Company lists · Data refreshed November 2026
Top 25 Transportation decarbonization consultants based in the United States
RevenueBase identified 107 company matches for transportation decarbonization consultants associated with the United States as of November 2026 and tracks 1,941 professional contacts across them, including 865 with verified work emails. Los Angeles is the largest hub.
This list covers company matches for transportation 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 transportation decarbonization consultants based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 | |||||
| 2 | 270 contacts → | ||||
Exact match “We are transportation specialists, dedicated to ensuring that transportation investments deliver the best possible results.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 177 contacts → | ||||
Exact match “For 30 years, our professionals have created and implemented sustainable, cost-effective transportation solutions for commercial, residential, governmental, and institutional…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 119 contacts → | ||||
Exact match “Lea+Elliott is a transportation consulting firm offering a broad range of services for clients worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 102 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 59 contacts → | ||||
Exact match “We believe that what’s good for our planet is good for business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 59 contacts → | ||||
Exact match “TJKM is a transportation engineering and planning firm serving California, with offices in Pleasanton, San Jose, Santa Rosa, Sacramento, and Fresno.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 51 contacts → | ||||
Exact match “Gladstein, Neandross & Associates (GNA) is the leading North American consulting firm specializing in market development for low- and zero-emission transportation technologies…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 48 contacts → | ||||
Exact match “GVF's mission is to inspire mobility choices for ALL.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 32 contacts → | ||||
Exact match “At High Street, the word foresight best describes our philosophy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 31 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 31 contacts → | ||||
Exact match “ALTRANS Transportation Management Association, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 12 contacts → | ||||
Exact match “Evolved Energy Research is a consulting company that advises on strategies for deep decarbonization of the energy economy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 12 contacts → | ||||
Exact match “We are a non-profit member organization with a diverse group of stakeholders – fleets, vehicle fuel providers, vehicle technology companies, sustainable corporations, air quality…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 11 contacts → | ||||
Exact match “Onboarding companies to decarbonization - Against Climate Change” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 9 contacts → | ||||
Exact match “Our focus allows us to continually develop innovation in the realm of technology with which we are most familiar and most passionate about.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 9 contacts → | ||||
Exact match “Modeling, optimization, and analysis.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 9 contacts → | ||||
Exact match “NorthEase Consulting Group is a woman-owned and operated Transportation Demand Management (TDM) consulting firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 8 contacts → | ||||
Exact match “44 Energy is an international consulting firm that provides world-class services for the sustainable transportation and clean energy markets.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 8 contacts → | ||||
Exact match “Formed in 2009 to provide the highest quality traffic engineering, transportation planning, and parking consulting services to both public and private sector clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 7 contacts → | ||||
Exact match “The Clean Air Institute (CAI) is an independent, non- profit 501(c)(3) organization.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 6 contacts → | ||||
Exact match “Blue Door is portal to the individual and collective knowledge and expertise of senior transportation consultants in transportation modeling, planning, policy, research, strategy…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 6 contacts → | ||||
Exact match “System Metrics Group, Inc.(SMG) is a California-certified and Metro-certified small business (SBE), CUCP-certified Disadvantaged Business Enterprise (DBE), and California-based…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 6 contacts → | ||||
Exact match “TDM Specialists develop planning documents for TDM/TSM/TMP requirements.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 5 contacts → | ||||
Exact match “Viridis Consulting (Viridis) is a clean energy consultancy certified as a Minority Woman-Owned (MWBE) and Small Business (SBE) firm based in Los Angeles.” 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 “transportation 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 107 transportation decarbonization consultants based in the United States
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Transportation 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 107 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 “transportation 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 865 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.
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 “transportation decarbonization consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many transportation decarbonization consultants are there based in the United States?
RevenueBase identified 107 company matches for transportation 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?
Veregy tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most transportation decarbonization consultants?
Los Angeles leads with 5 company records, followed by New York (5) and San Francisco (5).
