 |  Swca Environmental Consultantsswca.comHQ: Phoenix, AZ, United StatesReported employees: 1,001-5,000 | Phoenix, AZ, United States | 1,001-5,000 | Exact match | 1,661 contacts → |
“Founded on a commitment to sound science and creative solutions, SWCA is a leader in environmental and management consulting services.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Willdanwilldan.comHQ: Anaheim, CA, United StatesReported employees: 1,001-5,000 | Anaheim, CA, United States | 1,001-5,000 | Exact match | 872 contacts → |
“Willdan (NASDAQ: WLDN) provides professional consulting and technical services to utilities, public agencies and private industry throughout the United States.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Environmental Science Associatesesassoc.comHQ: San Francisco, CA, United StatesReported employees: 501-1,000 | San Francisco, CA, United States | 501-1,000 | Exact match | 730 contacts → |
“ESA is a 100% employee-owned environmental consulting firm.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Groundwater & Environmental Services, INCgesonline.comHQ: Wall Township, NJ, United StatesReported employees: 201-500 | Wall Township, NJ, United States | 201-500 | Exact match | 462 contacts → |
“We are Groundwater & Environmental Services, Inc, better known as GES.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Synergy Consulting, INCsynergyconsultingifa.comHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 433 contacts → |
“Synergy Consulting is Global Leader in Financial and Corporate Advisory.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  TRIOtrioadvisory.comHQ: Irvine, CA, United StatesReported employees: 201-500 | Irvine, CA, United States | 201-500 | Exact match | 387 contacts → |
“We are Trio – global energy and sustainability advisors.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  NUS Consulting Groupnusconsulting.comHQ: Park Ridge, NJ, United StatesReported employees: 201-500 | Park Ridge, NJ, United States | 201-500 | Exact match | 360 contacts → |
“National Utility Service, Inc.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Gainesville, FL, United StatesReported employees: 201-500 | Gainesville, FL, United States | 201-500 | Exact match | 330 contacts → |
“Environmental Consulting & Technology, Inc.(ECT) is a multi-disciplinary environmental and sustainability consulting firm delivering strategy, permitting, design, and management…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Cascade Energycascadeenergy.comHQ: Portland, OR, United StatesReported employees: 201-500 | Portland, OR, United States | 201-500 | Exact match | 301 contacts → |
“At Cascade Energy, we believe in better.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Ecology And Environment, INCwsp.comHQ: Lancaster, NY, United StatesReported employees: 5,001-10,000 | Lancaster, NY, United States | 5,001-10,000 | Exact match | 298 contacts → |
“E&E is now WSP USA.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Merjentmerjent.comHQ: Minneapolis, MN, United StatesReported employees: 201-500 | Minneapolis, MN, United States | 201-500 | Exact match | 297 contacts → |
“Merjent is an environmental, restoration, and engineering consulting firm with a long history serving the energy industry.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Climate Policy Initiativeclimatepolicyinitiative.orgHQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 297 contacts → |
“CPI is an analysis and advisory organization with deep expertise in finance and policy.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  PSC Consultingpscconsulting.comHQ: Kirkland, WA, United StatesReported employees: 201-500 | Kirkland, WA, United States | 201-500 | Exact match | 281 contacts → |
“We provide global renewable energy consulting services, focused on empowering clients to navigate the complexities of the energy transition.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Nova Group, GBCnovagroupgbc.comHQ: St. Louis Park, MN, United StatesReported employees: 201-500 | St. Louis Park, MN, United States | 201-500 | Exact match | 277 contacts → |
“Nova Group, GBC is an international, multidisciplinary advising firm providing environmental, engineering and energy services throughout North America and around the globe.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Kleinschmidt Associateskleinschmidtgroup.comHQ: Pittsfield, ME, United StatesReported employees: 201-500 | Pittsfield, ME, United States | 201-500 | Exact match | 236 contacts → |
“At Kleinschmidt, we work primarily with energy companies and government agencies in North America to protect and enhance the environment without compromising performance.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  APPLapplinc.comHQ: Clovis, CA, United StatesReported employees: Not recorded | Clovis, CA, United States | Not recorded | Exact match | 217 contacts → |
“Appl Inc is an environmental services company based out of 908 N Temperance Ave, Clovis, CA, United States.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  PEGpegenv.comHQ: Fairfax, VA, United StatesReported employees: 201-500 | Fairfax, VA, United States | 201-500 | Exact match | 216 contacts → |
