Company lists · Data refreshed November 2026
Top 25 Decarbonization consultants based in the United States
RevenueBase identified 3,071 company matches for decarbonization consultants associated with the United States as of November 2026 and tracks 93,693 professional contacts across them, including 43,764 with verified work emails. Houston is the largest hub.
This list covers company matches for decarbonization 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 November 6, 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 decarbonization consultants based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 4,591 contacts → | ||||
Exact match “Sargent & Lundy is one of the world’s longest-standing full-service architect engineering firms.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 2,347 contacts → | ||||
Exact match “We're a national construction and energy services company dedicated to innovating the waste and climate harm out of the built environment.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 2,264 contacts → | ||||
Exact match “CLEAResult is the largest provider of energy efficiency, energy transition and energy sustainability services in North America.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 2,110 contacts → | ||||
Exact match “Salas O’Brien is an employee-owned engineering, science, and technical services firm focused on advancing the human experience through the built environment.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 1,570 contacts → | ||||
Exact match “Ameresco, Inc.(NYSE:AMRC) is a leading energy infrastructure company delivering integrated solutions to create reliable power and modernize infrastructure.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 1,257 contacts → | ||||
Exact match “At GE Digital, our focus is clear: delivering software that accelerates a new era of energy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 1,180 contacts → | ||||
Exact match “California Resources Corporation (CRC) is an independent energy and carbon management company committed to energy transition.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 1,164 contacts → | ||||
Exact match “OLA Sustainability, LLC OLA Sustainability is a consulting firm that focuses on integrating sustainable practices into commercial and multifamily design projects.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 897 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 857 contacts → | ||||
Exact match “Consult Engineer Commission At Syska Hennessy Group, we create exceptional environments.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 815 contacts → | ||||
Exact match “Our mission is simple - to combat climate change through market-based, cost-effective energy, carbon, and water management solutions that make big impacts.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 793 contacts → | ||||
Exact match “Resource Innovations (RI) is an energy transformation firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 589 contacts → | ||||
Exact match “Watershed is the enterprise sustainability platform.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 566 contacts → | ||||
Exact match “Organizations come to ACT when a climate target, regulatory requirement, or emissions challenge needs a solution.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 413 contacts → | ||||
Exact match “Veregy is an award-winning NAESCO-Accredited decarbonization company focusing on accelerating and simplifying the Energy Transition.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 393 contacts → | ||||
Exact match “We are Trio – global energy and sustainability advisors.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 379 contacts → | ||||
Exact match “P2S has brought forward-thinking, sustainable engineering solutions to the West Coast and beyond for over 35 years.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 355 contacts → | ||||
Exact match “Customized Energy Solutions is at the forefront of competitive energy markets.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 344 contacts → | ||||
Exact match “For 40 years, VEIC has helped energy leaders nationwide meet their clean energy goals.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 335 contacts → | ||||
Exact match “ECT delivers environmental solutions for essential infrastructure.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 317 contacts → | ||||
Exact match “3Degrees is a leading global climate solutions provider, pioneer of environmental markets, and Certified B Corporation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 304 contacts → | ||||
Exact match “At Cascade Energy, we believe in better.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 298 contacts → | ||||
Exact match “We act as an extension of your team, combining deep energy expertise with seamless alignment to your processes to advance projects with confidence.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 282 contacts → | ||||
Exact match “The world runs on power.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 275 contacts → | ||||
Exact match “Mosaic is a consulting firm that delivers custom solutions across the energy, utility, grid operations, and grid modernization space.” Recorded in the RevenueBase company graph · Nov 6, 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 “decarbonization 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 3,071 decarbonization consultants based in the United States
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Decarbonization consultants based in the United States at a glance
As of Nov 6, 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 3,071 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 “decarbonization 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 43,764 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 November 6, 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.
