Company lists · Data refreshed September 2026
Top 25 Carbon consultants based in the United States
RevenueBase identified 1,092 company matches for carbon consultants associated with the United States as of September 2026 and tracks 12,577 professional contacts across them, including 4,345 with verified work emails. New York is the largest hub.
This list covers company matches for carbon 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 September 21, 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 carbon consultants based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,304 contacts → | ||||
Exact match “ADEC Innovations seamlessly delivers fully integrated, cost-effective industry expertise, business process & data management, and software services.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 2 | 1,145 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 3 | 529 contacts → | ||||
Exact match “Watershed is the enterprise sustainability platform.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 4 | 383 contacts → | ||||
Exact match “We are Trio – built from Edison Energy, Alfa Energy, and Altenex Energy.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 5 | 336 contacts → | ||||
Exact match “National Utility Service, Inc.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 6 | 288 contacts → | ||||
Exact match “At Cascade Energy, we believe in better.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 7 | 278 contacts → | ||||
Exact match “E&E is now WSP USA.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 8 | 214 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 9 | 156 contacts → | ||||
Exact match “Energy.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 10 | 152 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 11 | 147 contacts → | ||||
Exact match “Quest Resource Management Group, a subsidiary of Quest Resource Holding Corporation (Nasdaq: QRHC), is a full-service environmental consulting and management company headquartered…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 12 | 141 contacts → | ||||
Exact match “Stok leads organizations to decarbonize now.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 13 | 134 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 14 | 133 contacts → | ||||
Exact match “At OnePointFive we solve your sustainability focused business challenges by empowering your organization with expert-led solutions, embedded training, and cutting edge tools to…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 15 | 124 contacts → | ||||
Exact match “RE Tech Advisors, a Legence Company, offers an integrated suite of solutions designed to drive building performance, decrease costs, and overcome any project challenge.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 16 | 121 contacts → | ||||
Exact match “Michaels Energy is a veteran-owned energy consulting firm that exists to help businesses minimize waste and maximize value.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 17 | 110 contacts → | ||||
Exact match “Cascadia Consulting Group is a majority women-owned consulting firm specializing in environmental and sustainability solutions.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 18 | 109 contacts → | ||||
Exact match “EcoEngineers, an LRQA company, is a consulting, auditing, and advisory firm with an exclusive focus on the energy transition and decarbonization.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 19 | 104 contacts → | ||||
Exact match “Established in 1983, TechLaw provides environmental and management consulting services to the public sector nationwide.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 20 | 102 contacts → | ||||
Exact match “Founded in 1993, Citadel EHS provides comprehensive environmental, health, safety, and sustainability consulting solutions to meet the needs of both the public and private sectors.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 21 | 97 contacts → | ||||
Exact match “In 1998, I started kW Engineering as a two-person firm with a singular vision: to become the leading technical experts at saving money in buildings by saving energy and water.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 22 | 96 contacts → | ||||
Exact match “We are environmental consultants and redevelopment experts who are proud to help build sustainable communities.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 23 | 96 contacts → | ||||
Exact match “Fortera is a pioneering green cement manufacturer with production in Redding, California.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 24 | 96 contacts → | ||||
Exact match “ClimeCo is an award-winning leader in decarbonization, empowering global organizations with customized sustainability pathways.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 25 | 89 contacts → | ||||
Exact match “Verdani Partners is a full service sustainability consulting firm specialized in corporate sustainability, LEED certification and greening and retrofitting existing buildings.” Recorded in the RevenueBase company graph · Sep 21, 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 “carbon 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 1,092 carbon consultants based in the United States
See the full list, filter by size, metro and specialty, and access 4,345 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Carbon consultants based in the United States at a glance
As of Sep 21, 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 1,092 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 “carbon 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 4,345 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 21, 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.
Carbon consultants by metro
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 “carbon consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many carbon consultants are there based in the United States?
