Company lists · Data refreshed November 2026

Top 23 Water filtration & purification system suppliers based in the United States

Name: Water filtration & purification system suppliers based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 3, 2026 1,940 companies tracked

RevenueBase identified 1,940 company matches for water filtration & purification system suppliers associated with the United States as of November 2026 and tracks 31,192 professional contacts across them, including 9,306 with verified work emails. Houston is the largest hub.

This list covers company matches for water filtration & purification 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 November 3, 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 3, 2026 How this list was built

1,940Companies

31,192Contacts tracked

9,306Verified emails

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The 23 largest water filtration & purification system suppliers based in the United States

Ranked by team size

Top 23 of 1,940 company matches for water filtration & purification system suppliers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 3, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Pall Corporation	Exact match	Port Washington, NY, United StatesHQ recorded Nov 3, 2026	5,001-10,000	4,765 contacts →
	Exact match “Our global associates are unified by a singular drive: to take on our customers’ biggest challenges.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
2	NCH	Exact match	Wilmington, DE, United StatesHQ recorded Nov 3, 2026	10001+	2,563 contacts →
	Exact match “Cleaning water, conserving energy and delivering maintenance solutions since 1919.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
3	Zurn Elkay Water Solutions	Exact match	Milwaukee, TX, United StatesHQ recorded Nov 3, 2026	1,001-5,000	1,210 contacts →
	Exact match “Zurn Elkay Water Solutions supplies the industry’s widest range of clean water solutions for drinking water, hygiene and sustainable water management.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
4	AERUS	Exact match	Dallas, VA, United StatesHQ recorded Nov 3, 2026	1,001-5,000	357 contacts →
	Exact match “Aerus has a rich history dating back to 1924 and is known for excellence in our innovative technologies, unmatched service, and endless accomplishments.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
5	Tencarva Machinery Company	Exact match	Greensboro, NC, United StatesHQ recorded Nov 3, 2026	201-500	297 contacts →
	Exact match “Tencarva Machinery Company is a trusted equipment distributor, engineering and design partner, ISO 9001 manufacturer, and full-service repair provider serving industrial and…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
6	Packard Culligan Water	Exact match	Minnetonka, MO, United StatesHQ recorded Nov 3, 2026	501-1,000	286 contacts →
	Exact match “Packard Culligan Water is a family-owned company with values based on relationships, unity, listening, and leading locally.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
7	Culligan By Waterco	Exact match	Lombard, IL, United StatesHQ recorded Nov 3, 2026	501-1,000	279 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 3, 2026 · View company records in RevenueBase
8	Usabluebook	Exact match	Waukegan, IL, United StatesHQ recorded Nov 3, 2026	5,001-10,000	252 contacts →
	Exact match “Rely on USABlueBook for everything you need for water and wastewater operations and maintenance.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
9	Graver Technologies, LLC	Exact match	Glasgow, NY, United StatesHQ recorded Nov 3, 2026	201-500	193 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 3, 2026 · View company records in RevenueBase
10	Aqua-Chem	Exact match	Knoxville, TN, United StatesHQ recorded Nov 3, 2026	201-500	166 contacts →
	Exact match “Aqua-Chem is the leader in providing Global Water Solutions.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
11	Cleanova	Exact match	Chattanooga, TN, United StatesHQ recorded Nov 3, 2026	1,001-5,000	159 contacts →
	Exact match “Cleanova is a global filtration leader bringing together a portfolio of highly respected brands, including Micronics, Allied, Dollinger, SOLAFT, Plenty, and Vokes, among many…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
12	PECO	Exact match	Mineral Wells, OH, United StatesHQ recorded Nov 3, 2026	10001+	148 contacts →
	Exact match “PECO is part of Parker Hannifin, Industrial Process Filtration Division.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
13	Anderson Process	Exact match	Brookfield, IN, United StatesHQ recorded Nov 3, 2026	51-200	140 contacts →
	Exact match “Since 1958, Anderson Process has been the Midwest’s trusted supplier of fluid management equipment and reliable, value-added service.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
14	Abatement Technologies	Exact match	Suwanee, GA, United StatesHQ recorded Nov 3, 2026	51-200	123 contacts →
	Exact match “Abatement Technologies, Inc.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
15	Blake Equipment	Exact match	East Windsor, NH, United StatesHQ recorded Nov 3, 2026	51-200	110 contacts →
	Exact match “Blake Equipment has been proudly serving the Northeast since 1927.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
16	Barclay Water Management, INC	Exact match	Newton, MA, United StatesHQ recorded Nov 3, 2026	51-200	109 contacts →
	Exact match “Established in 1932 and headquartered in Newton, Massachusetts, Barclay Water Management, Inc.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
17	KX Technologies	Exact match	West Haven, CT, United StatesHQ recorded Nov 3, 2026	51-200	106 contacts →
	Exact match “KX Technologies is your Global Filtration Partner.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
18	Edstrom Industries	Exact match	Waterford, WI, United StatesHQ recorded Nov 3, 2026	201-500	103 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 3, 2026 · View company records in RevenueBase
19	Vessco Water	Exact match	Chanhassen, MN, United StatesHQ recorded Nov 3, 2026	51-200	102 contacts →
	Exact match “Vessco Water is a family of companies that brings innovative, synergy based water solutions and services to our customers around the United States.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
20	Pureflow, INC	Exact match	Graham, NC, United StatesHQ recorded Nov 3, 2026	51-200	102 contacts →
	Exact match “Why Pureflow?” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
21	Coway USA	Exact match	Los Angeles, CA, United StatesHQ recorded Nov 3, 2026	201-500	102 contacts →
	Exact match “We always make a healthy life with new ideas Now more than half the households of Korea and the people around the world always drink clean water, enjoy a healthy and pleasant life…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
22	Aquarius Home Services	Exact match	Little Canada, WI, United StatesHQ recorded Nov 3, 2026	201-500	99 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
23	Avalon	Exact match	Lakewood, NJ, United StatesHQ recorded Nov 3, 2026	11-50	98 contacts →
	Exact match “Avalon offers Perfect Water, Every Time by providing bottleless filtered water coolers that have been rigorously tested and are held up to the highest standards in the industry.” Recorded in the RevenueBase company graph · Nov 3, 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 “water filtration & purification system suppliers”. 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 23 of 1,940 water filtration & purification system suppliers based in the United States

See the full list, filter by size, metro and specialty, and access 9,306 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Water filtration & purification system suppliers based in the United States at a glance

As of Nov 3, 2026

29.8%Verified-email coverage

16.1Average contacts per company

11-50Median size (employees)

2.0%Largest-city concentration · Houston

Nov 3, 2026Page data refreshed

Companies by employee count

1-10

920

11-50

716

51-200

208

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 1,940 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 “water filtration & purification 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 9,306 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 3, 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.

Water filtration & purification system suppliers by metro

Water filtration & purification system suppliers in Houston38

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 “water filtration & purification system suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many water filtration & purification system suppliers are there based in the United States?

RevenueBase identified 1,940 company matches for water filtration & purification system 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?

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

Which city has the most water filtration & purification system suppliers?

Houston leads with 38 company records, followed by Phoenix (19) and San Diego (14).

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 9,306 professional contacts with verified work emails tracked across these 1,940 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 3, 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.