Company lists · Data refreshed October 2026

Top 25 Nitrification/denitrification (denox) system suppliers based in the United States

RevenueBase identified 113 company matches for nitrification/denitrification (denox) system suppliers associated with the United States as of October 2026 and tracks 1,896 professional contacts across them, including 736 with verified work emails. Charlotte is the largest hub.

This list covers company matches for nitrification/denitrification (denox) system suppliers associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 28, 2026 How this list was built
113Companies
1,896Contacts tracked
736Verified emails
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The 25 largest nitrification/denitrification (denox) system suppliers based in the United States

Ranked by team size
Top 25 of 113 company matches for nitrification/denitrification (denox) system suppliers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 28, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchOld Saybrook, CT, United StatesHQ recorded Oct 28, 2026501-1,000297 contacts →

Exact match

“Protecting the environment with innovative wastewater treatment solutions for over 35 years, Infiltrator is the leading manufacturer of onsite wastewater treatment products in…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
2Exact matchLenexa, KS, United StatesHQ recorded Oct 28, 2026201-500173 contacts →

Exact match

“S&L delivers long-lasting, reliable and easy-to-operate wastewater pumping and treatment systems for municipal, federal, and industrial-commercial applications.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
3Exact matchSutherlin, OR, United StatesHQ recorded Oct 28, 2026201-500173 contacts →

Exact match

“Nobody wants to worry about whether their wastewater is contaminating nearby rivers, streams, and wells.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
4Exact matchAnaheim, CA, United StatesHQ recorded Oct 28, 202651-200131 contacts →

Exact match

“Tomorrow Water is an innovative environmental solutions company specializing in both wastewater and organic waste treatment.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
5Exact matchOklahoma City, OK, United StatesHQ recorded Oct 28, 202651-20098 contacts →

Exact match

“At World Water Works, we strive to provide industrial and municipal customers with proven and cost-effective wastewater treatment solutions that deliver superior effluent quality.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
6Exact matchGardena, CA, United StatesHQ recorded Oct 28, 202651-20088 contacts →

Exact match

“Did you know you can remove up to 98% of contaminants from industrial wastewater while shrinking your chemical spend and footprint?”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
7Exact matchColumbia, MO, United StatesHQ recorded Oct 28, 2026201-50087 contacts →

Exact match

“Environmental Dynamics International (EDI) specializes in the research, development and application of advanced technology aeration and biological treatment solutions.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
8Exact matchMonroe, MI, United StatesHQ recorded Oct 28, 202651-20048 contacts →

Exact match

“Monroe Environmental is a premier provider of water/wastewater treatment and air pollution control systems and services in the United States and throughout the world.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
9Exact matchLudington, MI, United StatesHQ recorded Oct 28, 202651-20040 contacts →

Exact match

“The Leading Manufacturer of Reliable Rental, New and Used, Environmental Remediation Treatment Systems and Services to Consultants and their Clients and… The National Leader in…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
10Exact matchPocasset, MA, United StatesHQ recorded Oct 28, 202611-5032 contacts →

Exact match

“Since 2003, Environmental Operating Solutions, Inc.(EOSi) has been committed to “Empowering Clean Water” and has led the industry in helping its customers to comply with…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
11Exact matchSandy, UT, United StatesHQ recorded Oct 28, 202611-5031 contacts →

Exact match

“ClearStream Environmental engineers high-performance water and wastewater treatment solutions for municipal and industrial applications.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
12Exact matchCentennial, CO, United StatesHQ recorded Oct 28, 202611-5030 contacts →

Exact match

“At Triplepoint Environmental, we believe lagoons do it better.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
13Exact matchLouisville, KY, United StatesHQ recorded Oct 28, 202611-5026 contacts →

Exact match

“Hydro Solutions, Inc, a multi-million dollar company, was founded in 1993 to focus on developing a nationwide business which specializes in providing engineered solutions for…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
14Exact matchSlater, IA, United StatesHQ recorded Oct 28, 202611-5023 contacts →