RevenueBase identified 1,092 company matches for carbon consultants associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Adec Innovations tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most carbon consultants?
New York leads with 80 company records, followed by Chicago (39) and Houston (35).
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 4,345 professional contacts with verified work emails tracked across these 1,092 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,092 carbon consultants based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Carbon consultants by geography
- Carbon consultants based in Melbourne, Australia
- Carbon consultants based in Perth, Australia
- Carbon consultants based in Sydney, Australia
- Carbon consultants based in Belo Horizonte, Brazil
- Carbon consultants based in Curitiba, Brazil
- Carbon consultants based in Porto Alegre, Brazil
- Carbon consultants based in Rio De Janeiro, Brazil
- Carbon consultants based in Sao Paulo, Brazil
- Carbon consultants based in Calgary, Canada
- Carbon consultants based in Toronto, Canada
- Carbon consultants based in Vancouver, Canada
- Carbon consultants based in Mumbai, India
Browse the directory
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
- Carbon consultants based in Melbourne, Australia
- Carbon consultants based in Perth, Australia
- Carbon consultants based in Sydney, Australia
- Carbon consultants based in Belo Horizonte, Brazil
- Carbon consultants based in Curitiba, Brazil
- Carbon consultants based in Porto Alegre, Brazil
Company intelligence · public preview
Top 25 carbon 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 1,092 matching company records for carbon consultants based in the United States, with 12,577 tracked contacts and 4,345 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 21, 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 carbon 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 |  Adec Innovationsadec-innovations.comHQ: Irvine, CA, United StatesReported employees: 1,001-5,000 | Irvine, CA, United States | 1,001-5,000 | Exact match | 1,304 contacts → |
“ADEC Innovations seamlessly delivers fully integrated, cost-effective industry expertise, business process & data management, and software services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  OLAola-austin.comHQ: Austin, TX, United StatesReported employees: Not recorded | Austin, TX, United States | Not recorded | Exact match | 1,145 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Watershedwatershed.comHQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 529 contacts → |
“Watershed is the enterprise sustainability platform.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  TRIOtrioadvisory.comHQ: Irvine, CA, United StatesReported employees: 201-500 | Irvine, CA, United States | 201-500 | Exact match | 383 contacts → |
“We are Trio – built from Edison Energy, Alfa Energy, and Altenex Energy.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  NUS Consulting Groupnusconsulting.comHQ: Park Ridge, NJ, United StatesReported employees: 201-500 | Park Ridge, NJ, United States | 201-500 | Exact match | 336 contacts → |
“National Utility Service, Inc.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Cascade Energycascadeenergy.comHQ: Portland, OR, United StatesReported employees: 201-500 | Portland, OR, United States | 201-500 | Exact match | 288 contacts → |
“At Cascade Energy, we believe in better.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Ecology And Environment, INCwsp.comHQ: Lancaster, NY, United StatesReported employees: 5,001-10,000 | Lancaster, NY, United States | 5,001-10,000 | Exact match | 278 contacts → |
“E&E is now WSP USA.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  PEGpegenv.comHQ: Fairfax, VA, United StatesReported employees: 201-500 | Fairfax, VA, United States | 201-500 | Exact match | 214 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Energy And Environmental Economics, INCethree.comHQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 156 contacts → |
“Energy.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Keramida INCkeramida.comHQ: Indianapolis, IN, United StatesReported employees: 51-200 | Indianapolis, IN, United States | 51-200 | Exact match | 152 contacts → |
“Founded in 1988, KERAMIDA is a multidisciplinary Sustainability, EHS & Engineering consulting firm grounded in evidence-based research and development.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: The Colony, TX, United StatesReported employees: 51-200 | The Colony, TX, United States | 51-200 | Exact match | 147 contacts → |
“Quest Resource Management Group, a subsidiary of Quest Resource Holding Corporation (Nasdaq: QRHC), is a full-service environmental consulting and management company headquartered…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  STOKstok.comHQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 141 contacts → |