“PEG presents a comprehensive capacity for the evaluation and understanding of a broad base of energy and environmental sustainability related programs, policies and initiatives.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Lindahl Reed INClindahlreed.comHQ: Bend, OR, United StatesReported employees: 201-500 | Bend, OR, United States | 201-500 | Exact match | 196 contacts → |
“Lindahl Reed empowers tomorrow by inspiring change and shaping a better future.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Normandeau Associates, INCnormandeau.comHQ: Bedford, NH, United StatesReported employees: 201-500 | Bedford, NH, United States | 201-500 | Exact match | 189 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 |  Nexantresource-innovations.comHQ: Half Moon Bay, CA, United StatesReported employees: 201-500 | Half Moon Bay, CA, United States | 201-500 | Exact match | 189 contacts → |
“Resource Innovations now combined with Nexant is a substantially woman-owned, woman-led energy consulting firm dedicated to creating equal access to clean resources through…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Ecorp Consulting, INCecorpconsulting.comHQ: Rocklin, CA, United StatesReported employees: 51-200 | Rocklin, CA, United States | 51-200 | Exact match | 173 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 |  Keramida INCkeramida.comHQ: Indianapolis, IN, United StatesReported employees: 51-200 | Indianapolis, IN, United States | 51-200 | Exact match | 171 contacts → |
“Founded in 1988, KERAMIDA is a multidisciplinary Sustainability, EHS & Engineering consulting firm grounded in evidence-based research and development.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Tph&cotphco.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 168 contacts → |
“TPH & Co, the energy business of Perella Weinberg, provides strategic and financial advice to investors, management teams, boards of directors, government bodies, and other…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Industrial Economics, Incorporated IECindecon.com HQ: Cambridge, MA, United StatesReported employees: 51-200 | Cambridge, MA, United States | 51-200 | Exact match | 166 contacts → |
“IEc is an environmental consulting firm with four decades of experience providing consulting services to a diverse client base.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Terraphase Engineering INCterraphase.comHQ: Oakland, CA, United StatesReported employees: 201-500 | Oakland, CA, United States | 201-500 | Exact match | 164 contacts → |
“Terraphase offers cost-effective solutions to complex environmental and engineering challenges.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,708 company matches
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Clean energy policy consultants: dataset insights
October 9, 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
1,706 records in the displayed employee bands.
2 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 1,708 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 9, 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 policy consultants by metro
- Clean energy policy consultants in New York72
- Clean energy policy consultants in Washington69
- Clean energy policy consultants in Houston63
- Clean energy policy consultants in San Francisco38
- Clean energy policy consultants in Chicago37
- Clean energy policy consultants in Denver34
- Clean energy policy consultants in Los Angeles33
- Clean energy policy consultants in Austin31
- Clean energy policy consultants in Portland25
Questions about this company list
What does Exact match mean for clean energy policy consultants?
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 policy consultants did RevenueBase find based in the United States?
The saved snapshot records 1,708 matching company records, 22,747 tracked contacts and 10,655 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 9, 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 policy consultants by geography
- Clean energy policy consultants based in Buenos Aires, Argentina
- Clean energy policy consultants based in Brisbane, Australia
- Clean energy policy consultants based in Melbourne, Australia
- Clean energy policy consultants based in Perth, Australia
- Clean energy policy consultants based in Sydney, Australia
- Clean energy policy consultants based in Belo Horizonte, Brazil
- Clean energy policy consultants based in Curitiba, Brazil
- Clean energy policy consultants based in Porto Alegre, Brazil
- Clean energy policy consultants based in Rio De Janeiro, Brazil
- Clean energy policy consultants based in Sao Paulo, Brazil
- Clean energy policy consultants based in Calgary, Canada
- Clean energy policy consultants based in Toronto, Canada
Cite this list
RevenueBase Data Team. Top 25 clean energy policy consultants based in the United States. Snapshot: October 9, 2026. https://revenuebase.ai/companies/clean-energy-policy-consultants/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
- Clean energy policy consultants based in Buenos Aires, Argentina
- Clean energy policy consultants based in Brisbane, Australia
- Clean energy policy consultants based in Melbourne, Australia
- Clean energy policy consultants based in Perth, Australia
- Clean energy policy consultants based in Sydney, Australia
- Clean energy policy consultants based in Belo Horizonte, Brazil
Company intelligence · public preview
Top 25 clean energy policy consultants based in the United States
