Company lists · Data refreshed September 2026

Top 25 Environmental management system software companies based in the United States

Name: Environmental management system software 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 28, 2026 407 companies tracked

RevenueBase identified 407 environmental management system software companies headquartered in the United States as of September 2026 and tracks 16,865 professional contacts across them, including 4,328 with verified work emails. Houston is the largest hub.

This list covers environmental management system software 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 28, 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 28, 2026 86% judged on-target in blind review

407Companies

16,865Contacts tracked

4,328Verified emails

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The 25 largest environmental management system software companies based in the United States

Ranked by team size

Top 25 of 407 environmental management system software companies based in the United States, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to environmental management system software 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	Sphera	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,349 contacts →
	Indirect evidence “Sphera creates a safer, more sustainable and productive world.” Source: RevenueBase Database · checked Sep 28, 2026
2	Adec Innovations	Strong evidence	Irvine, CA, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,304 contacts →
	Strong evidence “ADEC Innovations seamlessly delivers fully integrated, cost-effective industry expertise, business process & data management, and software services.” Source: RevenueBase Database · checked Sep 28, 2026
3	ESS	Strong evidence	Tempe, AZ, United StatesHQ checked Sep 28, 2026	n/a	1,201 contacts →
	Strong evidence “ESS is the leading provider of Environmental, Health & Safety (EHS) and Crisis Management sustainability software.” Source: RevenueBase Database · checked Sep 28, 2026
4	Alliance Technical Group	Partial evidence	Decatur, AL, United StatesHQ checked Sep 28, 2026	1,001-5,000	956 contacts →
	Partial evidence “Alliance is a new kind of environmental services company-powered by innovation, focused on service, and committed to client success.” Source: RevenueBase Database · checked Sep 28, 2026
5	Velocityehs	Partial evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	501-1,000	568 contacts →
	Partial evidence “VelocityEHS is the global leader in EHS & Sustainability software, pioneering human-centered AI to make workplaces safer, faster.” Source: RevenueBase Database · checked Sep 28, 2026
6	Watershed	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 28, 2026	201-500	529 contacts →
	Indirect evidence “Watershed is the enterprise sustainability platform.” Source: RevenueBase Database · checked Sep 28, 2026
7	Greenly	Indirect evidence	New York, NY, United StatesHQ checked Sep 28, 2026	201-500	305 contacts →
	Indirect evidence “Greenly is on a mission to democratize access to science-backed climate intelligence, transforming sustainability from a compliance burden into a strategic competitive advantage.” Source: RevenueBase Database · checked Sep 28, 2026
8	ETQ	Strong evidence	Burlington, MA, United StatesHQ checked Sep 28, 2026	201-500	254 contacts →
	Strong evidence “Octave Reliance (formerly ETQ Reliance) is the leading Quality, EHS, Food Safety and Compliance management software for identifying, mitigating and preventing high-risk events…” Source: RevenueBase Database · checked Sep 28, 2026
9	Metiri Group	Partial evidence	Clovis, CA, United StatesHQ checked Sep 28, 2026	n/a	233 contacts →
	Partial evidence “Appl Inc is an environmental services company based out of 908 N Temperance Ave, Clovis, CA, United States.” Source: RevenueBase Database · checked Sep 28, 2026
10	Opus Inspection Technologies	Partial evidence	Brookfield, WI, United StatesHQ checked Sep 28, 2026	201-500	231 contacts →
	Partial evidence “Opus Inspection Technologies is a leader in developing, implementing and managing innovative technology and system solutions that enable customers worldwide to address their…” Source: RevenueBase Database · checked Sep 28, 2026
11	Plateau GRP	Indirect evidence	Fairfax, VA, United StatesHQ checked Sep 28, 2026	51-200	192 contacts →
	Indirect evidence “Plateau Grp provides innovative and agile IT solutions to customer challenges.” Source: RevenueBase Database · checked Sep 28, 2026
12	Source Intelligence	Partial evidence	San Diego, CA, United StatesHQ checked Sep 28, 2026	201-500	179 contacts →
	Partial evidence “Source Intelligence is a leading provider of supply chain compliance and ESG data management solutions.” Source: RevenueBase Database · checked Sep 28, 2026
13	Earthsoft	Strong evidence	Pensacola, FL, United StatesHQ checked Sep 28, 2026	51-200	168 contacts →
	Strong evidence “EarthSoft is the recognized leader in providing environmental and geotechnical data management and decision support systems for industrial organizations, government agencies…” Source: RevenueBase Database · checked Sep 28, 2026
14	Isometrix Software	Strong evidence	Alpharetta, GA, United StatesHQ checked Sep 28, 2026	201-500	164 contacts →
	Strong evidence “IsoMetrix is a global leader in integrated risk management software, helping organizations connect ESG, EHS, and GRC into a single, intelligent system.” Source: RevenueBase Database · checked Sep 28, 2026
15	Persefoni	Indirect evidence	Mesa, AZ, United StatesHQ checked Sep 28, 2026	201-500	137 contacts →
	Indirect evidence “Persefoni AI Inc.” Source: RevenueBase Database · checked Sep 28, 2026
16	Pulsora	Partial evidence	San Mateo, CA, United StatesHQ checked Sep 28, 2026	51-200	98 contacts →