“Stok leads organizations to decarbonize now.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Four Seasons Environmental, INCfseinc.netHQ: Monroe, OH, United StatesReported employees: 201-500 | Monroe, OH, United States | 201-500 | Exact match | 134 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 |  Onepointfive Opf.Degreeopf.degreeHQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 133 contacts → |
“At OnePointFive we solve your sustainability focused business challenges by empowering your organization with expert-led solutions, embedded training, and cutting edge tools to…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  RE Tech Advisorsretechadvisors.comHQ: Mclean, VA, United StatesReported employees: 51-200 | Mclean, VA, United States | 51-200 | Exact match | 124 contacts → |
“RE Tech Advisors, a Legence Company, offers an integrated suite of solutions designed to drive building performance, decrease costs, and overcome any project challenge.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Michaels Energy- An Inc. 5000 Companymichaelsenergy.comHQ: La Crosse, WI, United StatesReported employees: 51-200 | La Crosse, WI, United States | 51-200 | Exact match | 121 contacts → |
“Michaels Energy is a veteran-owned energy consulting firm that exists to help businesses minimize waste and maximize value.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Cascadia Consulting Groupcascadiaconsulting.comHQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 110 contacts → |
“Cascadia Consulting Group is a majority women-owned consulting firm specializing in environmental and sustainability solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Ecoengineersecoengineers.usHQ: Des Moines, IA, United StatesReported employees: 51-200 | Des Moines, IA, United States | 51-200 | Exact match | 109 contacts → |
“EcoEngineers, an LRQA company, is a consulting, auditing, and advisory firm with an exclusive focus on the energy transition and decarbonization.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Techlawtechlawinc.comHQ: Chantilly, VA, United StatesReported employees: 201-500 | Chantilly, VA, United States | 201-500 | Exact match | 104 contacts → |
“Established in 1983, TechLaw provides environmental and management consulting services to the public sector nationwide.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Citadel EHScitadelehs.comHQ: Glendale, CA, United StatesReported employees: 51-200 | Glendale, CA, United States | 51-200 | Exact match | 102 contacts → |
“Founded in 1993, Citadel EHS provides comprehensive environmental, health, safety, and sustainability consulting solutions to meet the needs of both the public and private sectors.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  KW Engineeringkw-engineering.comHQ: Oakland, CA, United StatesReported employees: 51-200 | Oakland, CA, United States | 51-200 | Exact match | 97 contacts → |
“In 1998, I started kW Engineering as a two-person firm with a singular vision: to become the leading technical experts at saving money in buildings by saving energy and water.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  AKT Peerlessaktpeerless.comHQ: Saginaw, MI, United StatesReported employees: 51-200 | Saginaw, MI, United States | 51-200 | Exact match | 96 contacts → |
“We are environmental consultants and redevelopment experts who are proud to help build sustainable communities.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Forteraforteraglobal.com HQ: San Jose, CA, United StatesReported employees: 51-200 | San Jose, CA, United States | 51-200 | Exact match | 96 contacts → |
“Fortera is a pioneering green cement manufacturer with production in Redding, California.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Climecoclimeco.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 96 contacts → |
“ClimeCo is an award-winning leader in decarbonization, empowering global organizations with customized sustainability pathways.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Verdani Partnersverdani.comHQ: Carlsbad, CA, United StatesReported employees: 51-200 | Carlsbad, CA, United States | 51-200 | Exact match | 89 contacts → |
“Verdani Partners is a full service sustainability consulting firm specialized in corporate sustainability, LEED certification and greening and retrofitting existing buildings.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,092 company matches
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Carbon consultants: dataset insights
September 21, 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
1,092 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,092 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 21, 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 ↗
Carbon consultants by metro
Questions about this company list
What does Exact match mean for carbon 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 carbon consultants did RevenueBase find based in the United States?