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 865 professional contacts with verified work emails tracked across these 107 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 107 transportation decarbonization consultants based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Transportation decarbonization consultants by geography
- Transportation decarbonization consultants based in London, United Kingdom
- Transportation decarbonization consultants based in Canada
- Transportation decarbonization consultants based in France
- Transportation decarbonization consultants based in Germany
- Transportation decarbonization consultants based in the Netherlands
- Transportation decarbonization consultants based in the United Kingdom
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
- Transportation decarbonization consultants based in London, United Kingdom
- Transportation decarbonization consultants based in Canada
- Transportation decarbonization consultants based in France
- Transportation decarbonization consultants based in Germany
- Transportation decarbonization consultants based in the Netherlands
- Transportation decarbonization consultants based in the United Kingdom
Company intelligence · public preview
Top 25 transportation 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 107 matching company records for transportation decarbonization consultants based in the United States, with 1,941 tracked contacts and 865 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 transportation 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 |  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. | |||||
| 2 |  Cambridge Systematics, INCcamsys.comHQ: Medford, NY, United StatesReported employees: 201-500 | Medford, NY, United States | 201-500 | Exact match | 270 contacts → |
“We are transportation specialists, dedicated to ensuring that transportation investments deliver the best possible results.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Wells Associateswellsandassociates.comHQ: Tysons, NC, United StatesReported employees: Not recorded | Tysons, NC, United States | Not recorded | Exact match | 177 contacts → |
“For 30 years, our professionals have created and implemented sustainable, cost-effective transportation solutions for commercial, residential, governmental, and institutional…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  LEA Elliott, INCleaelliott.comHQ: Irving, FL, United StatesReported employees: 51-200 | Irving, FL, United States | 51-200 | Exact match | 119 contacts → |
“Lea+Elliott is a transportation consulting firm offering a broad range of services for clients worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Ecoengineersecoengineers.usHQ: Des Moines, IA, United StatesReported employees: 51-200 | Des Moines, IA, United States | 51-200 | Exact match | 102 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Carbonbettercarbonbetter.comHQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 59 contacts → |
“We believe that what’s good for our planet is good for business.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Tjkm Transportation Consultantstjkm.comHQ: Pleasanton, CA, United StatesReported employees: 11-50 | Pleasanton, CA, United States | 11-50 | Exact match | 59 contacts → |
“TJKM is a transportation engineering and planning firm serving California, with offices in Pleasanton, San Jose, Santa Rosa, Sacramento, and Fresno.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  GNA A TRC Companytrccompanies.comHQ: Santa Monica, CA, United StatesReported employees: 51-200 | Santa Monica, CA, United States | 51-200 | Exact match | 51 contacts → |
“Gladstein, Neandross & Associates (GNA) is the leading North American consulting firm specializing in market development for low- and zero-emission transportation technologies…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  GVFgvftma.comHQ: King Of Prussia, PA, United StatesReported employees: Not recorded | King Of Prussia, PA, United States | Not recorded | Exact match | 48 contacts → |
“GVF's mission is to inspire mobility choices for ALL.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  High Streethighstreetconsulting.comHQ: Pittsburgh, PA, United StatesReported employees: 11-50 | Pittsburgh, PA, United States | 11-50 | Exact match | 32 contacts → |
“At High Street, the word foresight best describes our philosophy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  TMDtmdinc.netHQ: Carlsbad, CA, United StatesReported employees: 11-50 | Carlsbad, CA, United States | 11-50 | Exact match | 31 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 |  Altrans Tma, INCaltrans.netHQ: San Jose, CA, United StatesReported employees: 11-50 | San Jose, CA, United States | 11-50 | Exact match | 31 contacts → |
