Company lists · Data refreshed November 2026

Top 25 Membrane filtration system contractors based in the United States

RevenueBase identified 573 company matches for membrane filtration system contractors associated with the United States as of November 2026 and tracks 4,871 professional contacts across them, including 1,533 with verified work emails. Houston is the largest hub.

This list covers company matches for membrane filtration system contractors 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
573Companies
4,871Contacts tracked
1,533Verified emails
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The 25 largest membrane filtration system contractors based in the United States

Ranked by team size
Top 25 of 573 company matches for membrane filtration system contractors based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchAuburn, WA, United StatesHQ recorded Nov 6, 2026501-1,000179 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 · Nov 6, 2026 · View company records in RevenueBase
2Exact matchAustin, TX, United StatesHQ recorded Nov 6, 202651-200118 contacts →

Exact match

“We make water better.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchWest Haven, CT, United StatesHQ recorded Nov 6, 202651-200106 contacts →

Exact match

“KX Technologies is your Global Filtration Partner.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchGraham, NC, United StatesHQ recorded Nov 6, 202651-200102 contacts →

Exact match

“Why Pureflow?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchTampa, FL, United StatesHQ recorded Nov 6, 2026201-50081 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 · Nov 6, 2026 · View company records in RevenueBase
6Exact matchMinneapolis, MN, United StatesHQ recorded Nov 6, 202651-20075 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 · Nov 6, 2026 · View company records in RevenueBase
7Exact matchMarshfield, WI, United StatesHQ recorded Nov 6, 202611-5072 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 · Nov 6, 2026 · View company records in RevenueBase
8Exact matchPlant City, FL, United StatesHQ recorded Nov 6, 202651-20067 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 · Nov 6, 2026 · View company records in RevenueBase
9Exact matchCanonsburg, PA, United StatesHQ recorded Nov 6, 202651-20065 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 · Nov 6, 2026 · View company records in RevenueBase
10Exact matchDayton, OH, United StatesHQ recorded Nov 6, 202651-20064 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 · Nov 6, 2026 · View company records in RevenueBase
11Exact matchLivermore, CA, United StatesHQ recorded Nov 6, 202651-20055 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchAuburn, WA, United StatesHQ recorded Nov 6, 202611-5052 contacts →

Exact match

“Sterlitech Sterlitech Corporation’s portfolio covers an array of unparalleled filtration products designed to push the boundaries of: Execution of routine methods Membrane…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202651-20051 contacts →

Exact match

“Since 1987, Filtration Technology Corporation® (FTC) has built a reputation for developing and delivering innovative products at the forefront of filtration technology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchLoves Park, IL, United StatesHQ recorded Nov 6, 202651-20048 contacts →

Exact match

“WaterSurplus is a leader in sustainable water treatment, delivering high-performance solutions across industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchCoatesville, PA, United StatesHQ recorded Nov 6, 202651-20044 contacts →

Exact match

“Roberts Filter Group is the largest family-owned water filtration company in the United States, with more than installations across five continents.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSouthfield, MI, United StatesHQ recorded Nov 6, 202651-20042 contacts →

Exact match

“The world of industrial filtration is constantly evolving alongside the industries that rely on it.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchMooresville, NC, United StatesHQ recorded Nov 6, 202651-20041 contacts →

Exact match

“Amiad USA, Aslan technologies and PEP Filters are the North American subsidiaries of Amiad Water Systems, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchTemecula, CA, United StatesHQ recorded Nov 6, 202651-20041 contacts →

Exact match

“AXEON Water Technologies is a manufacturer and distributor of membrane filtration systems, components, and services for industrial, commercial and residential applications.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchNew Castle, DE, United StatesHQ recorded Nov 6, 202611-5040 contacts →

Exact match

“We design and manufacture membranes that makes industrial separations more efficient and practical.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchHendersonville, TN, United StatesHQ recorded Nov 6, 202611-5038 contacts →

Exact match

“Plumber's Choice offers professional contractors the opportunity to expand their business and improve their bottom line with water treatment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSandy, UT, United StatesHQ recorded Nov 6, 202651-20038 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSan Diego, CA, United StatesHQ recorded Nov 6, 202651-20038 contacts →

Exact match

“Welcome to Rayne Water, your one-stop solution for residential and commercial water treatment systems since 1928.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchBaton Rouge, LA, United StatesHQ recorded Nov 6, 202651-20036 contacts →

Exact match

“Air-Nu has been in the filtration business for over 30 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchBaton Rouge, LA, United StatesHQ recorded Nov 6, 202611-5036 contacts →

Exact match

“AST is the world leader in bead filter technology and design.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchCockeysville, VA, United StatesHQ recorded Nov 6, 202611-5030 contacts →

Exact match

“Company Overview: Carroll Water Systems has been locally owned and operated since 1983.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 573 membrane filtration system contractors based in the United States

See the full list, filter by size, metro and specialty, and access 1,533 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Membrane filtration system contractors based in the United States at a glance

As of Nov 6, 2026
31.5%Verified-email coverage
8.5Average contacts per company
1-10Median size (employees)
2.4%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
286
11-50
212
51-200
54
201-500
10
501-1,000
1
1,001-5,000
2
10001+
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 573 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 system contractors” 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 1,533 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 “membrane filtration system contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many membrane filtration system contractors are there based in the United States?

RevenueBase identified 573 company matches for membrane filtration system contractors 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?

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

Which city has the most membrane filtration system contractors?

Houston leads with 14 company records, followed by Austin (6) and San Diego (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 1,533 professional contacts with verified work emails tracked across these 573 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.

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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.