The saved snapshot records 1,092 matching company records, 12,577 tracked contacts and 4,345 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 21, 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
Carbon consultants by geography
- Carbon consultants based in Melbourne, Australia
- Carbon consultants based in Perth, Australia
- Carbon consultants based in Sydney, Australia
- Carbon consultants based in Belo Horizonte, Brazil
- Carbon consultants based in Curitiba, Brazil
- Carbon consultants based in Porto Alegre, Brazil
- Carbon consultants based in Rio De Janeiro, Brazil
- Carbon consultants based in Sao Paulo, Brazil
- Carbon consultants based in Calgary, Canada
- Carbon consultants based in Toronto, Canada
- Carbon consultants based in Vancouver, Canada
- Carbon consultants based in Mumbai, India
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 carbon consultants based in the United States. Snapshot: September 21, 2026. https://revenuebase.ai/companies/carbon-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
- Carbon consultants based in Melbourne, Australia
- Carbon consultants based in Perth, Australia
- Carbon consultants based in Sydney, Australia
- Carbon consultants based in Belo Horizonte, Brazil
- Carbon consultants based in Curitiba, Brazil
- Carbon consultants based in Porto Alegre, Brazil
Company intelligence · public preview
Top 25 carbon consultants based in the United States
RevenueBase records 1,092 matching company records for carbon consultants based in the United States, with 12,577 tracked contacts and 4,345 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 21, 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 carbon 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 | Adec Innovationsadec-innovations.com HQ: Irvine, CA, United StatesReported employees: 1,001-5,000 | Irvine, CA, United States | 1,001-5,000 | Exact match | 1,304 contacts → |
“ADEC Innovations seamlessly delivers fully integrated, cost-effective industry expertise, business process & data management, and software services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | OLAola-austin.com HQ: Austin, TX, United StatesReported employees: Not recorded | Austin, TX, United States | Not recorded | Exact match | 1,145 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Watershedwatershed.com HQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 529 contacts → |
“Watershed is the enterprise sustainability platform.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | TRIOtrioadvisory.com HQ: Irvine, CA, United StatesReported employees: 201-500 | Irvine, CA, United States | 201-500 | Exact match | 383 contacts → |
“We are Trio – built from Edison Energy, Alfa Energy, and Altenex Energy.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | NUS Consulting Groupnusconsulting.com HQ: Park Ridge, NJ, United StatesReported employees: 201-500 | Park Ridge, NJ, United States | 201-500 | Exact match | 336 contacts → |
“National Utility Service, Inc.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Cascade Energycascadeenergy.com HQ: Portland, OR, United StatesReported employees: 201-500 | Portland, OR, United States | 201-500 | Exact match | 288 contacts → |
“At Cascade Energy, we believe in better.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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 | 278 contacts → |
“E&E is now WSP USA.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | PEGpegenv.com HQ: Fairfax, VA, United StatesReported employees: 201-500 | Fairfax, VA, United States | 201-500 | Exact match | 214 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Energy And Environmental Economics, INCethree.com HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 156 contacts → |
“Energy.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Keramida INCkeramida.com HQ: Indianapolis, IN, United StatesReported employees: 51-200 | Indianapolis, IN, United States | 51-200 | Exact match | 152 contacts → |
“Founded in 1988, KERAMIDA is a multidisciplinary Sustainability, EHS & Engineering consulting firm grounded in evidence-based research and development.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: The Colony, TX, United StatesReported employees: 51-200 | The Colony, TX, United States | 51-200 | Exact match | 147 contacts → |
“Quest Resource Management Group, a subsidiary of Quest Resource Holding Corporation (Nasdaq: QRHC), is a full-service environmental consulting and management company headquartered…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | STOKstok.com HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 141 contacts → |
“Stok leads organizations to decarbonize now.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Four Seasons Environmental, INCfseinc.net HQ: Monroe, OH, United StatesReported employees: 201-500 | Monroe, OH, United States | 201-500 | Exact match | 134 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 | Onepointfive Opf.Degreeopf.degree HQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 133 contacts → |