Decarbonization consultants by metro
- Decarbonization consultants in Houston192
- Decarbonization consultants in New York191
- Decarbonization consultants in San Francisco71
- Decarbonization consultants in Washington67
- Decarbonization consultants in Chicago61
- Decarbonization consultants in Austin58
- Decarbonization consultants in Denver58
- Decarbonization consultants in Los Angeles49
- Decarbonization consultants in Boston43
- Decarbonization consultants in Seattle41
- Decarbonization consultants in Atlanta37
- Decarbonization consultants in Portland35
- Decarbonization consultants in Dallas34
- Decarbonization consultants in San Diego26
- Decarbonization consultants in Miami25
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 “decarbonization consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many decarbonization consultants are there based in the United States?
RevenueBase identified 3,071 company matches for decarbonization consultants associated with the United States as of November 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?
Sargent & Lundy tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most decarbonization consultants?
Houston leads with 192 company records, followed by New York (191) and San Francisco (71).
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 43,764 professional contacts with verified work emails tracked across these 3,071 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 November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 3,071 decarbonization consultants based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Decarbonization consultants by geography
- Decarbonization consultants based in Buenos Aires, Argentina
- Decarbonization consultants based in Brisbane, Australia
- Decarbonization consultants based in Melbourne, Australia
- Decarbonization consultants based in Perth, Australia
- Decarbonization consultants based in Sydney, Australia
- Decarbonization consultants based in Vienna, Austria
- Decarbonization consultants based in Brussels, Belgium
- Decarbonization consultants based in Belo Horizonte, Brazil
- Decarbonization consultants based in Curitiba, Brazil
- Decarbonization consultants based in Porto Alegre, Brazil
- Decarbonization consultants based in Rio De Janeiro, Brazil
- Decarbonization consultants based in Sao Paulo, Brazil
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
- Decarbonization consultants based in Buenos Aires, Argentina
- Decarbonization consultants based in Brisbane, Australia
- Decarbonization consultants based in Melbourne, Australia
- Decarbonization consultants based in Perth, Australia
- Decarbonization consultants based in Sydney, Australia
- Decarbonization consultants based in Vienna, Austria
Company intelligence · public preview
Top 25 decarbonization 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 3,071 matching company records for decarbonization consultants based in the United States, with 93,693 tracked contacts and 43,764 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: November 6, 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 decarbonization 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 |  Sargent & Lundysargentlundy.comHQ: Chicago, NJ, United StatesReported employees: 1,001-5,000 | Chicago, NJ, United States | 1,001-5,000 | Exact match | 4,591 contacts → |
“Sargent & Lundy is one of the world’s longest-standing full-service architect engineering firms.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Mckinstrymckinstry.comHQ: Seattle, WA, United StatesReported employees: 1,001-5,000 | Seattle, WA, United States | 1,001-5,000 | Exact match | 2,347 contacts → |
“We're a national construction and energy services company dedicated to innovating the waste and climate harm out of the built environment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Clearesultclearesult.comHQ: Austin, TX, United StatesReported employees: 1,001-5,000 | Austin, TX, United States | 1,001-5,000 | Exact match | 2,264 contacts → |
“CLEAResult is the largest provider of energy efficiency, energy transition and energy sustainability services in North America.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Salas O'briensalasobrien.comHQ: Irvine, CA, United StatesReported employees: 1,001-5,000 | Irvine, CA, United States | 1,001-5,000 | Exact match | 2,110 contacts → |
“Salas O’Brien is an employee-owned engineering, science, and technical services firm focused on advancing the human experience through the built environment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Amerescoameresco.comHQ: Framingham, MA, United StatesReported employees: 1,001-5,000 | Framingham, MA, United States | 1,001-5,000 | Exact match | 1,570 contacts → |
