Company lists · Data refreshed November 2026

Top 25 Environmental software companies based in the United States

Name: Environmental 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 Nov 5, 2026 717 companies tracked

RevenueBase identified 717 company matches for environmental software companies associated with the United States as of November 2026 and tracks 26,579 professional contacts across them, including 9,380 with verified work emails. Houston is the largest hub.

This list covers company matches for environmental software companies 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 5, 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 5, 2026 How this list was built

717Companies

26,579Contacts tracked

9,380Verified emails

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The 25 largest environmental software companies based in the United States

Ranked by team size

Top 25 of 717 company matches for environmental software companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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	Swca Environmental Consultants	Exact match	Phoenix, MA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,695 contacts →
	Exact match “Founded on a commitment to sound science and creative solutions, SWCA is a leader in environmental and management consulting services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2	Sphera	Exact match	Chicago, IL, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,410 contacts →
	Exact match “Sphera helps companies understand and manage risk across their operations, products and supply chains by bringing safety, sustainability and performance data into one clear…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3	Alliance Technical Group	Exact match	Decatur, PA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,088 contacts →
	Exact match “Alliance is a new kind of environmental services company-powered by innovation, focused on service, and committed to client success.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4	Montrose Environmental Group	Exact match	Little Rock, AR, United StatesHQ recorded Nov 5, 2026	1,001-5,000	861 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 · Nov 5, 2026 · View company records in RevenueBase
5	Velocityehs	Exact match	Chicago, IL, United StatesHQ recorded Nov 5, 2026	501-1,000	592 contacts →
	Exact match “VelocityEHS is the global leader in EHS & Sustainability software, pioneering human-centered AI to make workplaces safer, faster.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6	Watershed	Exact match	San Francisco, CA, United StatesHQ recorded Nov 5, 2026	201-500	589 contacts →
	Exact match “Watershed is the enterprise sustainability platform.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7	ACT Group	Exact match	Amsterdam, NY, United StatesHQ recorded Nov 5, 2026	501-1,000	566 contacts →
	Exact match “Organizations come to ACT when a climate target, regulatory requirement, or emissions challenge needs a solution.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8	ROUX	Exact match	Islandia, NY, United StatesHQ recorded Nov 5, 2026	201-500	474 contacts →
	Exact match “The Roux organization applies sophisticated scientific, technical, and managerial resources to develop and implement effective, efficient, and sustainable solutions to our…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9	EDR	Exact match	Shelton, CT, United StatesHQ recorded Nov 5, 2026	201-500	370 contacts →
	Exact match “Serving the property due diligence industry since 1990 With over two decades of experience delivering the most comprehensive environmental risk data in the United States, EDR…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10	Picarro	Exact match	Santa Clara, CA, United StatesHQ recorded Nov 5, 2026	201-500	335 contacts →
	Exact match “Reducing emissions, detecting leaks, mitigating risk, optimizing operations, ensuring compliance and advancing research are some of the challenges facing our clients.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11	Cimarron	Exact match	Houston, OK, United StatesHQ recorded Nov 5, 2026	501-1,000	319 contacts →
	Exact match “With decades of operating history and innovation across our trusted brands, Cimarron provides technology-driven emissions management solutions for the global energy system.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12	GSI Environmental INC	Exact match	Houston, CA, United StatesHQ recorded Nov 5, 2026	201-500	281 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 · Nov 5, 2026 · View company records in RevenueBase
13	Opus Inspection Technologies	Exact match	Brookfield, WI, United StatesHQ recorded Nov 5, 2026	201-500	279 contacts →
	Exact match “Opus Inspection Technologies is a leader in developing, implementing and managing innovative technology and system solutions that enable customers worldwide to address their…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14	Environmental Works, INC	Exact match	Springfield, AR, United StatesHQ recorded Nov 5, 2026	201-500	245 contacts →
	Exact match “Environmental Works, Inc.(EWI) offers truly comprehensive environmental solutions for a variety of industries, businesses, and municipalities.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15	ARQ	Exact match	Greenwood Village, CO, United StatesHQ recorded Nov 5, 2026	201-500	245 contacts →
	Exact match “Arq is a diversified, environmental technology company with products that enable a cleaner and safer planet while actively reducing our environmental impact.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16	VMC Group	Exact match	Bloomingdale, NJ, United StatesHQ recorded Nov 5, 2026	51-200	206 contacts →
	Exact match “We design & build solutions that allow customers to better manage the negative environmental effects of air, noise, seismic, vibration, & shock.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17	APPL	Exact match	Clovis, CA, United StatesHQ recorded Nov 5, 2026	n/a	201 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 · Nov 5, 2026 · View company records in RevenueBase
18	Plateau GRP	Exact match	Fairfax, WA, United StatesHQ recorded Nov 5, 2026	51-200	188 contacts →
	Exact match “Plateau Grp provides innovative and agile IT solutions to customer challenges.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19	Earthsoft	Exact match	Pensacola, FL, United StatesHQ recorded Nov 5, 2026	51-200	178 contacts →
	Exact match “EarthSoft is the recognized leader in providing environmental and geotechnical data management and decision support systems for industrial organizations, government agencies…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20	Mostardi Platt	Exact match	Elmhurst, IL, United StatesHQ recorded Nov 5, 2026	51-200	165 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 · Nov 5, 2026 · View company records in RevenueBase
21	Meter Group	Exact match	Pullman, WA, United StatesHQ recorded Nov 5, 2026	201-500	161 contacts →
	Exact match “METER Group designs and manufactures scientific instrumentation that delivers real-time, environmental data to the agricultural, urban, and research sectors.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22	Quest Resource Management Group, A Qrhc Company Nasdaq Qrhc	Exact match	Irving, TX, United StatesHQ recorded Nov 5, 2026	51-200	156 contacts →
	Exact match “Quest Resource Management Group, a subsidiary of Quest Resource Holding Corporation (Nasdaq: QRHC), is a full-service environmental consulting and management company headquartered…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23	Touchstone IQ	Exact match	Denver, CO, United StatesHQ recorded Nov 5, 2026	51-200	153 contacts →
	Exact match “Touchstone IQ is a leading-edge building energy management software & services company.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24	Li-Cor	Exact match	Lincoln, NE, United StatesHQ recorded Nov 5, 2026	201-500	144 contacts →
	Exact match “LI-COR is a leader in environmental measurement and monitoring solutions.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25	Spheros Environmental	Exact match	Denver, WA, United StatesHQ recorded Nov 5, 2026	201-500	142 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 · Nov 5, 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 software companies”. 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 717 environmental software companies based in the United States

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Environmental software companies based in the United States at a glance

As of Nov 5, 2026

35.3%Verified-email coverage

37.1Average contacts per company

11-50Median size (employees)

3.6%Largest-city concentration · Houston

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

345

11-50

266

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 717 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 software companies” 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 9,380 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 5, 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 software companies by metro

Environmental software companies in Houston26

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 software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many environmental software companies are there based in the United States?

RevenueBase identified 717 company matches for environmental software companies 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?

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

Which city has the most environmental software companies?

Houston leads with 26 company records, followed by New York (18) and Austin (14).

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 9,380 professional contacts with verified work emails tracked across these 717 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 5, 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.