	Partial evidence “Pulsora is a sustainability management platform that helps businesses simplify and consolidate complex ESG operations, processes, and data in one centralized hub.” Source: RevenueBase Database · checked Sep 28, 2026
17	Locus Technologies	Strong evidence	Mountain View, CA, United StatesHQ checked Sep 28, 2026	51-200	95 contacts →
	Strong evidence “Locus Technologies is the only scientist-driven software company at the nexus of analytical and field data management, Environmental, Health, and Safety (EHS) compliance, and…” Source: RevenueBase Database · checked Sep 28, 2026
18	Encamp	Partial evidence	Indianapolis, IN, United StatesHQ checked Sep 28, 2026	51-200	81 contacts →
	Partial evidence “Encamp is an enterprise technology company on a mission to create a world in which what’s good for business can be good for the environment.” Source: RevenueBase Database · checked Sep 28, 2026
19	BEM Systems, INC	Strong evidence	Madison, NJ, United StatesHQ checked Sep 28, 2026	11-50	78 contacts →
	Strong evidence “Founded in 1990, BEM Systems, Inc.(BEM) is an environmental, engineering, and information management firm specializing in remedial investigations and environmental management.” Source: RevenueBase Database · checked Sep 28, 2026
20	Riverside Technology, INC	Indirect evidence	Fairfax, VA, United StatesHQ checked Sep 28, 2026	201-500	72 contacts →
	Indirect evidence “Riverside has been acquired by Consolidated Safety Services Incorporated, please visit us at Riverside is an internationally recognized engineering, science, and information…” Source: RevenueBase Database · checked Sep 28, 2026
21	Ddms, INC	Strong evidence	St Paul, MN, United StatesHQ checked Sep 28, 2026	51-200	70 contacts →
	Strong evidence “de maximis Data Management Solutions (ddms) is a service-oriented company that provides world-class environmental data management, data validation, visualization and enterprise…” Source: RevenueBase Database · checked Sep 28, 2026
22	Chemicalsafety	Strong evidence	Las Vegas, NV, United StatesHQ checked Sep 28, 2026	51-200	67 contacts →
	Strong evidence “ChemicalSafety provides industry-leading environmental technology for chemical, facility, and hazardous waste management, as well as compliance with local, national and…” Source: RevenueBase Database · checked Sep 28, 2026
23	Gravity	Partial evidence	San Francisco, CA, United StatesHQ checked Sep 28, 2026	51-200	57 contacts →
	Partial evidence “Gravity is the only enterprise carbon and energy management platform that helps companies automate reporting and deploy cost-saving energy projects.” Source: RevenueBase Database · checked Sep 28, 2026
24	Dakota Software	Strong evidence	Cleveland, OH, United StatesHQ checked Sep 28, 2026	51-200	56 contacts →
	Strong evidence “Dakota Software is the only provider of Environmental, Health, and Safety (EHS) solutions that deliver comprehensive regulatory content through an enterprise-level EHS management…” Source: RevenueBase Database · checked Sep 28, 2026
25	Whitetail Environmental LLC	Partial evidence	Jay, OK, United StatesHQ checked Sep 28, 2026	51-200	45 contacts →
	Partial evidence “Whitetail Environmental, LLC is a Small Business Administration (SBA)-certified 8(a), Native American-owned small disadvantaged business.” Source: RevenueBase Database · checked Sep 28, 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: environmental management system software 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 environmental management system software companies.
Partial evidence: Its own public description names part of environmental management system software companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name environmental management system software 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 407 environmental management system software companies based in the United States

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Environmental management system software companies based in the United States at a glance

As of Sep 28, 2026

25.7%Verified-email coverage

41.4Average contacts per company

11-50Median size (employees)

5.2%Largest-city concentration · Houston

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

187

11-50

169

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

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 407 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 environmental management system software 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 “environmental management system software 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 environmental management system software 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 environmental management system software 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, 4,328 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 28, 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 environmental management system software 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 environmental management system software companies are there based in the United States?

RevenueBase identified 407 environmental management system software 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?

Sphera, headquartered in Chicago, tops this list with the largest team on record.

Which city has the most environmental management system software companies?

Houston leads with 21 headquartered companies, followed by New York (15) and Austin (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 4,328 verified decision-maker contacts tracked across these 407 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 28, 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.