“Ameresco, Inc.(NYSE:AMRC) is a leading energy infrastructure company delivering integrated solutions to create reliable power and modernize infrastructure.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  GE Digitalge.comHQ: San Ramon, CA, United StatesReported employees: 1,001-5,000 | San Ramon, CA, United States | 1,001-5,000 | Exact match | 1,257 contacts → |
“At GE Digital, our focus is clear: delivering software that accelerates a new era of energy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Los Angeles, CA, United StatesReported employees: 1,001-5,000 | Los Angeles, CA, United States | 1,001-5,000 | Exact match | 1,180 contacts → |
“California Resources Corporation (CRC) is an independent energy and carbon management company committed to energy transition.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  OLAola-austin.comHQ: Austin, TX, United StatesReported employees: Not recorded | Austin, TX, United States | Not recorded | Exact match | 1,164 contacts → |
“OLA Sustainability, LLC OLA Sustainability is a consulting firm that focuses on integrating sustainable practices into commercial and multifamily design projects.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Willdanwilldan.comHQ: Anaheim, CA, United StatesReported employees: 1,001-5,000 | Anaheim, CA, United States | 1,001-5,000 | Exact match | 897 contacts → |
“Willdan (NASDAQ: WLDN) provides professional consulting and technical services to utilities, public agencies and private industry throughout the United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Syska Hennessy Groupsyska.comHQ: Raleigh, NC, United StatesReported employees: 501-1,000 | Raleigh, NC, United States | 501-1,000 | Exact match | 857 contacts → |
“Consult Engineer Commission At Syska Hennessy Group, we create exceptional environments.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Energy Solutionsenergy-solution.comHQ: Oakland, CA, United StatesReported employees: 201-500 | Oakland, CA, United States | 201-500 | Exact match | 815 contacts → |
“Our mission is simple - to combat climate change through market-based, cost-effective energy, carbon, and water management solutions that make big impacts.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Resource Innovationsresource-innovations.comHQ: Half Moon Bay, OR, United StatesReported employees: 501-1,000 | Half Moon Bay, OR, United States | 501-1,000 | Exact match | 793 contacts → |
“Resource Innovations (RI) is an energy transformation firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Watershedwatershed.comHQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 589 contacts → |
“Watershed is the enterprise sustainability platform.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  ACT Groupbrnw.chHQ: Amsterdam, NY, United StatesReported employees: 501-1,000 | Amsterdam, NY, United States | 501-1,000 | Exact match | 566 contacts → |
“Organizations come to ACT when a climate target, regulatory requirement, or emissions challenge needs a solution.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Veregyveregy.comHQ: Phoenix, AZ, United StatesReported employees: 501-1,000 | Phoenix, AZ, United States | 501-1,000 | Exact match | 413 contacts → |
“Veregy is an award-winning NAESCO-Accredited decarbonization company focusing on accelerating and simplifying the Energy Transition.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  TRIOtrioadvisory.comHQ: Irvine, MA, United StatesReported employees: 201-500 | Irvine, MA, United States | 201-500 | Exact match | 393 contacts → |
“We are Trio – global energy and sustainability advisors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  P2sp2sinc.comHQ: Long Beach, CA, United StatesReported employees: 201-500 | Long Beach, CA, United States | 201-500 | Exact match | 379 contacts → |
“P2S has brought forward-thinking, sustainable engineering solutions to the West Coast and beyond for over 35 years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Customized Energy Solutionsces-ltd.comHQ: Philadelphia, PA, United StatesReported employees: 201-500 | Philadelphia, PA, United States | 201-500 | Exact match | 355 contacts → |
“Customized Energy Solutions is at the forefront of competitive energy markets.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  VEICveic.orgHQ: Winooski, DC, United StatesReported employees: 201-500 | Winooski, DC, United States | 201-500 | Exact match | 344 contacts → |
“For 40 years, VEIC has helped energy leaders nationwide meet their clean energy goals.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Gainesville, FL, United StatesReported employees: 201-500 | Gainesville, FL, United States | 201-500 | Exact match | 335 contacts → |
“ECT delivers environmental solutions for essential infrastructure.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  3degrees Group, INC3degrees.comHQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 317 contacts → |