“ALTRANS Transportation Management Association, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Evolved Energy Researchevolved.energyHQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 12 contacts → |
“Evolved Energy Research is a consulting company that advises on strategies for deep decarbonization of the energy economy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Drive Clean Coloradodrivecleancolorado.orgHQ: Golden, CO, United StatesReported employees: 1-10 | Golden, CO, United States | 1-10 | Exact match | 12 contacts → |
“We are a non-profit member organization with a diverse group of stakeholders – fleets, vehicle fuel providers, vehicle technology companies, sustainable corporations, air quality…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  LEAFleaf-si.comHQ: Coral Gables, FL, United StatesReported employees: 11-50 | Coral Gables, FL, United States | 11-50 | Exact match | 11 contacts → |
“Onboarding companies to decarbonization - Against Climate Change” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Intelligent Transportation Systems, LLCitsanswers.comHQ: Prairieville, LA, United StatesReported employees: 11-50 | Prairieville, LA, United States | 11-50 | Exact match | 9 contacts → |
“Our focus allows us to continually develop innovation in the realm of technology with which we are most familiar and most passionate about.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Sesame Sustainabilitysesamesustainability.comHQ: Cambridge, MA, United StatesReported employees: 1-10 | Cambridge, MA, United States | 1-10 | Exact match | 9 contacts → |
“Modeling, optimization, and analysis.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Northease Consulting Groupnortheaseconsulting.comHQ: Somerville, MA, United StatesReported employees: 1-10 | Somerville, MA, United States | 1-10 | Exact match | 9 contacts → |
“NorthEase Consulting Group is a woman-owned and operated Transportation Demand Management (TDM) consulting firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  44 Energy44energy.comHQ: Oakland, CA, United StatesReported employees: 11-50 | Oakland, CA, United States | 11-50 | Exact match | 8 contacts → |
“44 Energy is an international consulting firm that provides world-class services for the sustainable transportation and clean energy markets.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Gibson Transportation Consulting, INCgibsontransportation.comHQ: Glendale, CA, United StatesReported employees: 11-50 | Glendale, CA, United States | 11-50 | Exact match | 8 contacts → |
“Formed in 2009 to provide the highest quality traffic engineering, transportation planning, and parking consulting services to both public and private sector clients.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Clean AIR Institutecleanairinstitute.orgHQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 7 contacts → |
“The Clean Air Institute (CAI) is an independent, non- profit 501(c)(3) organization.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Blue Door Strategy And Researchbluedoorsr.comHQ: Austin, TX, United StatesReported employees: 1-10 | Austin, TX, United States | 1-10 | Exact match | 6 contacts → |
“Blue Door is portal to the individual and collective knowledge and expertise of senior transportation consultants in transportation modeling, planning, policy, research, strategy…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  System Metrics Group, INCsysmetgroup.comHQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 6 contacts → |
“System Metrics Group, Inc.(SMG) is a California-certified and Metro-certified small business (SBE), CUCP-certified Disadvantaged Business Enterprise (DBE), and California-based…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  TDM Specialiststdmspecialists.comHQ: San Francisco Bay, United StatesReported employees: 1-10 | San Francisco Bay, United States | 1-10 | Exact match | 6 contacts → |
“TDM Specialists develop planning documents for TDM/TSM/TMP requirements.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Viridis Consulting LLCviridis-consulting.comHQ: Pasadena, CA, United StatesReported employees: 1-10 | Pasadena, CA, United States | 1-10 | Exact match | 5 contacts → |
“Viridis Consulting (Viridis) is a clean energy consultancy certified as a Minority Woman-Owned (MWBE) and Small Business (SBE) firm based in Los Angeles.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 107 company matches
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Transportation 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
107 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 107 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 ↗
Questions about this company list
What does Exact match mean for transportation 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 transportation decarbonization consultants did RevenueBase find based in the United States?
