Company lists · Data refreshed September 2026

Top 25 Cap-and-trade compliance firms based in the United States

RevenueBase identified 111 company matches for cap-and-trade compliance firms associated with the United States as of September 2026 and tracks 1,003 professional contacts across them, including 502 with verified work emails. Houston is the largest hub.

This list covers company matches for cap-and-trade compliance firms 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 19, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 19, 2026 How this list was built
111Companies
1,003Contacts tracked
502Verified emails
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The 25 largest cap-and-trade compliance firms based in the United States

Ranked by team size
Top 25 of 111 company matches for cap-and-trade compliance firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchPortland, OR, United StatesHQ recorded Sep 19, 2026201-500288 contacts →

Exact match

“At Cascade Energy, we believe in better.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2Exact matchThornton, CO, United StatesHQ recorded Sep 19, 202611-5049 contacts →

Exact match

“CDH Consulting specializes in helping energy companies understand and manage the numerous environmental and regulatory obligations affecting their operations.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3Exact matchNew York, NY, United StatesHQ recorded Sep 19, 202611-5047 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4Exact matchGoshen, IN, United StatesHQ recorded Sep 19, 202611-5027 contacts →

Exact match

“BCA Environmental Consultants helps industrial and commercial facilities stay compliant with federal, state, and local environmental regulations.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5Exact matchCamarillo, CA, United StatesHQ recorded Sep 19, 202611-5024 contacts →

Exact match

“Ashworth Leininger Group was formed to offer expert air quality and environmental consulting services to a broad spectrum of clients – industry, trade associations and agencies.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6Exact matchSacramento, CA, United StatesHQ recorded Sep 19, 202611-5021 contacts →

Exact match

“OUR WORK WCI, Inc.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7Exact matchIrvine, CA, United StatesHQ recorded Sep 19, 202611-5020 contacts →

Exact match

“M.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8Exact matchLongview, TX, United StatesHQ recorded Sep 19, 202611-5019 contacts →

Exact match

“Sphere 3 Environmental provides environmental compliance services to aide our clients in cost-effective solutions to today's environmental regulations.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9Exact matchHouston, TX, United StatesHQ recorded Sep 19, 202611-5019 contacts →

Exact match

“At EOSolutions, we know you want your operations to stay in compliance.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10Exact matchSan Mateo, CA, United StatesHQ recorded Sep 19, 202611-5018 contacts →

Exact match

“Sustainability can feel overwhelming.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact matchHayward, CA, United StatesHQ recorded Sep 19, 202611-5016 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12Exact matchGrand Junction, CO, United StatesHQ recorded Sep 19, 202611-5016 contacts →

Exact match

“A Colorado-based company founded in 2005, Ruby Canyon Engineering, Inc.(RCE) is dedicated to the accurate greenhouse gas (GHG) emissions accounting of corporate inventories…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact matchSheridan, WY, United StatesHQ recorded Sep 19, 202611-5015 contacts →

Exact match

“We are emissions compliance professionals who specialize in communications-driven emissions testing to help our partners in the oil & gas industries achieve their compliance goals.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchBoston, MA, United StatesHQ recorded Sep 19, 202611-5010 contacts →

Exact match

“Realizse delivers the trusted compliance infrastructure clean energy finance now demands.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15Exact matchHuntington Beach, CA, United StatesHQ recorded Sep 19, 202611-5010 contacts →

Exact match

“At Pacific Standard Environmental (PSE), we provide CEMS field service and custom-engineered CEMS solutions for both compliance emissions monitoring and process measurements.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16Exact matchArcata, MA, United StatesHQ recorded Sep 19, 20261-109 contacts →

Exact match

“ATOA Carbon drives efficiency in carbon markets.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17Exact matchNew York, NY, United StatesHQ recorded Sep 19, 20261-108 contacts →

Exact match

“Launched in 2022 at COP27, The Global Carbon Market Utility is a public utility designed to provide the infrastructure necessary to manage a trustworthy carbon market-including…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchPottstown, PA, United StatesHQ recorded Sep 19, 202611-508 contacts →

Exact match

“We deliver Environmental Reporting Solutions that help organizations simplify environmental data management and strengthen compliance confidence across complex reporting…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact matchChicago, IL, United StatesHQ recorded Sep 19, 202611-507 contacts →

Exact match

“The Astor Company opened its doors almost 20 years ago as a cardboard recycling company, beginning a journey of continuous adaptation and evolution which today finds a world-class…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20Exact matchLongview, TX, United StatesHQ recorded Sep 19, 20261-107 contacts →

Exact match

“ESA Consulting brings together solution-driven technical experts to design and implement environmental and regulatory compliance strategies tailored to the needs of the individual…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact matchIndian Springs, AL, United StatesHQ recorded Sep 19, 20261-106 contacts →

Exact match

“SOLA Environmental, LLC provides environmental consultation services to industrial facilities and corporate entities.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22Exact matchWest Chester, OH, United StatesHQ recorded Sep 19, 20261-106 contacts →

Exact match

“Optim staff specializes in providing air quality and permitting service.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23Exact matchLos Angeles, CA, United StatesHQ recorded Sep 19, 20261-106 contacts →

Exact match

“Bespoke ESG gets companies through the sustainability work that has a deadline.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact matchAtlanta, GA, United StatesHQ recorded Sep 19, 20261-105 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25Exact matchOlathe, KS, United StatesHQ recorded Sep 19, 20261-105 contacts →

Exact match

“My company continues to grow with new clients as we work on environmental compliance programs.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

Showing 25 of 111 cap-and-trade compliance firms based in the United States

See the full list, filter by size, metro and specialty, and access 502 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cap-and-trade compliance firms based in the United States at a glance

As of Sep 19, 2026
50.0%Verified-email coverage
9.0Average contacts per company
1-10Median size (employees)
6.3%Largest-city concentration · Houston
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
77
11-50
28
51-200
5
201-500
1

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 111 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 “cap-and-trade compliance firms” 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 502 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 19, 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 “cap-and-trade compliance firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cap-and-trade compliance firms are there based in the United States?

RevenueBase identified 111 company matches for cap-and-trade compliance firms 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?

Cascade Energy tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most cap-and-trade compliance firms?

Houston leads with 7 company records, followed by New York (6) and Arlington (3).

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 502 professional contacts with verified work emails tracked across these 111 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 19, 2026.

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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.