Company lists · Data refreshed September 2026

Top 25 Bioremediation service companies based in the United States

Name: Bioremediation service companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 872 companies tracked

RevenueBase identified 872 bioremediation service companies headquartered in the United States as of September 2026 and tracks 13,167 professional contacts across them, including 4,289 with verified work emails. Houston is the largest hub.

This list covers bioremediation service companies headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review

872Companies

13,167Contacts tracked

4,289Verified emails

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The 25 largest bioremediation service companies based in the United States

Ranked by team size

Top 25 of 872 bioremediation service companies based in the United States, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to bioremediation service companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	PMI	Indirect evidence	Irvine, CA, United StatesHQ checked Sep 19, 2026	n/a	1,308 contacts →
	Indirect evidence “Training and Development Solutions” Source: RevenueBase Database · checked Sep 19, 2026
2	Hydrogeologic, INC	Indirect evidence	Reston, VA, United StatesHQ checked Sep 19, 2026	501-1,000	430 contacts →
	Indirect evidence “HydroGeoLogic, Inc.(HGL) is an employee-owned company with over 36 years of experience developing innovative, effective, and sustainable engineering and remediation solutions to…” Source: RevenueBase Database · checked Sep 19, 2026
3	Sevenson Environmental Services INC	Indirect evidence	Niagara Falls, NY, United StatesHQ checked Sep 19, 2026	501-1,000	277 contacts →
	Indirect evidence “Sevenson Environmental Services, Inc.” Source: RevenueBase Database · checked Sep 19, 2026
4	Environmental Restoration LLC	Indirect evidence	Saint Louis, MO, United StatesHQ checked Sep 19, 2026	201-500	273 contacts →
	Indirect evidence “Environmental Restoration LLC (ER) is 100% employee-owned and provides Environmental Site Remediation, Construction and Emergency Response services for hazardous waste materials…” Source: RevenueBase Database · checked Sep 19, 2026
5	Alliance Environmental Group, LLC	Indirect evidence	Azusa, CA, United StatesHQ checked Sep 19, 2026	501-1,000	254 contacts →
	Indirect evidence “Alliance is one of the most experienced and trusted environmental contractors in California.” Source: RevenueBase Database · checked Sep 19, 2026
6	Cascade Environmental, LLC	Indirect evidence	Bothell, WA, United StatesHQ checked Sep 19, 2026	1,001-5,000	248 contacts →
	Indirect evidence “CASCADE is the leading provider of environmental and geotechnical drilling, site investigation and environmental remediation.” Source: RevenueBase Database · checked Sep 19, 2026
7	Miller Environmental Group, INC	Indirect evidence	Calverton, NY, United StatesHQ checked Sep 19, 2026	201-500	231 contacts →
	Indirect evidence “Miller Environmental Group is a leading environmental response, remediation and restoration services company, providing industry, government, commercial and residential customers…” Source: RevenueBase Database · checked Sep 19, 2026
8	Patriot Environmental Services	Indirect evidence	Signal Hill, CA, United StatesHQ checked Sep 19, 2026	201-500	223 contacts →
	Indirect evidence “Patriot Environmental Services, a Crystal Clean company, is a leading environmental service provider with clients throughout the Southwestern United States.” Source: RevenueBase Database · checked Sep 19, 2026
9	Moran Environmental Recovery, LLC	Indirect evidence	Randolph, MA, United StatesHQ checked Sep 19, 2026	501-1,000	205 contacts →
	Indirect evidence “MER provides specialized services to clients within the specific Energy & Industrial, Marine, Railroad and Government sectors throughout the United States.” Source: RevenueBase Database · checked Sep 19, 2026
10	Stage 3 Separation	Indirect evidence	Houston, TX, United StatesHQ checked Sep 19, 2026	201-500	205 contacts →
	Indirect evidence “Stage 3 Separation is North America’s leading service provider for fluid conservation, solids control and waste mitigation.” Source: RevenueBase Database · checked Sep 19, 2026
11	BAY West LLC	Indirect evidence	St. Paul, MN, United StatesHQ checked Sep 19, 2026	201-500	187 contacts →
	Indirect evidence “Bay West is an environmental and industrial services provider for site investigations, groundwater and soil remediation, munitions cleanup, hazardous waste management, industrial…” Source: RevenueBase Database · checked Sep 19, 2026
12	Envent Corporation	Indirect evidence	La Porte, TX, United StatesHQ checked Sep 19, 2026	201-500	174 contacts →
	Indirect evidence “Envent Corporation is the industry leader in environmental services for the petrochemical industry.” Source: RevenueBase Database · checked Sep 19, 2026
13	Ensero Solutions	Indirect evidence	Fort Collins, CO, United StatesHQ checked Sep 19, 2026	51-200	129 contacts →
	Indirect evidence “Ensero Solutions is an environmental consulting and remediation business with specific expertise in environmental assessments and permitting solutions, mine water management…” Source: RevenueBase Database · checked Sep 19, 2026
14	Action Environmental	Indirect evidence	Birmingham, AL, United StatesHQ checked Sep 19, 2026	201-500	129 contacts →
	Indirect evidence “Action Environmental is an Environmental and Industrial Services Contractor headquartered in Birmingham, Alabama.” Source: RevenueBase Database · checked Sep 19, 2026
15	USA Environment, LP	Indirect evidence	Deer Park, TX, United StatesHQ checked Sep 19, 2026	201-500	118 contacts →