RevenueBase records 1,708 matching company records for clean energy policy consultants based in the United States, with 22,747 tracked contacts and 10,655 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 9, 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 policy consultants 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 | Swca Environmental Consultantsswca.com HQ: Phoenix, AZ, United StatesReported employees: 1,001-5,000 | Phoenix, AZ, United States | 1,001-5,000 | Exact match | 1,661 contacts → |
“Founded on a commitment to sound science and creative solutions, SWCA is a leader in environmental and management consulting services.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Willdanwilldan.com HQ: Anaheim, CA, United StatesReported employees: 1,001-5,000 | Anaheim, CA, United States | 1,001-5,000 | Exact match | 872 contacts → |
“Willdan (NASDAQ: WLDN) provides professional consulting and technical services to utilities, public agencies and private industry throughout the United States.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Environmental Science Associatesesassoc.com HQ: San Francisco, CA, United StatesReported employees: 501-1,000 | San Francisco, CA, United States | 501-1,000 | Exact match | 730 contacts → |
“ESA is a 100% employee-owned environmental consulting firm.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Groundwater & Environmental Services, INCgesonline.com HQ: Wall Township, NJ, United StatesReported employees: 201-500 | Wall Township, NJ, United States | 201-500 | Exact match | 462 contacts → |
“We are Groundwater & Environmental Services, Inc, better known as GES.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Synergy Consulting, INCsynergyconsultingifa.com HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 433 contacts → |
“Synergy Consulting is Global Leader in Financial and Corporate Advisory.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | TRIOtrioadvisory.com HQ: Irvine, CA, United StatesReported employees: 201-500 | Irvine, CA, United States | 201-500 | Exact match | 387 contacts → |
“We are Trio – global energy and sustainability advisors.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | NUS Consulting Groupnusconsulting.com HQ: Park Ridge, NJ, United StatesReported employees: 201-500 | Park Ridge, NJ, United States | 201-500 | Exact match | 360 contacts → |
“National Utility Service, Inc.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Gainesville, FL, United StatesReported employees: 201-500 | Gainesville, FL, United States | 201-500 | Exact match | 330 contacts → |
“Environmental Consulting & Technology, Inc.(ECT) is a multi-disciplinary environmental and sustainability consulting firm delivering strategy, permitting, design, and management…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Cascade Energycascadeenergy.com HQ: Portland, OR, United StatesReported employees: 201-500 | Portland, OR, United States | 201-500 | Exact match | 301 contacts → |
“At Cascade Energy, we believe in better.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Ecology And Environment, INCwsp.com HQ: Lancaster, NY, United StatesReported employees: 5,001-10,000 | Lancaster, NY, United States | 5,001-10,000 | Exact match | 298 contacts → |
“E&E is now WSP USA.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Merjentmerjent.com HQ: Minneapolis, MN, United StatesReported employees: 201-500 | Minneapolis, MN, United States | 201-500 | Exact match | 297 contacts → |
“Merjent is an environmental, restoration, and engineering consulting firm with a long history serving the energy industry.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Climate Policy Initiativeclimatepolicyinitiative.org HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 297 contacts → |
“CPI is an analysis and advisory organization with deep expertise in finance and policy.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | PSC Consultingpscconsulting.com HQ: Kirkland, WA, United StatesReported employees: 201-500 | Kirkland, WA, United States | 201-500 | Exact match | 281 contacts → |
“We provide global renewable energy consulting services, focused on empowering clients to navigate the complexities of the energy transition.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Nova Group, GBCnovagroupgbc.com HQ: St. Louis Park, MN, United StatesReported employees: 201-500 | St. Louis Park, MN, United States | 201-500 | Exact match | 277 contacts → |
“Nova Group, GBC is an international, multidisciplinary advising firm providing environmental, engineering and energy services throughout North America and around the globe.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Kleinschmidt Associateskleinschmidtgroup.com HQ: Pittsfield, ME, United StatesReported employees: 201-500 | Pittsfield, ME, United States | 201-500 | Exact match | 236 contacts → |
“At Kleinschmidt, we work primarily with energy companies and government agencies in North America to protect and enhance the environment without compromising performance.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | APPLapplinc.com HQ: Clovis, CA, United StatesReported employees: Not recorded | Clovis, CA, United States | Not recorded | Exact match | 217 contacts → |