Exact match

“Gross-Wen Technologies uses its patented wastewater treatment technology, known as the revolving algal biofilm system (RAB), to cost-effectively recover nutrients such as nitrogen…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
15Exact matchChanhassen, MN, United StatesHQ recorded Oct 28, 2026201-50021 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
16Exact matchRock Hill, SC, United StatesHQ recorded Oct 28, 20261,001-5,00021 contacts →

Exact match

“MacDermid Envio Solutions (MES) is a business focused on delivering wastewater treatment systems, water and metal recycling, wastewater treatment chemistry and technical services…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
17Exact matchCleveland, OH, United StatesHQ recorded Oct 28, 202611-5019 contacts →

Exact match

“If you want to experience honest, dependable, responsive, service-oriented wastewater treatment specialists, you want Jet - a company founded on innovation and anchored by service.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
18Exact matchAlpharetta, GA, United StatesHQ recorded Oct 28, 202611-5018 contacts →

Exact match

“Ecologix was founded over a decade ago with a simple vision: recruit the best people, acquire the best tools, provide an “A-class” working environment, and continually deliver…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
19Exact matchRockledge, United StatesHQ recorded Oct 28, 202651-20016 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
20Exact matchBurlington, NJ, United StatesHQ recorded Oct 28, 202611-5015 contacts →

Exact match

“Dynatec is an industry leader in providing membrane based wastewater treatment systems for over thirty five years in industrial and municipal applications.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
21Exact matchNew Bedford, MA, United StatesHQ recorded Oct 28, 202611-5014 contacts →

Exact match

“For over 25 years, AquaPoint’s team of environmental and process engineers, utility professionals, freshwater ecologists, certified soil evaluators, licensed contractors and…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
22Exact matchSeattle, WA, United StatesHQ recorded Oct 28, 202611-5013 contacts →

Exact match

“Sustainable Water Infrastructure Group, LLC (SWIG) designs, builds, finances and operates innovative nutrient removal systems to restore and protect nutrient-impaired waters from…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
23Exact matchPortsmouth, RI, United StatesHQ recorded Oct 28, 202651-20013 contacts →

Exact match

“Water Treatment Solutions At bioprocessH2O, we specialize in designing, manufacturing, and assembling advanced water and wastewater treatment systems tailored to your specific…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
24Exact matchManhattan, KS, United StatesHQ recorded Oct 28, 202611-5013 contacts →

Exact match

“Aero Mod Inc is a manufacturer of package waste water treatment systems based out of Manhattan, Kansas, United States.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
25Exact matchMonongahela, PA, United StatesHQ recorded Oct 28, 202611-5013 contacts →

Exact match

“Chemco Systems has been engineering and manufacturing custom environmental, water treatment, and air pollution systems for a wide variety of industries since 1980.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase

Showing 25 of 113 nitrification/denitrification (denox) system suppliers based in the United States

See the full list, filter by size, metro and specialty, and access 736 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Nitrification/denitrification (denox) system suppliers based in the United States at a glance

As of Oct 28, 2026
38.8%Verified-email coverage
16.8Average contacts per company
11-50Median size (employees)
2.7%Largest-city concentration · Charlotte
Oct 28, 2026Page data refreshed

Companies by employee count

1-10
43
11-50
50
51-200
10
201-500
7
501-1,000
1
1,001-5,000
1
5,001-10,000
1

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 113 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 “nitrification/denitrification (denox) system suppliers” 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 736 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on October 28, 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 “nitrification/denitrification (denox) system suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many nitrification/denitrification (denox) system suppliers are there based in the United States?

RevenueBase identified 113 company matches for nitrification/denitrification (denox) system suppliers associated with the United States as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Infiltrator Water Technologies Decentralized Wastewater Treatment Solutions tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most nitrification/denitrification (denox) system suppliers?

Charlotte leads with 3 company records, followed by Cleveland (3) and Cedar Falls (2).

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 736 professional contacts with verified work emails tracked across these 113 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 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 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.