	Indirect evidence “ENTACT Acquires USA Environment September 28, 2022 – DALLAS, TX – ENTACT, LLC (“ENTACT”), a leading provider of environmental remediation and geotechnical services and a portfolio…” Source: RevenueBase Database · checked Sep 19, 2026
16	Cleaning Guys, LLC	Indirect evidence	Fort Worth Tx, TX, United StatesHQ checked Sep 19, 2026	1,001-5,000	115 contacts →
	Indirect evidence “CG, an EnviroServe Company (CG), founded in 1992, is a full-service environmental and hazmat cleanup company.” Source: RevenueBase Database · checked Sep 19, 2026
17	Ampol American Pollution Control, Corp	Indirect evidence	New Iberia, LA, United StatesHQ checked Sep 19, 2026	201-500	113 contacts →
	Indirect evidence “American Pollution Control, Corp.(AMPOL), the industry leader in oil spill response and total environmental solutions, focuses on restoration, going beyond response and cleanup.” Source: RevenueBase Database · checked Sep 19, 2026
18	Regenesis Remediation Solutions	Indirect evidence	San Clemente, CA, United StatesHQ checked Sep 19, 2026	51-200	111 contacts →
	Indirect evidence “REGENESIS is the global leader in technology-based solutions for the environment with an emphasis on contaminated site remediation.” Source: RevenueBase Database · checked Sep 19, 2026
19	USP Technologies	Indirect evidence	Glen Allen, VA, United StatesHQ checked Sep 19, 2026	51-200	110 contacts →
	Indirect evidence “USP Technologies provides performance-driven, full-service environmental treatment programs to help purify water, wastewater, soil and air.” Source: RevenueBase Database · checked Sep 19, 2026
20	Ground Water Treatment & Technology, LLC	Indirect evidence	Wharton, NJ, United StatesHQ checked Sep 19, 2026	51-200	106 contacts →
	Indirect evidence “GWTT is one of the only U.S.” Source: RevenueBase Database · checked Sep 19, 2026
21	Cliff Berry, INC	Indirect evidence	Fort Lauderdale, FL, United StatesHQ checked Sep 19, 2026	51-200	106 contacts →
	Indirect evidence “24/7 Emergency Services Hotline 1-800-899-7745 Cliff Berry, Inc.” Source: RevenueBase Database · checked Sep 19, 2026
22	Charter	Indirect evidence	Boston, MA, United StatesHQ checked Sep 19, 2026	51-200	104 contacts →
	Indirect evidence “The Charter Companies are a premier New England environmental firm delivering vision, clarity, certainty, and closure for complex, environmentally impaired sites, both on land and…” Source: RevenueBase Database · checked Sep 19, 2026
23	Innovative Construction Solutions	Indirect evidence	Costa Mesa, CA, United StatesHQ checked Sep 19, 2026	51-200	103 contacts →
	Indirect evidence “Innovative Construction Solutions (ICS) is a general engineering contractor with hazardous waste removal and demolition endorsements licensed in the State of California (License…” Source: RevenueBase Database · checked Sep 19, 2026
24	Zymeflow	Indirect evidence	Houston, TX, United StatesHQ checked Sep 19, 2026	51-200	92 contacts →
	Indirect evidence “ZymeFlow® is the global leader in chemical decontamination of process equipment in refinery, petrochemical, gas, and specialty markets.” Source: RevenueBase Database · checked Sep 19, 2026
25	Kroff, INC	Indirect evidence	Pittsburgh, PA, United StatesHQ checked Sep 19, 2026	51-200	79 contacts →
	Indirect evidence “One name.” Source: RevenueBase Database · checked Sep 19, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: bioremediation service companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names bioremediation service companies.
Partial evidence: Its own public description names part of bioremediation service companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name bioremediation service companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 872 bioremediation service companies based in the United States

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Bioremediation service companies based in the United States at a glance

As of Sep 19, 2026

32.6%Verified-email coverage

15.1Average contacts per company

11-50Median size (employees)

2.6%Largest-city concentration · Houston

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

363

11-50

334

51-200

135

201-500

501-1,000

1,001-5,000

10001+

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 872 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among bioremediation service companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United States whose own description of what they do matches “bioremediation service companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names bioremediation service companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among bioremediation service companies, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 4,289 across the full list. 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.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names bioremediation service companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many bioremediation service companies are there based in the United States?

RevenueBase identified 872 bioremediation service companies headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

PMI, headquartered in Irvine, tops this list with the largest team on record.

Which city has the most bioremediation service companies?

Houston leads with 23 headquartered companies, followed by Oklahoma City (10) and Dallas (8).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 4,289 verified decision-maker contacts tracked across these 872 companies.

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 Smart Search, 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.