“3Degrees is a leading global climate solutions provider, pioneer of environmental markets, and Certified B Corporation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Cascade Energycascadeenergy.comHQ: Portland, OR, United StatesReported employees: 201-500 | Portland, OR, United States | 201-500 | Exact match | 304 contacts → |
“At Cascade Energy, we believe in better.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Lake Superior Consultinglsconsulting.comHQ: Duluth, MN, United StatesReported employees: 201-500 | Duluth, MN, United States | 201-500 | Exact match | 298 contacts → |
“We act as an extension of your team, combining deep energy expertise with seamless alignment to your processes to advance projects with confidence.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Illumine-Iilluminei.comHQ: Austin, TX, United StatesReported employees: 201-500 | Austin, TX, United States | 201-500 | Exact match | 282 contacts → |
“The world runs on power.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Mosaicthemosaiccompany.comHQ: Renton, WA, United StatesReported employees: 201-500 | Renton, WA, United States | 201-500 | Exact match | 275 contacts → |
“Mosaic is a consulting firm that delivers custom solutions across the energy, utility, grid operations, and grid modernization space.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,071 company matches
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Decarbonization consultants: dataset insights
November 6, 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
3,066 records in the displayed employee bands.
5 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 3,071 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: November 6, 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 ↗
Decarbonization consultants by metro
- Decarbonization consultants in Houston192
- Decarbonization consultants in New York191
- Decarbonization consultants in San Francisco71
- Decarbonization consultants in Washington67
- Decarbonization consultants in Chicago61
- Decarbonization consultants in Austin58
- Decarbonization consultants in Denver58
- Decarbonization consultants in Los Angeles49
- Decarbonization consultants in Boston43
- Decarbonization consultants in Seattle41
- Decarbonization consultants in Atlanta37
- Decarbonization consultants in Portland35
- Decarbonization consultants in Dallas34
- Decarbonization consultants in San Diego26
- Decarbonization consultants in Miami25
Questions about this company list
What does Exact match mean for decarbonization 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 decarbonization consultants did RevenueBase find based in the United States?
The saved snapshot records 3,071 matching company records, 93,693 tracked contacts and 43,764 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: November 6, 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
Decarbonization consultants by geography
- Decarbonization consultants based in Buenos Aires, Argentina
- Decarbonization consultants based in Brisbane, Australia
- Decarbonization consultants based in Melbourne, Australia
- Decarbonization consultants based in Perth, Australia
- Decarbonization consultants based in Sydney, Australia
- Decarbonization consultants based in Vienna, Austria
- Decarbonization consultants based in Brussels, Belgium
- Decarbonization consultants based in Belo Horizonte, Brazil
- Decarbonization consultants based in Curitiba, Brazil
- Decarbonization consultants based in Porto Alegre, Brazil
- Decarbonization consultants based in Rio De Janeiro, Brazil
- Decarbonization consultants based in Sao Paulo, Brazil
Cite this list
RevenueBase Data Team. Top 25 decarbonization consultants based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/decarbonization-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
- Decarbonization consultants based in Buenos Aires, Argentina
- Decarbonization consultants based in Brisbane, Australia
- Decarbonization consultants based in Melbourne, Australia
- Decarbonization consultants based in Perth, Australia
- Decarbonization consultants based in Sydney, Australia
- Decarbonization consultants based in Vienna, Austria
Company intelligence · public preview
Top 25 decarbonization consultants based in the United States
RevenueBase records 3,071 matching company records for decarbonization consultants based in the United States, with 93,693 tracked contacts and 43,764 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: November 6, 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 decarbonization 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 | Sargent & Lundysargentlundy.com HQ: Chicago, NJ, United StatesReported employees: 1,001-5,000 | Chicago, NJ, United States | 1,001-5,000 | Exact match | 4,591 contacts → |
“Sargent & Lundy is one of the world’s longest-standing full-service architect engineering firms.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Mckinstrymckinstry.com HQ: Seattle, WA, United StatesReported employees: 1,001-5,000 | Seattle, WA, United States | 1,001-5,000 | Exact match | 2,347 contacts → |
