Company lists · Data refreshed November 2026

Top 25 Deionized water filter suppliers based in the United States

RevenueBase identified 307 company matches for deionized water filter suppliers associated with the United States as of November 2026 and tracks 3,733 professional contacts across them, including 911 with verified work emails. San Diego is the largest hub.

This list covers company matches for deionized water filter 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 November 5, 2026.

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

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 5, 2026 How this list was built
307Companies
3,733Contacts tracked
911Verified emails
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The 25 largest deionized water filter suppliers based in the United States

Ranked by team size
Top 25 of 307 company matches for deionized water filter suppliers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLombard, IL, United StatesHQ recorded Nov 5, 2026501-1,000279 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 · Nov 5, 2026 · View company records in RevenueBase
2Exact matchGlasgow, NY, United StatesHQ recorded Nov 5, 2026201-500193 contacts →

Exact match

“Graver Technologies, LLC serves the industrial filtration, separation and purification needs of companies around the globe.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchWaterford, WI, United StatesHQ recorded Nov 5, 2026201-500103 contacts →

Exact match

“Avidity Science launches its golden anniversary with a year-long celebration of achievements and milestones from the past 50 years.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchGraham, NC, United StatesHQ recorded Nov 5, 202651-200102 contacts →

Exact match

“Why Pureflow?”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchOxnard, CA, United StatesHQ recorded Nov 5, 202651-20092 contacts →

Exact match

“Puretec provides water treatment solutions that transform incoming city water into highly purified deionized water suitable for hundreds of industrial applications across dozens…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchMadison, WI, United StatesHQ recorded Nov 5, 202651-20083 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchTampa, FL, United StatesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
8Exact matchRacine, WI, United StatesHQ recorded Nov 5, 202651-20065 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 · Nov 5, 2026 · View company records in RevenueBase
9Exact matchDayton, OH, United StatesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
10Exact matchMorton Grove, IL, United StatesHQ recorded Nov 5, 202651-20046 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchArnold, MO, United StatesHQ recorded Nov 5, 202611-5044 contacts →

Exact match

“Absolute Water Technologies based in Indianapolis, Indiana with a service branch in St.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchCoatesville, PA, United StatesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
13Exact matchSouth Orange, NJ, United StatesHQ recorded Nov 5, 202611-5042 contacts →

Exact match

“Nephros is committed to improving the human relationship with water through leading, accessible technology.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchOmaha, NE, United StatesHQ recorded Nov 5, 202611-5042 contacts →

Exact match

“402-330-6440 Industrial Road,#106, Omaha, NE 68137 Since 1979, United Distributors, Inc.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchMooresville, NC, United StatesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
16Exact matchTemecula, CA, United StatesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
17Exact matchEaston Center, MA, United StatesHQ recorded Nov 5, 202651-20034 contacts →

Exact match

“Your water filtration partner.™ Bluedrop specializes in managed water filtration programs, still & sparkling water dispensing, commercial & industrial point-of-entry systems, high…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchWarwick, RI, United StatesHQ recorded Nov 5, 2026n/a30 contacts →

Exact match

“Commercial Water Filtration - Disinfection - Circulation Accessories Neptune Benson, Xylem has been synonymous with water filtration and disinfection serving the recreational…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchTampa, FL, United StatesHQ recorded Nov 5, 202611-5029 contacts →

Exact match

“Ashberry Water Conditioning has been providing water treatment services since 1947 to businesses, educational facilities, municipalities, and industries across the Florida region.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchBarrington, FL, United StatesHQ recorded Nov 5, 202611-5028 contacts →

Exact match

“In 1972, we at Angel Water, Inc.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchCity Of Industry, CA, United StatesHQ recorded Nov 5, 202651-20027 contacts →

Exact match

“APEC (Advanced Purification Engineering Corp.) is a leading solution provider for premium drinking and filtration systems in the United States.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchMissouri City, TX, United StatesHQ recorded Nov 5, 202611-5024 contacts →

Exact match

“With 25 years of experience in the industry, Waterworld USA is a premier manufacturer of water treatment and purification systems and equipment, encompassing a comprehensive range…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchCaldwell, ID, United StatesHQ recorded Nov 5, 202651-20023 contacts →

Exact match

“Omnipure filter company developed the world’s first disposable inline water filter in 1969 and brought a production model to market in 1970.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchTyngsboro, MA, United StatesHQ recorded Nov 5, 202611-5022 contacts →

Exact match

“Aqualite US is a family-owned business and operated by the Mesquita family.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchWaltham, MA, United StatesHQ recorded Nov 5, 202651-20021 contacts →

Exact match

“Formerly Atlas Watersystems, Inc, H2O Care Home is the leading water purification and filtration equipment and service provider in New England.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 307 deionized water filter suppliers based in the United States

See the full list, filter by size, metro and specialty, and access 911 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Deionized water filter suppliers based in the United States at a glance

As of Nov 5, 2026
24.4%Verified-email coverage
12.2Average contacts per company
11-50Median size (employees)
2.3%Largest-city concentration · San Diego
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
147
11-50
112
51-200
36
201-500
8
501-1,000
1
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 307 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 “deionized water filter 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 911 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 5, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

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 “deionized water filter suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many deionized water filter suppliers are there based in the United States?

RevenueBase identified 307 company matches for deionized water filter suppliers 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?

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

Which city has the most deionized water filter suppliers?

San Diego leads with 7 company records, followed by Anaheim (4) and Houston (4).

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 911 professional contacts with verified work emails tracked across these 307 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 5, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.