Company lists · Data refreshed September 2026

Top 25 Membrane filtration plant builders based in the United States

RevenueBase identified 436 company matches for membrane filtration plant builders associated with the United States as of September 2026 and tracks 7,681 professional contacts across them, including 2,606 with verified work emails. Houston is the largest hub.

This list covers company matches for membrane filtration plant builders 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 September 20, 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 Sep 20, 2026 How this list was built
436Companies
7,681Contacts tracked
2,606Verified emails
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The 25 largest membrane filtration plant builders based in the United States

Ranked by team size
Top 25 of 436 company matches for membrane filtration plant builders based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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 matchCanonsburg, PA, United StatesHQ recorded Sep 20, 2026501-1,000903 contacts →

Exact match

“Aquatech enables the world's most recognized companies to solve complex challenges in water reuse, desalination, minimal and zero liquid discharge, and critical minerals…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchSalt Lake City, UT, United StatesHQ recorded Sep 20, 2026501-1,000554 contacts →

Exact match

“WesTech Engineering, LLC designs, engineers, and manufactures water and wastewater treatment process equipment for mineral, industrial, and municipal applications worldwide.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchLombard, IL, United StatesHQ recorded Sep 20, 2026501-1,000265 contacts →

Exact match

“Culligan has over 80 years of experience in the design and distribution of water treatment systems for residential, commercial and industrial applications.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchCoraopolis, PA, United StatesHQ recorded Sep 20, 2026201-500185 contacts →

Exact match

“Newterra designs, engineers, manufactures, and services environmental, water and wastewater treatment solutions that assure great performance, superb reliability, and the highest…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchAuburn, WA, United StatesHQ recorded Sep 20, 2026501-1,000168 contacts →

Exact match

“Membrane Solutions, founded in 2006 in Seattle, USA, is a world-renowned supplier of membrane filtration products.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchKnoxville, TN, United StatesHQ recorded Sep 20, 2026201-500152 contacts →

Exact match

“Aqua-Chem is the leader in providing Global Water Solutions.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchWest Haven, CT, United StatesHQ recorded Sep 20, 202651-200102 contacts →

Exact match

“KX Technologies is your Global Filtration Partner.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchGraham, NC, United StatesHQ recorded Sep 20, 202651-20094 contacts →

Exact match

“Why Pureflow?”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchAustin, TX, United StatesHQ recorded Sep 20, 202651-20086 contacts →

Exact match

“We make water better.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchBuffalo, NY, United StatesHQ recorded Sep 20, 202651-20082 contacts →

Exact match

“At SAMCO Technologies, Inc, we provide cutting-edge water, wastewater, and process separation solutions for some of the world’s most demanding industries, including power…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchCleveland, OH, United StatesHQ recorded Sep 20, 202611-5080 contacts →

Exact match

“Water and Wastewater Equipment Company has been providing efficient, cost-effective and compliant solutions to water and wastewater treatment applications for over 30 years.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchFresno, CA, United StatesHQ recorded Sep 20, 202651-20073 contacts →

Exact match

“In 1972, LAKOS was founded on the belief that filtering water should be simple – both for the people who operate filtration equipment and the environment.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchTampa, FL, United StatesHQ recorded Sep 20, 2026201-50073 contacts →

Exact match

“Paragon Water Systems partners with appliance brands, foodservice operators, and industrial companies that require a reliable, scalable ODM/OEM water filtration manufacturer.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchMarshfield, WI, United StatesHQ recorded Sep 20, 202611-5062 contacts →

Exact match

“We design and manufacture a full line of components for our membrane filtration & wastewater systems.Together with our fabrication and installation partners around the world we…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchRacine, WI, United StatesHQ recorded Sep 20, 202651-20062 contacts →

Exact match

“For 50 years, Marlo Incorporated has engineered and manufactured high quality water treatment equipment for a wide variety of residential, commercial, and industrial applications.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchWaltham, MA, United StatesHQ recorded Sep 20, 202651-20062 contacts →

Exact match

“At Nanostone Water, we believe in economically solving the world's water needs.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchMinneapolis, MN, United StatesHQ recorded Sep 20, 202651-20062 contacts →

Exact match

“Founded in 1965, Wigen Water Technologies® is a global leader in the production of custom water treatment systems, specializing in cost-effective and reliable solutions for…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchPlant City, FL, United StatesHQ recorded Sep 20, 202651-20061 contacts →

Exact match

“American Water Chemicals® (AWC) was created in 1993 by a group of membrane desalination experts in response to the demand for more reliable water treatment chemicals and…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchCanonsburg, PA, United StatesHQ recorded Sep 20, 202651-20061 contacts →

Exact match

“QUA®, with our headquarters in the USA, develops, manufactures and markets advanced membrane products for water, waste water and water reuse applications to leading OEM's…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchCanton, MA, United StatesHQ recorded Sep 20, 202651-20060 contacts →

Exact match

“EMCO Group is a well-established company with over 44 years of experience in the water and wastewater treatment industry.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchDayton, OH, United StatesHQ recorded Sep 20, 202651-20059 contacts →

Exact match

“AmeriWater is the recognized specialist in the design, manufacturing, installation and supply of water treatment equipment and services.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchEverett, WA, United StatesHQ recorded Sep 20, 202611-5059 contacts →

Exact match

“Established in WaterTectonics designs, manufactures, deploys and services integrated water treatment solutions for clients in oil & gas, mining, industrial and construction…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchBakersfield, CA, United StatesHQ recorded Sep 20, 202651-20054 contacts →

Exact match

“Clear Creek Systems is a leading provider of water treatment systems and services.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchMorton Grove, IL, United StatesHQ recorded Sep 20, 202651-20051 contacts →

Exact match

“No matter what your water problem, Charger Water Treatment Products has a solution.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchLivermore, CA, United StatesHQ recorded Sep 20, 202651-20051 contacts →

Exact match

“Manufacturer of a complete line of water treatment systems for homes and businesses.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 436 membrane filtration plant builders based in the United States

See the full list, filter by size, metro and specialty, and access 2,606 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Membrane filtration plant builders based in the United States at a glance

As of Sep 20, 2026
33.9%Verified-email coverage
17.6Average contacts per company
11-50Median size (employees)
2.3%Largest-city concentration · Houston
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
170
11-50
170
51-200
66
201-500
17
501-1,000
6
1,001-5,000
2
10001+
2

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 436 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 “membrane filtration plant builders” 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 2,606 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 September 20, 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 “membrane filtration plant builders”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many membrane filtration plant builders are there based in the United States?

RevenueBase identified 436 company matches for membrane filtration plant builders associated with the United States as of September 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?

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

Which city has the most membrane filtration plant builders?

Houston leads with 10 company records, followed by Salt Lake City (6) and Tampa (6).

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 2,606 professional contacts with verified work emails tracked across these 436 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 September 20, 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.