“We're a national construction and energy services company dedicated to innovating the waste and climate harm out of the built environment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Clearesultclearesult.com HQ: Austin, TX, United StatesReported employees: 1,001-5,000 | Austin, TX, United States | 1,001-5,000 | Exact match | 2,264 contacts → |
“CLEAResult is the largest provider of energy efficiency, energy transition and energy sustainability services in North America.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Salas O'briensalasobrien.com HQ: Irvine, CA, United StatesReported employees: 1,001-5,000 | Irvine, CA, United States | 1,001-5,000 | Exact match | 2,110 contacts → |
“Salas O’Brien is an employee-owned engineering, science, and technical services firm focused on advancing the human experience through the built environment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Amerescoameresco.com HQ: Framingham, MA, United StatesReported employees: 1,001-5,000 | Framingham, MA, United States | 1,001-5,000 | Exact match | 1,570 contacts → |
“Ameresco, Inc.(NYSE:AMRC) is a leading energy infrastructure company delivering integrated solutions to create reliable power and modernize infrastructure.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | GE Digitalge.com HQ: San Ramon, CA, United StatesReported employees: 1,001-5,000 | San Ramon, CA, United States | 1,001-5,000 | Exact match | 1,257 contacts → |
“At GE Digital, our focus is clear: delivering software that accelerates a new era of energy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Los Angeles, CA, United StatesReported employees: 1,001-5,000 | Los Angeles, CA, United States | 1,001-5,000 | Exact match | 1,180 contacts → |
“California Resources Corporation (CRC) is an independent energy and carbon management company committed to energy transition.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | OLAola-austin.com HQ: Austin, TX, United StatesReported employees: Not recorded | Austin, TX, United States | Not recorded | Exact match | 1,164 contacts → |
“OLA Sustainability, LLC OLA Sustainability is a consulting firm that focuses on integrating sustainable practices into commercial and multifamily design projects.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Willdanwilldan.com HQ: Anaheim, CA, United StatesReported employees: 1,001-5,000 | Anaheim, CA, United States | 1,001-5,000 | Exact match | 897 contacts → |
“Willdan (NASDAQ: WLDN) provides professional consulting and technical services to utilities, public agencies and private industry throughout the United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Syska Hennessy Groupsyska.com HQ: Raleigh, NC, United StatesReported employees: 501-1,000 | Raleigh, NC, United States | 501-1,000 | Exact match | 857 contacts → |
“Consult Engineer Commission At Syska Hennessy Group, we create exceptional environments.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Energy Solutionsenergy-solution.com HQ: Oakland, CA, United StatesReported employees: 201-500 | Oakland, CA, United States | 201-500 | Exact match | 815 contacts → |
“Our mission is simple - to combat climate change through market-based, cost-effective energy, carbon, and water management solutions that make big impacts.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Resource Innovationsresource-innovations.com HQ: Half Moon Bay, OR, United StatesReported employees: 501-1,000 | Half Moon Bay, OR, United States | 501-1,000 | Exact match | 793 contacts → |
“Resource Innovations (RI) is an energy transformation firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Watershedwatershed.com HQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 589 contacts → |
“Watershed is the enterprise sustainability platform.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | ACT Groupbrnw.ch HQ: Amsterdam, NY, United StatesReported employees: 501-1,000 | Amsterdam, NY, United States | 501-1,000 | Exact match | 566 contacts → |
“Organizations come to ACT when a climate target, regulatory requirement, or emissions challenge needs a solution.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Veregyveregy.com HQ: Phoenix, AZ, United StatesReported employees: 501-1,000 | Phoenix, AZ, United States | 501-1,000 | Exact match | 413 contacts → |
“Veregy is an award-winning NAESCO-Accredited decarbonization company focusing on accelerating and simplifying the Energy Transition.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | TRIOtrioadvisory.com HQ: Irvine, MA, United StatesReported employees: 201-500 | Irvine, MA, United States | 201-500 | Exact match | 393 contacts → |