“Appl Inc is an environmental services company based out of 908 N Temperance Ave, Clovis, CA, United States.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | PEGpegenv.com HQ: Fairfax, VA, United StatesReported employees: 201-500 | Fairfax, VA, United States | 201-500 | Exact match | 216 contacts → |
“PEG presents a comprehensive capacity for the evaluation and understanding of a broad base of energy and environmental sustainability related programs, policies and initiatives.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Lindahl Reed INClindahlreed.com HQ: Bend, OR, United StatesReported employees: 201-500 | Bend, OR, United States | 201-500 | Exact match | 196 contacts → |
“Lindahl Reed empowers tomorrow by inspiring change and shaping a better future.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Normandeau Associates, INCnormandeau.com HQ: Bedford, NH, United StatesReported employees: 201-500 | Bedford, NH, United States | 201-500 | Exact match | 189 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 | Nexantresource-innovations.com HQ: Half Moon Bay, CA, United StatesReported employees: 201-500 | Half Moon Bay, CA, United States | 201-500 | Exact match | 189 contacts → |
“Resource Innovations now combined with Nexant is a substantially woman-owned, woman-led energy consulting firm dedicated to creating equal access to clean resources through…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Ecorp Consulting, INCecorpconsulting.com HQ: Rocklin, CA, United StatesReported employees: 51-200 | Rocklin, CA, United States | 51-200 | Exact match | 173 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | Keramida INCkeramida.com HQ: Indianapolis, IN, United StatesReported employees: 51-200 | Indianapolis, IN, United States | 51-200 | Exact match | 171 contacts → |
“Founded in 1988, KERAMIDA is a multidisciplinary Sustainability, EHS & Engineering consulting firm grounded in evidence-based research and development.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Tph&cotphco.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 168 contacts → |
“TPH & Co, the energy business of Perella Weinberg, provides strategic and financial advice to investors, management teams, boards of directors, government bodies, and other…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Industrial Economics, Incorporated IECindecon.com HQ: Cambridge, MA, United StatesReported employees: 51-200 | Cambridge, MA, United States | 51-200 | Exact match | 166 contacts → |
“IEc is an environmental consulting firm with four decades of experience providing consulting services to a diverse client base.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Terraphase Engineering INCterraphase.com HQ: Oakland, CA, United StatesReported employees: 201-500 | Oakland, CA, United States | 201-500 | Exact match | 164 contacts → |
“Terraphase offers cost-effective solutions to complex environmental and engineering challenges.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,708 company matches
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Clean energy policy consultants: dataset insights
October 9, 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
1,706 records in the displayed employee bands.
2 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 1,708 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 9, 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 policy consultants by metro
- Clean energy policy consultants in New York72
- Clean energy policy consultants in Washington69
- Clean energy policy consultants in Houston63
- Clean energy policy consultants in San Francisco38
- Clean energy policy consultants in Chicago37
- Clean energy policy consultants in Denver34
- Clean energy policy consultants in Los Angeles33
- Clean energy policy consultants in Austin31
- Clean energy policy consultants in Portland25
Questions about this company list
What does Exact match mean for clean energy policy consultants?
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 policy consultants did RevenueBase find based in the United States?
The saved snapshot records 1,708 matching company records, 22,747 tracked contacts and 10,655 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 9, 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 policy consultants by geography
- Clean energy policy consultants based in Buenos Aires, Argentina
- Clean energy policy consultants based in Brisbane, Australia
- Clean energy policy consultants based in Melbourne, Australia
- Clean energy policy consultants based in Perth, Australia
- Clean energy policy consultants based in Sydney, Australia
- Clean energy policy consultants based in Belo Horizonte, Brazil
- Clean energy policy consultants based in Curitiba, Brazil
- Clean energy policy consultants based in Porto Alegre, Brazil
- Clean energy policy consultants based in Rio De Janeiro, Brazil
- Clean energy policy consultants based in Sao Paulo, Brazil
- Clean energy policy consultants based in Calgary, Canada
- Clean energy policy consultants based in Toronto, Canada
Cite this list
RevenueBase Data Team. Top 25 clean energy policy consultants based in the United States. Snapshot: October 9, 2026. https://revenuebase.ai/companies/clean-energy-policy-consultants/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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- Clean energy policy consultants based in Sydney, Australia
- Clean energy policy consultants based in Belo Horizonte, Brazil