Company lists · Data refreshed November 2026
Top 25 Environmental tech companies based in the United States
RevenueBase identified 653 company matches for environmental tech companies associated with the United States as of November 2026 and tracks 23,700 professional contacts across them, including 7,045 with verified work emails. Houston is the largest hub.
This list covers company matches for environmental tech 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 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.
The 25 largest environmental tech companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 6, 2026 · View company records in RevenueBase | |||||
| 2 | 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 6, 2026 · View company records in RevenueBase | |||||
| 3 | 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 6, 2026 · View company records in RevenueBase | |||||
| 4 | 589 contacts → | ||||
Exact match “Watershed is the enterprise sustainability platform.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 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 6, 2026 · View company records in RevenueBase | |||||
| 6 | 335 contacts → | ||||
Exact match “Mesa Labs helps you monitor and maintain higher standards in any environment – from the air we breathe to the critical moments of life-saving care.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 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 6, 2026 · View company records in RevenueBase | |||||
| 8 | 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 6, 2026 · View company records in RevenueBase | |||||
| 9 | 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 6, 2026 · View company records in RevenueBase | |||||
| 10 | 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 6, 2026 · View company records in RevenueBase | |||||
| 11 | 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 6, 2026 · View company records in RevenueBase | |||||
| 12 | 204 contacts → | ||||
Exact match “YSI is the maker of environmental, laboratory, and municipal monitoring instruments, sensors, software, systems, and data collection platforms for water quality monitoring and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 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 6, 2026 · View company records in RevenueBase | |||||
| 14 | 188 contacts → | ||||
Exact match “Plateau Grp provides innovative and agile IT solutions to customer challenges.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 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 6, 2026 · View company records in RevenueBase | |||||
| 16 | 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 6, 2026 · View company records in RevenueBase | |||||
| 17 | 158 contacts → | ||||
Exact match “Established in 2019, Metiri Group has focused on using full-service environmental laboratories to deliver testing services to inform the decisions that improve the lives of people…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 144 contacts → | ||||
Exact match “LI-COR is a leader in environmental measurement and monitoring solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 127 contacts → | ||||
Exact match “Persefoni AI Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 124 contacts → | ||||
Exact match “Fuel Tech provides multi-pollutant emissions control and water treatment technologies using a cost-effective and sustainable approach.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 113 contacts → | ||||
Exact match “OTT HydroMet works to deliver customer outcomes by providing decision makers with vital insights they trust.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 99 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 93 contacts → | ||||
Exact match “Aerodyne Research, Inc.(ARI) provides research and development (R&D) services and advanced sensor and software products to industrial, academic and government customers addressing…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 91 contacts → | ||||
Exact match “Pulsora is a sustainability management platform that helps businesses simplify and consolidate complex ESG operations, processes, and data in one centralized hub.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 90 contacts → | ||||
Exact match “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.” Recorded in the RevenueBase company graph · Nov 6, 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 tech 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 653 environmental tech companies based in the United States
See the full list, filter by size, metro and specialty, and access 7,045 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Environmental tech companies based in the United States at a glance
As of Nov 6, 2026Companies by employee count
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 653 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 tech 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 7,045 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 “environmental tech companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many environmental tech companies are there based in the United States?
RevenueBase identified 653 company matches for environmental tech 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?
Sphera tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most environmental tech companies?
Houston leads with 24 company records, followed by New York (22) and San Francisco (18).
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 7,045 professional contacts with verified work emails tracked across these 653 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.