“We are Trio – global energy and sustainability advisors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | P2sp2sinc.com HQ: Long Beach, CA, United StatesReported employees: 201-500 | Long Beach, CA, United States | 201-500 | Exact match | 379 contacts → |
“P2S has brought forward-thinking, sustainable engineering solutions to the West Coast and beyond for over 35 years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Customized Energy Solutionsces-ltd.com HQ: Philadelphia, PA, United StatesReported employees: 201-500 | Philadelphia, PA, United States | 201-500 | Exact match | 355 contacts → |
“Customized Energy Solutions is at the forefront of competitive energy markets.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | VEICveic.org HQ: Winooski, DC, United StatesReported employees: 201-500 | Winooski, DC, United States | 201-500 | Exact match | 344 contacts → |
“For 40 years, VEIC has helped energy leaders nationwide meet their clean energy goals.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Gainesville, FL, United StatesReported employees: 201-500 | Gainesville, FL, United States | 201-500 | Exact match | 335 contacts → |
“ECT delivers environmental solutions for essential infrastructure.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | 3degrees Group, INC3degrees.com HQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 317 contacts → |
“3Degrees is a leading global climate solutions provider, pioneer of environmental markets, and Certified B Corporation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Cascade Energycascadeenergy.com HQ: Portland, OR, United StatesReported employees: 201-500 | Portland, OR, United States | 201-500 | Exact match | 304 contacts → |
“At Cascade Energy, we believe in better.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Lake Superior Consultinglsconsulting.com HQ: Duluth, MN, United StatesReported employees: 201-500 | Duluth, MN, United States | 201-500 | Exact match | 298 contacts → |
“We act as an extension of your team, combining deep energy expertise with seamless alignment to your processes to advance projects with confidence.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Illumine-Iilluminei.com HQ: Austin, TX, United StatesReported employees: 201-500 | Austin, TX, United States | 201-500 | Exact match | 282 contacts → |
“The world runs on power.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Mosaicthemosaiccompany.com HQ: Renton, WA, United StatesReported employees: 201-500 | Renton, WA, United States | 201-500 | Exact match | 275 contacts → |
“Mosaic is a consulting firm that delivers custom solutions across the energy, utility, grid operations, and grid modernization space.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,071 company matches
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Decarbonization consultants: dataset insights
November 6, 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
3,066 records in the displayed employee bands.
5 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 3,071 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: November 6, 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 ↗
Decarbonization consultants by metro
- Decarbonization consultants in Houston192
- Decarbonization consultants in New York191
- Decarbonization consultants in San Francisco71
- Decarbonization consultants in Washington67
- Decarbonization consultants in Chicago61
- Decarbonization consultants in Austin58
- Decarbonization consultants in Denver58
- Decarbonization consultants in Los Angeles49
- Decarbonization consultants in Boston43
- Decarbonization consultants in Seattle41
- Decarbonization consultants in Atlanta37
- Decarbonization consultants in Portland35
- Decarbonization consultants in Dallas34
- Decarbonization consultants in San Diego26
- Decarbonization consultants in Miami25
Questions about this company list
What does Exact match mean for decarbonization 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 decarbonization consultants did RevenueBase find based in the United States?
The saved snapshot records 3,071 matching company records, 93,693 tracked contacts and 43,764 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: November 6, 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
Decarbonization consultants by geography
- Decarbonization consultants based in Buenos Aires, Argentina
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- Decarbonization consultants based in Sydney, Australia
- Decarbonization consultants based in Vienna, Austria
- Decarbonization consultants based in Brussels, Belgium
- Decarbonization consultants based in Belo Horizonte, Brazil
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Cite this list
RevenueBase Data Team. Top 25 decarbonization consultants based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/decarbonization-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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