The saved snapshot records 107 matching company records, 1,941 tracked contacts and 865 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
Transportation decarbonization consultants by geography
- Transportation decarbonization consultants based in London, United Kingdom
- Transportation decarbonization consultants based in Canada
- Transportation decarbonization consultants based in France
- Transportation decarbonization consultants based in Germany
- Transportation decarbonization consultants based in the Netherlands
- Transportation decarbonization consultants based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 transportation decarbonization consultants based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/transportation-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
- Transportation decarbonization consultants based in London, United Kingdom
- Transportation decarbonization consultants based in Canada
- Transportation decarbonization consultants based in France
- Transportation decarbonization consultants based in Germany
- Transportation decarbonization consultants based in the Netherlands
- Transportation decarbonization consultants based in the United Kingdom
Company intelligence · public preview
Top 25 transportation decarbonization consultants based in the United States
RevenueBase records 107 matching company records for transportation decarbonization consultants based in the United States, with 1,941 tracked contacts and 865 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 transportation 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 | 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. | |||||
| 2 | Cambridge Systematics, INCcamsys.com HQ: Medford, NY, United StatesReported employees: 201-500 | Medford, NY, United States | 201-500 | Exact match | 270 contacts → |
“We are transportation specialists, dedicated to ensuring that transportation investments deliver the best possible results.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Wells Associateswellsandassociates.com HQ: Tysons, NC, United StatesReported employees: Not recorded | Tysons, NC, United States | Not recorded | Exact match | 177 contacts → |
“For 30 years, our professionals have created and implemented sustainable, cost-effective transportation solutions for commercial, residential, governmental, and institutional…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | LEA Elliott, INCleaelliott.com HQ: Irving, FL, United StatesReported employees: 51-200 | Irving, FL, United States | 51-200 | Exact match | 119 contacts → |
“Lea+Elliott is a transportation consulting firm offering a broad range of services for clients worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Ecoengineersecoengineers.us HQ: Des Moines, IA, United StatesReported employees: 51-200 | Des Moines, IA, United States | 51-200 | Exact match | 102 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Carbonbettercarbonbetter.com HQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 59 contacts → |
“We believe that what’s good for our planet is good for business.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Tjkm Transportation Consultantstjkm.com HQ: Pleasanton, CA, United StatesReported employees: 11-50 | Pleasanton, CA, United States | 11-50 | Exact match | 59 contacts → |
“TJKM is a transportation engineering and planning firm serving California, with offices in Pleasanton, San Jose, Santa Rosa, Sacramento, and Fresno.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | GNA A TRC Companytrccompanies.com HQ: Santa Monica, CA, United StatesReported employees: 51-200 | Santa Monica, CA, United States | 51-200 | Exact match | 51 contacts → |
“Gladstein, Neandross & Associates (GNA) is the leading North American consulting firm specializing in market development for low- and zero-emission transportation technologies…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | GVFgvftma.com HQ: King Of Prussia, PA, United StatesReported employees: Not recorded | King Of Prussia, PA, United States | Not recorded | Exact match | 48 contacts → |
“GVF's mission is to inspire mobility choices for ALL.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | High Streethighstreetconsulting.com HQ: Pittsburgh, PA, United StatesReported employees: 11-50 | Pittsburgh, PA, United States | 11-50 | Exact match | 32 contacts → |
“At High Street, the word foresight best describes our philosophy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | TMDtmdinc.net HQ: Carlsbad, CA, United StatesReported employees: 11-50 | Carlsbad, CA, United States | 11-50 | Exact match | 31 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 | Altrans Tma, INCaltrans.net HQ: San Jose, CA, United StatesReported employees: 11-50 | San Jose, CA, United States | 11-50 | Exact match | 31 contacts → |
“ALTRANS Transportation Management Association, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Evolved Energy Researchevolved.energy HQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 12 contacts → |
“Evolved Energy Research is a consulting company that advises on strategies for deep decarbonization of the energy economy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Drive Clean Coloradodrivecleancolorado.org HQ: Golden, CO, United StatesReported employees: 1-10 | Golden, CO, United States | 1-10 | Exact match | 12 contacts → |