Ready to reach these companies? Verified emails and direct dials for all 653 environmental tech companies based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Environmental tech companies by geography
- Environmental tech companies based in Sao Paulo, Brazil
- Environmental tech companies based in Calgary, Canada
- Environmental tech companies based in Paris, France
- Environmental tech companies based in Bangalore, India
- Environmental tech companies based in Pune, India
- Environmental tech companies based in London, United Kingdom
- Environmental tech companies based in Argentina
- Environmental tech companies based in Australia
- Environmental tech companies based in Brazil
- Environmental tech companies based in Canada
- Environmental tech companies based in Chile
- Environmental tech companies based in Colombia
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Environmental tech companies based in Sao Paulo, Brazil
- Environmental tech companies based in Calgary, Canada
- Environmental tech companies based in Paris, France
- Environmental tech companies based in Bangalore, India
- Environmental tech companies based in Pune, India
- Environmental tech companies based in London, United Kingdom
Company intelligence · public preview
Top 25 environmental tech companies based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 653 matching company records for environmental tech companies based in the United States, with 23,700 tracked contacts and 7,045 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 environmental tech companies based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Spherasphera.comHQ: Chicago, IL, United StatesReported employees: 1,001-5,000 | Chicago, IL, United States | 1,001-5,000 | Exact match | 1,410 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Alliance Technical Groupalliancetg.comHQ: Decatur, PA, United StatesReported employees: 1,001-5,000 | Decatur, PA, United States | 1,001-5,000 | Exact match | 1,088 contacts → |
“Alliance is a new kind of environmental services company-powered by innovation, focused on service, and committed to client success.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Montrose Environmental Grouponterris.comHQ: Little Rock, AR, United StatesReported employees: 1,001-5,000 | Little Rock, AR, United States | 1,001-5,000 | Exact match | 861 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Watershedwatershed.comHQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 589 contacts → |
“Watershed is the enterprise sustainability platform.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  ACT Groupbrnw.chHQ: Amsterdam, NY, United StatesReported employees: 501-1,000 | Amsterdam, NY, United States | 501-1,000 | Exact match | 566 contacts → |
“Organizations come to ACT when a climate target, regulatory requirement, or emissions challenge needs a solution.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Mesa Laboratories, INCmesalabs.comHQ: Lakewood, CO, United StatesReported employees: 501-1,000 | Lakewood, CO, United States | 501-1,000 | Exact match | 335 contacts → |
“Mesa Labs helps you monitor and maintain higher standards in any environment – from the air we breathe to the critical moments of life-saving care.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Picarropicarro.comHQ: Santa Clara, CA, United StatesReported employees: 201-500 | Santa Clara, CA, United States | 201-500 | Exact match | 335 contacts → |
“Reducing emissions, detecting leaks, mitigating risk, optimizing operations, ensuring compliance and advancing research are some of the challenges facing our clients.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Cimarroncimarron.comHQ: Houston, OK, United StatesReported employees: 501-1,000 | Houston, OK, United States | 501-1,000 | Exact match | 319 contacts → |
“With decades of operating history and innovation across our trusted brands, Cimarron provides technology-driven emissions management solutions for the global energy system.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Opus Inspection Technologiesapplustech.comHQ: Brookfield, WI, United StatesReported employees: 201-500 | Brookfield, WI, United States | 201-500 | Exact match | 279 contacts → |
“Opus Inspection Technologies is a leader in developing, implementing and managing innovative technology and system solutions that enable customers worldwide to address their…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Environmental Works, INCenvironmentalworks.comHQ: Springfield, AR, United StatesReported employees: 201-500 | Springfield, AR, United States | 201-500 | Exact match | 245 contacts → |
“Environmental Works, Inc.(EWI) offers truly comprehensive environmental solutions for a variety of industries, businesses, and municipalities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  ARQarq.comHQ: Greenwood Village, CO, United StatesReported employees: 201-500 | Greenwood Village, CO, United States | 201-500 | Exact match | 245 contacts → |
