Company lists · Data refreshed October 2026

Top 25 Environmental liability insurance consultants based in the United States

Name: Environmental liability insurance consultants based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 12, 2026 1,249 companies tracked

RevenueBase identified 1,249 company matches for environmental liability insurance consultants associated with the United States as of October 2026 and tracks 19,192 professional contacts across them, including 8,642 with verified work emails. Houston is the largest hub.

This list covers company matches for environmental liability insurance 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 October 12, 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 Oct 12, 2026 How this list was built

1,249Companies

19,192Contacts tracked

8,642Verified emails

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The 25 largest environmental liability insurance consultants based in the United States

Ranked by team size

Top 25 of 1,249 company matches for environmental liability insurance consultants based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 12, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Montrose Environmental Group	Exact match	Little Rock, AR, United StatesHQ recorded Oct 12, 2026	1,001-5,000	843 contacts →
	Exact match “Onterris (formerly Montrose Environmental Group) was one of the first to see environmental responsibility as not just an imperative but as a strategic asset.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
2	Antea Group USA	Exact match	St. Paul, MN, United StatesHQ recorded Oct 12, 2026	1,001-5,000	658 contacts →
	Exact match “Antea Group is an international engineering and environmental consulting firm specializing in full-service solutions in the fields of environment, health and safety, and…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
3	EBI Consulting	Exact match	Burlington, MA, United StatesHQ recorded Oct 12, 2026	501-1,000	542 contacts →
	Exact match “For 35 years we have been helping investors, lenders, owners, developers, contractors, and property managers reduce risk and optimize their built facilities, infrastructure and…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4	ROUX	Exact match	Islandia, NY, United StatesHQ recorded Oct 12, 2026	201-500	468 contacts →
	Exact match “Founded 40 years ago, Roux is recognized for being a highly effective, client-focused environmental consulting and management firm.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
5	Groundwater & Environmental Services, INC	Exact match	Wall Township, NJ, United StatesHQ recorded Oct 12, 2026	201-500	462 contacts →
	Exact match “We are Groundwater & Environmental Services, Inc, better known as GES.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
6	Ecology And Environment, INC	Exact match	Lancaster, NY, United StatesHQ recorded Oct 12, 2026	5,001-10,000	298 contacts →
	Exact match “E&E is now WSP USA.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
7	Nova Group, GBC	Exact match	St. Louis Park, MN, United StatesHQ recorded Oct 12, 2026	201-500	277 contacts →
	Exact match “Nova Group, GBC is an international, multidisciplinary advising firm providing environmental, engineering and energy services throughout North America and around the globe.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8	GSI Environmental INC	Exact match	Houston, TX, United StatesHQ recorded Oct 12, 2026	201-500	272 contacts →
	Exact match “GSI Environmental, Inc.(GSI), is an environmental engineering and science consulting firm committed to measuring, analyzing, and solving complex environmental problems around the…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9	APPL	Exact match	Clovis, CA, United StatesHQ recorded Oct 12, 2026	n/a	217 contacts →
	Exact match “Appl Inc is an environmental services company based out of 908 N Temperance Ave, Clovis, CA, United States.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10	Hillmann Consulting, LLC	Exact match	Union, NJ, United StatesHQ recorded Oct 12, 2026	201-500	209 contacts →
	Exact match “Hillmann has been a well-recognized leader in the Environmental Health & Safety, Due Diligence & Remediation Management, and Construction Services industries since 1985.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11	Berkley Environmental A Berkley Company	Exact match	Jersey City, NJ, United StatesHQ recorded Oct 12, 2026	201-500	200 contacts →
	Exact match “Berkley Environmental facilities have earned their reputation as innovative problem solvers with the skill to recognize the reality of the market while maintaining underwriting…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12	August Mack Environmental, INC	Exact match	Indianapolis, IN, United StatesHQ recorded Oct 12, 2026	51-200	194 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13	Landau Associates	Exact match	Seattle, WA, United StatesHQ recorded Oct 12, 2026	51-200	185 contacts →
	Exact match “Landau Associates is an employee-owned firm that provides environmental consulting and risk management for clients across many disciplines including air, noise, water, permitting…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14	Ecorp Consulting, INC	Exact match	Rocklin, CA, United StatesHQ recorded Oct 12, 2026	51-200	173 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15	Keramida INC	Exact match	Indianapolis, IN, United StatesHQ recorded Oct 12, 2026	51-200	171 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 · Oct 12, 2026 · View company records in RevenueBase
