Company lists · Data refreshed November 2026

Top 25 Epa permit application services based in the United States

RevenueBase identified 140 company matches for epa permit application services associated with the United States as of November 2026 and tracks 1,250 professional contacts across them, including 672 with verified work emails. Houston is the largest hub.

This list covers company matches for epa permit application services 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
140Companies
1,250Contacts tracked
672Verified emails
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The 25 largest epa permit application services based in the United States

Ranked by team size
Top 25 of 140 company matches for epa permit application services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchCosta Mesa, CA, United StatesHQ recorded Nov 6, 202651-200109 contacts →

Exact match

“Public agencies and businesses have been relying on Chambers Group to keep them in compliance with applicable federal, state, and/or local environmental laws, regulations, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchHouston, FL, United StatesHQ recorded Nov 6, 202651-20079 contacts →

Exact match

“As a leader in the environmental compliance services industry, AARC does more than just meeting the needs of clients today.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchIndianapolis, IN, United StatesHQ recorded Nov 6, 202651-20054 contacts →

Exact match

“Metric Environmental, LLC is a DBE/MBE environmental consulting firm headquartered in Indianapolis, Indiana with additional offices in Gary, Indiana, Cincinnati, Ohio and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchRockaway, United StatesHQ recorded Nov 6, 202611-5051 contacts →

Exact match

“EcolSciences, Inc, was founded in 1973 in response to the growing need for responsible environmental planning, as mandated by NEPA, The National Environmental Policy Act.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchPasadena, CA, United StatesHQ recorded Nov 6, 202611-5044 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchIrvine, CA, United StatesHQ recorded Nov 6, 202651-20042 contacts →

Exact match

“UltraSystems is a leader in compliance with federal, state, and local environmental regulations governing project planning and development.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSanta Monica, CA, United StatesHQ recorded Nov 6, 202611-5037 contacts →

Exact match

“Catalyst Environmental Solutions Corporation is a full service environmental consulting firm, specializing in the energy sector, land development and remediation, and water…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchHumble, TX, United StatesHQ recorded Nov 6, 202611-5035 contacts →

Exact match

“The WCM Group is a team of environmental consultants, engineers and experienced professionals dedicated to helping businesses navigate the environmental regulatory landscape.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchMalvern, PA, United StatesHQ recorded Nov 6, 202651-20034 contacts →

Exact match

“Bluestone Environmental Group, Inc.(Bluestone) is a small woman-owned business specializing in environmental engineering consulting.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSpearfish, TX, United StatesHQ recorded Nov 6, 202651-20032 contacts →

Exact match

“H2E seeks to provide high quality environmental engineering and consulting services in the most efficient manner possible.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchLongview, WA, United StatesHQ recorded Nov 6, 202611-5032 contacts →

Exact match

“Ecological Land Services, Inc.(ELS) provides high-quality environmental consulting and permitting, specializing in projects involving wetlands, streams, wildlife, habitat, and ESA…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchGoshen, United StatesHQ recorded Nov 6, 202611-5031 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 · Nov 6, 2026 · View company records in RevenueBase
13Exact matchEl Segundo, CA, United StatesHQ recorded Nov 6, 202611-5028 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchRichmond, VA, United StatesHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“Dramby Environmental Consulting, Inc.(DEC), is a woman-owned small business headquartered in Richmond, Virginia with satellite offices in Williamsburg, Virginia, Raleigh, North…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchBuffalo, WY, United StatesHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“Absaroka Energy and Environmental Solutions, LLC is regulatory compliance and permitting consultancy operating in the Rocky Mountain region.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchLos Angeles, CA, United StatesHQ recorded Nov 6, 202611-5025 contacts →

Exact match

“Frog Environmental is the premier environmental consulting firm servicing California and the Western United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchColumbus, OH, United StatesHQ recorded Nov 6, 202611-5022 contacts →

Exact match

“GT Environmental, Inc.(GT) is an environmental consulting firm headquartered in Columbus, Ohio.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchMonterey, CA, United StatesHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“DD & A is an award-winning, State of California-certified Small and Woman-owned business.”

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

Exact match

“Incompli was founded in May of 2010 to provide a simple and effective solution for construction companies, developers, property owners, and manufacturing companies that are…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchBloomington, MN, United StatesHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“Landmark Environmental, LLC specializes in providing professional environmental consulting services to clients who buy, sell, redevelop, or manage property affected by…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202611-5017 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchAnchorage, AK, United StatesHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“Owl Ridge Natural Resource Consultants, Inc.(Owl Ridge) was formed in 2012 as a small business enterprise to provide a full range of environmental consulting services including…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchAustin, TX, United StatesHQ recorded Nov 6, 202611-5015 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLongview, TX, United StatesHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“No two environmental compliance projects are the same.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchSan Diego, CA, United StatesHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“BlueScape is a progressive air quality and environmental services firm located in the Western US that specializes in permitting and compliance services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 140 epa permit application services based in the United States

See the full list, filter by size, metro and specialty, and access 672 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Epa permit application services based in the United States at a glance

As of Nov 6, 2026
53.8%Verified-email coverage
8.9Average contacts per company
1-10Median size (employees)
3.6%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
86
11-50
42
51-200
9
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 140 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 “epa permit application services” 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 672 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 “epa permit application services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many epa permit application services are there based in the United States?

RevenueBase identified 140 company matches for epa permit application services 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?

Chambers Group, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most epa permit application services?

Houston leads with 5 company records, followed by Austin (4) and Phoenix (4).

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 672 professional contacts with verified work emails tracked across these 140 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.

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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.