“Arq is a diversified, environmental technology company with products that enable a cleaner and safer planet while actively reducing our environmental impact.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Ysi, INCysi.comHQ: Yellow Springs, OH, United StatesReported employees: 201-500 | Yellow Springs, OH, United States | 201-500 | Exact match | 204 contacts → |
“YSI is the maker of environmental, laboratory, and municipal monitoring instruments, sensors, software, systems, and data collection platforms for water quality monitoring and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  APPLapplinc.comHQ: Clovis, CA, United StatesReported employees: Not recorded | Clovis, CA, United States | Not recorded | Exact match | 201 contacts → |
“Appl Inc is an environmental services company based out of 908 N Temperance Ave, Clovis, CA, United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Plateau GRPplateaugrp.comHQ: Fairfax, WA, United StatesReported employees: 51-200 | Fairfax, WA, United States | 51-200 | Exact match | 188 contacts → |
“Plateau Grp provides innovative and agile IT solutions to customer challenges.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Earthsoftearthsoft.comHQ: Pensacola, FL, United StatesReported employees: 51-200 | Pensacola, FL, United States | 51-200 | Exact match | 178 contacts → |
“EarthSoft is the recognized leader in providing environmental and geotechnical data management and decision support systems for industrial organizations, government agencies…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Meter Groupmetergroup.comHQ: Pullman, WA, United StatesReported employees: 201-500 | Pullman, WA, United States | 201-500 | Exact match | 161 contacts → |
“METER Group designs and manufactures scientific instrumentation that delivers real-time, environmental data to the agricultural, urban, and research sectors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Metiri Groupmetirigroup.comHQ: Geneva, IL, United StatesReported employees: 201-500 | Geneva, IL, United States | 201-500 | Exact match | 158 contacts → |
“Established in 2019, Metiri Group has focused on using full-service environmental laboratories to deliver testing services to inform the decisions that improve the lives of people…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Li-Corlicor.comHQ: Lincoln, NE, United StatesReported employees: 201-500 | Lincoln, NE, United States | 201-500 | Exact match | 144 contacts → |
“LI-COR is a leader in environmental measurement and monitoring solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Persefonipersefoni.comHQ: Mesa, AZ, United StatesReported employees: 201-500 | Mesa, AZ, United States | 201-500 | Exact match | 127 contacts → |
“Persefoni AI Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Fuel Tech, INCftek.comHQ: Warrenville, IL, United StatesReported employees: 51-200 | Warrenville, IL, United States | 51-200 | Exact match | 124 contacts → |
“Fuel Tech provides multi-pollutant emissions control and water treatment technologies using a cost-effective and sustainable approach.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | OTT Hydrometotthydromet.com HQ: Sterling, VA, United StatesReported employees: 201-500 | Sterling, VA, United States | 201-500 | Exact match | 113 contacts → |
“OTT HydroMet works to deliver customer outcomes by providing decision makers with vital insights they trust.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Locus Technologieslocustec.comHQ: Mountain View, CA, United StatesReported employees: 51-200 | Mountain View, CA, United States | 51-200 | Exact match | 99 contacts → |
“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…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Aerodyne Researchaerodyne.comHQ: Billerica, MA, United StatesReported employees: 51-200 | Billerica, MA, United States | 51-200 | Exact match | 93 contacts → |
“Aerodyne Research, Inc.(ARI) provides research and development (R&D) services and advanced sensor and software products to industrial, academic and government customers addressing…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Pulsorapulsora.comHQ: San Mateo, CA, United StatesReported employees: 51-200 | San Mateo, CA, United States | 51-200 | Exact match | 91 contacts → |
“Pulsora is a sustainability management platform that helps businesses simplify and consolidate complex ESG operations, processes, and data in one centralized hub.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Encampencamp.comHQ: Indianapolis, IN, United StatesReported employees: 51-200 | Indianapolis, IN, United States | 51-200 | Exact match | 90 contacts → |
“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.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 653 company matches
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Environmental tech companies: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
651 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 653 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for environmental tech companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many environmental tech companies did RevenueBase find based in the United States?