16	Industrial Economics, Incorporated IEC	Exact match	Cambridge, MA, United StatesHQ recorded Oct 12, 2026	51-200	166 contacts →
	Exact match “IEc is an environmental consulting firm with four decades of experience providing consulting services to a diverse client base.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17	Terraphase Engineering INC	Exact match	Oakland, CA, United StatesHQ recorded Oct 12, 2026	201-500	164 contacts →
	Exact match “Terraphase offers cost-effective solutions to complex environmental and engineering challenges.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18	Mostardi Platt	Exact match	Elmhurst, IL, United StatesHQ recorded Oct 12, 2026	51-200	160 contacts →
	Exact match “Since the passage of original environmental legislation nearly four decades ago, both private and public industry have turned to Mostardi Platt for guidance in complying with air…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19	Gradient	Exact match	Boston, MA, United StatesHQ recorded Oct 12, 2026	51-200	157 contacts →
	Exact match “Gradient is an environmental and risk science consulting firm renowned for our specialties in Toxicology, Epidemiology, Risk Assessment, Product Safety, Contaminant Fate and…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20	Ensolum, LLC	Exact match	Dallas, TX, United StatesHQ recorded Oct 12, 2026	51-200	140 contacts →
	Exact match “OUR MISSION is to combine sustainable environmental solutions with forward-thinking, cost-effective, innovative, and value-added technologies that balance our clients’ economic…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21	Envirotrac LLC	Exact match	Yaphank, NY, United StatesHQ recorded Oct 12, 2026	51-200	135 contacts →
	Exact match “EnviroTrac Ltd.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22	Spheros Environmental	Exact match	Denver, CO, United StatesHQ recorded Oct 12, 2026	201-500	132 contacts →
	Exact match “Environmental insight for complex real-world decisions Spheros Environmental helps clients make clear, defensible decisions in complex environments.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23	PPM Consultants, INC	Exact match	Birmingham Office, AL, United StatesHQ recorded Oct 12, 2026	51-200	124 contacts →
	Exact match “PPM Consultants is an environmental and engineering consulting firm providing services to industrial, commercial, and governmental clients.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
24	Edge Engineering And Science, LLC	Exact match	Houston, TX, United StatesHQ recorded Oct 12, 2026	51-200	123 contacts →
	Exact match “Edge Engineering & Science, LLC (EDGE) is a privately owned professional services firm headquartered in Houston, Texas.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
25	Resolute Management, INC	Exact match	Boston, MA, United StatesHQ recorded Oct 12, 2026	201-500	116 contacts →
	Exact match “Resolute Management, Inc.(RMI) is a Third Party Administrator hired by clients to handle complex environmental, asbestos, and/or latent type insurance claims.” Recorded in the RevenueBase company graph · Oct 12, 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 “environmental liability insurance 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 1,249 environmental liability insurance consultants based in the United States

See the full list, filter by size, metro and specialty, and access 8,642 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Environmental liability insurance consultants based in the United States at a glance

As of Oct 12, 2026

45.0%Verified-email coverage

15.4Average contacts per company

1-10Median size (employees)

3.2%Largest-city concentration · Houston

Oct 12, 2026Page data refreshed

Companies by employee count

1-10

678

11-50

453

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

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 1,249 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 “environmental liability insurance 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 8,642 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 October 12, 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.

Environmental liability insurance consultants by metro

Environmental liability insurance consultants in Houston40

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 “environmental liability insurance consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many environmental liability insurance consultants are there based in the United States?

RevenueBase identified 1,249 company matches for environmental liability insurance consultants associated with the United States as of October 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?

Montrose Environmental Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most environmental liability insurance consultants?

Houston leads with 40 company records, followed by New York (19) and Indianapolis (15).

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 8,642 professional contacts with verified work emails tracked across these 1,249 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 October 12, 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.