“We are a non-profit member organization with a diverse group of stakeholders – fleets, vehicle fuel providers, vehicle technology companies, sustainable corporations, air quality…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | LEAFleaf-si.com HQ: Coral Gables, FL, United StatesReported employees: 11-50 | Coral Gables, FL, United States | 11-50 | Exact match | 11 contacts → |
“Onboarding companies to decarbonization - Against Climate Change” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Intelligent Transportation Systems, LLCitsanswers.com HQ: Prairieville, LA, United StatesReported employees: 11-50 | Prairieville, LA, United States | 11-50 | Exact match | 9 contacts → |
“Our focus allows us to continually develop innovation in the realm of technology with which we are most familiar and most passionate about.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Sesame Sustainabilitysesamesustainability.com HQ: Cambridge, MA, United StatesReported employees: 1-10 | Cambridge, MA, United States | 1-10 | Exact match | 9 contacts → |
“Modeling, optimization, and analysis.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Northease Consulting Groupnortheaseconsulting.com HQ: Somerville, MA, United StatesReported employees: 1-10 | Somerville, MA, United States | 1-10 | Exact match | 9 contacts → |
“NorthEase Consulting Group is a woman-owned and operated Transportation Demand Management (TDM) consulting firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | 44 Energy44energy.com HQ: Oakland, CA, United StatesReported employees: 11-50 | Oakland, CA, United States | 11-50 | Exact match | 8 contacts → |
“44 Energy is an international consulting firm that provides world-class services for the sustainable transportation and clean energy markets.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Gibson Transportation Consulting, INCgibsontransportation.com HQ: Glendale, CA, United StatesReported employees: 11-50 | Glendale, CA, United States | 11-50 | Exact match | 8 contacts → |
“Formed in 2009 to provide the highest quality traffic engineering, transportation planning, and parking consulting services to both public and private sector clients.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Clean AIR Institutecleanairinstitute.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 7 contacts → |
“The Clean Air Institute (CAI) is an independent, non- profit 501(c)(3) organization.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Blue Door Strategy And Researchbluedoorsr.com HQ: Austin, TX, United StatesReported employees: 1-10 | Austin, TX, United States | 1-10 | Exact match | 6 contacts → |
“Blue Door is portal to the individual and collective knowledge and expertise of senior transportation consultants in transportation modeling, planning, policy, research, strategy…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | System Metrics Group, INCsysmetgroup.com HQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 6 contacts → |
“System Metrics Group, Inc.(SMG) is a California-certified and Metro-certified small business (SBE), CUCP-certified Disadvantaged Business Enterprise (DBE), and California-based…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | TDM Specialiststdmspecialists.com HQ: San Francisco Bay, United StatesReported employees: 1-10 | San Francisco Bay, United States | 1-10 | Exact match | 6 contacts → |
“TDM Specialists develop planning documents for TDM/TSM/TMP requirements.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Viridis Consulting LLCviridis-consulting.com HQ: Pasadena, CA, United StatesReported employees: 1-10 | Pasadena, CA, United States | 1-10 | Exact match | 5 contacts → |
“Viridis Consulting (Viridis) is a clean energy consultancy certified as a Minority Woman-Owned (MWBE) and Small Business (SBE) firm based in Los Angeles.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 107 company matches
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Transportation 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
107 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 107 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 ↗
Questions about this company list
What does Exact match mean for transportation 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 transportation decarbonization consultants did RevenueBase find based in the United States?
The saved snapshot records 107 matching company records, 1,941 tracked contacts and 865 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
Transportation decarbonization consultants by geography
- Transportation decarbonization consultants based in London, United Kingdom
- Transportation decarbonization consultants based in Canada
- Transportation decarbonization consultants based in France
- Transportation decarbonization consultants based in Germany
- Transportation decarbonization consultants based in the Netherlands
- Transportation decarbonization consultants based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 transportation decarbonization consultants based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/transportation-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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- Transportation decarbonization consultants based in London, United Kingdom
- Transportation decarbonization consultants based in Canada
- Transportation decarbonization consultants based in France
- Transportation decarbonization consultants based in Germany
- Transportation decarbonization consultants based in the Netherlands
- Transportation decarbonization consultants based in the United Kingdom