The saved snapshot records 653 matching company records, 23,700 tracked contacts and 7,045 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Environmental tech companies by geography
- Environmental tech companies based in Sao Paulo, Brazil
- Environmental tech companies based in Calgary, Canada
- Environmental tech companies based in Paris, France
- Environmental tech companies based in Bangalore, India
- Environmental tech companies based in Pune, India
- Environmental tech companies based in London, United Kingdom
- Environmental tech companies based in Argentina
- Environmental tech companies based in Australia
- Environmental tech companies based in Brazil
- Environmental tech companies based in Canada
- Environmental tech companies based in Chile
- Environmental tech companies based in Colombia
Cite this list
RevenueBase Data Team. Top 25 environmental tech companies based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/environmental-tech-companies/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Environmental tech companies based in Sao Paulo, Brazil
- Environmental tech companies based in Calgary, Canada
- Environmental tech companies based in Paris, France
- Environmental tech companies based in Bangalore, India
- Environmental tech companies based in Pune, India
- Environmental tech companies based in London, United Kingdom
Company intelligence · public preview
Top 25 environmental tech companies based in the United States
RevenueBase records 653 matching company records for environmental tech companies based in the United States, with 23,700 tracked contacts and 7,045 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 environmental tech companies based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Spherasphera.com HQ: Chicago, IL, United StatesReported employees: 1,001-5,000 | Chicago, IL, United States | 1,001-5,000 | Exact match | 1,410 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Alliance Technical Groupalliancetg.com HQ: Decatur, PA, United StatesReported employees: 1,001-5,000 | Decatur, PA, United States | 1,001-5,000 | Exact match | 1,088 contacts → |
“Alliance is a new kind of environmental services company-powered by innovation, focused on service, and committed to client success.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Montrose Environmental Grouponterris.com HQ: Little Rock, AR, United StatesReported employees: 1,001-5,000 | Little Rock, AR, United States | 1,001-5,000 | Exact match | 861 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Watershedwatershed.com HQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 589 contacts → |
“Watershed is the enterprise sustainability platform.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | ACT Groupbrnw.ch HQ: Amsterdam, NY, United StatesReported employees: 501-1,000 | Amsterdam, NY, United States | 501-1,000 | Exact match | 566 contacts → |
“Organizations come to ACT when a climate target, regulatory requirement, or emissions challenge needs a solution.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Mesa Laboratories, INCmesalabs.com HQ: Lakewood, CO, United StatesReported employees: 501-1,000 | Lakewood, CO, United States | 501-1,000 | Exact match | 335 contacts → |
“Mesa Labs helps you monitor and maintain higher standards in any environment – from the air we breathe to the critical moments of life-saving care.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Picarropicarro.com HQ: Santa Clara, CA, United StatesReported employees: 201-500 | Santa Clara, CA, United States | 201-500 | Exact match | 335 contacts → |
“Reducing emissions, detecting leaks, mitigating risk, optimizing operations, ensuring compliance and advancing research are some of the challenges facing our clients.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Cimarroncimarron.com HQ: Houston, OK, United StatesReported employees: 501-1,000 | Houston, OK, United States | 501-1,000 | Exact match | 319 contacts → |
“With decades of operating history and innovation across our trusted brands, Cimarron provides technology-driven emissions management solutions for the global energy system.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Opus Inspection Technologiesapplustech.com HQ: Brookfield, WI, United StatesReported employees: 201-500 | Brookfield, WI, United States | 201-500 | Exact match | 279 contacts → |
“Opus Inspection Technologies is a leader in developing, implementing and managing innovative technology and system solutions that enable customers worldwide to address their…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Environmental Works, INCenvironmentalworks.com HQ: Springfield, AR, United StatesReported employees: 201-500 | Springfield, AR, United States | 201-500 | Exact match | 245 contacts → |
“Environmental Works, Inc.(EWI) offers truly comprehensive environmental solutions for a variety of industries, businesses, and municipalities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | ARQarq.com HQ: Greenwood Village, CO, United StatesReported employees: 201-500 | Greenwood Village, CO, United States | 201-500 | Exact match | 245 contacts → |
“Arq is a diversified, environmental technology company with products that enable a cleaner and safer planet while actively reducing our environmental impact.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Ysi, INCysi.com HQ: Yellow Springs, OH, United StatesReported employees: 201-500 | Yellow Springs, OH, United States | 201-500 | Exact match | 204 contacts → |
“YSI is the maker of environmental, laboratory, and municipal monitoring instruments, sensors, software, systems, and data collection platforms for water quality monitoring and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | APPLapplinc.com HQ: Clovis, CA, United StatesReported employees: Not recorded | Clovis, CA, United States | Not recorded | Exact match | 201 contacts → |