“At OnePointFive we solve your sustainability focused business challenges by empowering your organization with expert-led solutions, embedded training, and cutting edge tools to…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | RE Tech Advisorsretechadvisors.com HQ: Mclean, VA, United StatesReported employees: 51-200 | Mclean, VA, United States | 51-200 | Exact match | 124 contacts → |
“RE Tech Advisors, a Legence Company, offers an integrated suite of solutions designed to drive building performance, decrease costs, and overcome any project challenge.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Michaels Energy- An Inc. 5000 Companymichaelsenergy.com HQ: La Crosse, WI, United StatesReported employees: 51-200 | La Crosse, WI, United States | 51-200 | Exact match | 121 contacts → |
“Michaels Energy is a veteran-owned energy consulting firm that exists to help businesses minimize waste and maximize value.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Cascadia Consulting Groupcascadiaconsulting.com HQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 110 contacts → |
“Cascadia Consulting Group is a majority women-owned consulting firm specializing in environmental and sustainability solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Ecoengineersecoengineers.us HQ: Des Moines, IA, United StatesReported employees: 51-200 | Des Moines, IA, United States | 51-200 | Exact match | 109 contacts → |
“EcoEngineers, an LRQA company, is a consulting, auditing, and advisory firm with an exclusive focus on the energy transition and decarbonization.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Techlawtechlawinc.com HQ: Chantilly, VA, United StatesReported employees: 201-500 | Chantilly, VA, United States | 201-500 | Exact match | 104 contacts → |
“Established in 1983, TechLaw provides environmental and management consulting services to the public sector nationwide.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Citadel EHScitadelehs.com HQ: Glendale, CA, United StatesReported employees: 51-200 | Glendale, CA, United States | 51-200 | Exact match | 102 contacts → |
“Founded in 1993, Citadel EHS provides comprehensive environmental, health, safety, and sustainability consulting solutions to meet the needs of both the public and private sectors.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | KW Engineeringkw-engineering.com HQ: Oakland, CA, United StatesReported employees: 51-200 | Oakland, CA, United States | 51-200 | Exact match | 97 contacts → |
“In 1998, I started kW Engineering as a two-person firm with a singular vision: to become the leading technical experts at saving money in buildings by saving energy and water.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | AKT Peerlessaktpeerless.com HQ: Saginaw, MI, United StatesReported employees: 51-200 | Saginaw, MI, United States | 51-200 | Exact match | 96 contacts → |
“We are environmental consultants and redevelopment experts who are proud to help build sustainable communities.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Forteraforteraglobal.com HQ: San Jose, CA, United StatesReported employees: 51-200 | San Jose, CA, United States | 51-200 | Exact match | 96 contacts → |
“Fortera is a pioneering green cement manufacturer with production in Redding, California.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Climecoclimeco.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 96 contacts → |
“ClimeCo is an award-winning leader in decarbonization, empowering global organizations with customized sustainability pathways.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Verdani Partnersverdani.com HQ: Carlsbad, CA, United StatesReported employees: 51-200 | Carlsbad, CA, United States | 51-200 | Exact match | 89 contacts → |
“Verdani Partners is a full service sustainability consulting firm specialized in corporate sustainability, LEED certification and greening and retrofitting existing buildings.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,092 company matches
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Carbon consultants: dataset insights
September 21, 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
1,092 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,092 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 21, 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 ↗
Carbon consultants by metro
Questions about this company list
What does Exact match mean for carbon 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 carbon consultants did RevenueBase find based in the United States?
The saved snapshot records 1,092 matching company records, 12,577 tracked contacts and 4,345 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 21, 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.
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Cite this list
RevenueBase Data Team. Top 25 carbon consultants based in the United States. Snapshot: September 21, 2026. https://revenuebase.ai/companies/carbon-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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