“Appl Inc is an environmental services company based out of 908 N Temperance Ave, Clovis, CA, United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Plateau GRPplateaugrp.com HQ: Fairfax, WA, United StatesReported employees: 51-200 | Fairfax, WA, United States | 51-200 | Exact match | 188 contacts → |
“Plateau Grp provides innovative and agile IT solutions to customer challenges.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Earthsoftearthsoft.com HQ: Pensacola, FL, United StatesReported employees: 51-200 | Pensacola, FL, United States | 51-200 | Exact match | 178 contacts → |
“EarthSoft is the recognized leader in providing environmental and geotechnical data management and decision support systems for industrial organizations, government agencies…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Meter Groupmetergroup.com HQ: Pullman, WA, United StatesReported employees: 201-500 | Pullman, WA, United States | 201-500 | Exact match | 161 contacts → |
“METER Group designs and manufactures scientific instrumentation that delivers real-time, environmental data to the agricultural, urban, and research sectors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Metiri Groupmetirigroup.com HQ: Geneva, IL, United StatesReported employees: 201-500 | Geneva, IL, United States | 201-500 | Exact match | 158 contacts → |
“Established in 2019, Metiri Group has focused on using full-service environmental laboratories to deliver testing services to inform the decisions that improve the lives of people…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Li-Corlicor.com HQ: Lincoln, NE, United StatesReported employees: 201-500 | Lincoln, NE, United States | 201-500 | Exact match | 144 contacts → |
“LI-COR is a leader in environmental measurement and monitoring solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Persefonipersefoni.com HQ: Mesa, AZ, United StatesReported employees: 201-500 | Mesa, AZ, United States | 201-500 | Exact match | 127 contacts → |
“Persefoni AI Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Fuel Tech, INCftek.com HQ: Warrenville, IL, United StatesReported employees: 51-200 | Warrenville, IL, United States | 51-200 | Exact match | 124 contacts → |
“Fuel Tech provides multi-pollutant emissions control and water treatment technologies using a cost-effective and sustainable approach.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | OTT Hydrometotthydromet.com HQ: Sterling, VA, United StatesReported employees: 201-500 | Sterling, VA, United States | 201-500 | Exact match | 113 contacts → |
“OTT HydroMet works to deliver customer outcomes by providing decision makers with vital insights they trust.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Locus Technologieslocustec.com HQ: Mountain View, CA, United StatesReported employees: 51-200 | Mountain View, CA, United States | 51-200 | Exact match | 99 contacts → |
“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…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Aerodyne Researchaerodyne.com HQ: Billerica, MA, United StatesReported employees: 51-200 | Billerica, MA, United States | 51-200 | Exact match | 93 contacts → |
“Aerodyne Research, Inc.(ARI) provides research and development (R&D) services and advanced sensor and software products to industrial, academic and government customers addressing…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Pulsorapulsora.com HQ: San Mateo, CA, United StatesReported employees: 51-200 | San Mateo, CA, United States | 51-200 | Exact match | 91 contacts → |
“Pulsora is a sustainability management platform that helps businesses simplify and consolidate complex ESG operations, processes, and data in one centralized hub.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Encampencamp.com HQ: Indianapolis, IN, United StatesReported employees: 51-200 | Indianapolis, IN, United States | 51-200 | Exact match | 90 contacts → |
“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.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 653 company matches
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Environmental tech companies: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
651 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 653 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for environmental tech companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many environmental tech companies did RevenueBase find based in the United States?
The saved snapshot records 653 matching company records, 23,700 tracked contacts and 7,045 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Environmental tech companies by geography
- Environmental tech companies based in Sao Paulo, Brazil
- Environmental tech companies based in Calgary, Canada
- Environmental tech companies based in Paris, France
- Environmental tech companies based in Bangalore, India
- Environmental tech companies based in Pune, India
- Environmental tech companies based in London, United Kingdom
- Environmental tech companies based in Argentina
- Environmental tech companies based in Australia
- Environmental tech companies based in Brazil
- Environmental tech companies based in Canada
- Environmental tech companies based in Chile
- Environmental tech companies based in Colombia
Cite this list
RevenueBase Data Team. Top 25 environmental tech companies based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/environmental-tech-companies/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
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- Environmental tech companies based in Sao Paulo, Brazil
- Environmental tech companies based in Calgary, Canada
- Environmental tech companies based in Paris, France
- Environmental tech companies based in Bangalore, India
- Environmental tech companies based in Pune, India
- Environmental tech companies based in London, United Kingdom