Company lists · Data refreshed November 2026

Top 25 Reverse osmosis equipment parts and accessory suppliers based in the United States

RevenueBase identified 178 company matches for reverse osmosis equipment parts and accessory suppliers associated with the United States as of November 2026 and tracks 1,172 professional contacts across them, including 386 with verified work emails. San Diego is the largest hub.

This list covers company matches for reverse osmosis equipment parts and accessory 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 1, 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 1, 2026 How this list was built
178Companies
1,172Contacts tracked
386Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest reverse osmosis equipment parts and accessory suppliers based in the United States

Ranked by team size
Top 25 of 178 company matches for reverse osmosis equipment parts and accessory suppliers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 1, 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 matchMonroe, MI, United StatesHQ recorded Nov 1, 202651-20081 contacts →

Exact match

“FEDCO is a global leader in the manufacture and sale of pumps and energy recovery devices (ERDs) for brackish and seawater reverse osmosis (RO) desalination systems.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
2Exact matchRacine, WI, United StatesHQ recorded Nov 1, 202651-20064 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 1, 2026 · View company records in RevenueBase
3Exact matchDayton, OH, United StatesHQ recorded Nov 1, 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 · Nov 1, 2026 · View company records in RevenueBase
4Exact matchLivermore, CA, United StatesHQ recorded Nov 1, 202651-20050 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
5Exact matchLoves Park, IL, United StatesHQ recorded Nov 1, 202651-20049 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
6Exact matchMorton Grove, IL, United StatesHQ recorded Nov 1, 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 1, 2026 · View company records in RevenueBase
7Exact matchSan Diego, CA, United StatesHQ recorded Nov 1, 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 1, 2026 · View company records in RevenueBase
8Exact matchIrvine, CA, United StatesHQ recorded Nov 1, 2026201-50029 contacts →

Exact match

“Apollotek International, Inc.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
9Exact matchTampa, FL, United StatesHQ recorded Nov 1, 202611-5028 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 1, 2026 · View company records in RevenueBase
10Exact matchMissouri City, TX, United StatesHQ recorded Nov 1, 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 1, 2026 · View company records in RevenueBase
11Exact matchGoleta, CA, United StatesHQ recorded Nov 1, 202651-20023 contacts →

Exact match

“TriSep Corporation is a specialty membrane manufacturer of spiral wound reverse osmosis, nanofiltration and ultrafiltration products.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
12Exact matchSanta Ana, CA, United StatesHQ recorded Nov 1, 202611-5015 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
13Exact matchArlington, WA, United StatesHQ recorded Nov 1, 202611-5015 contacts →

Exact match

“Case Marine & Industrial's extensive history of operating and troubleshooting flash evaporators motivated us to develop a simpler, more efficient reverse osmosis system.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
14Exact matchBonita Springs, FL, United StatesHQ recorded Nov 1, 202611-5015 contacts →

Exact match

“Kinetico Water Systems of SWFL is proud to be your local, authorized independent Kinetico dealer.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
15Exact matchPompano Beach, FL, United StatesHQ recorded Nov 1, 202651-20014 contacts →

Exact match

“Joel Brow, now the owner of Coastal Energy Water & Air, became a second generation RainSoft dealer when he purchased the dealership in 1983.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
16Exact matchGrand Prairie, TX, United StatesHQ recorded Nov 1, 202611-5013 contacts →

Exact match

“Pumps and Controls, is a wholesale water treatment equipment supplier based in Grand Prairie, Texas.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
17Exact matchAkron, OH, United StatesHQ recorded Nov 1, 202611-5012 contacts →

Exact match

“Donamarc Water Systems Co.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
18Exact matchMiddlebury, IN, United StatesHQ recorded Nov 1, 202611-5011 contacts →

Exact match

“Hawkins Water Tech provides water softeners, water filters, reverse osmosis drinking water systems,bottleed water coolers, bottleless coolers, and water treatment to meet all of…”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
19Exact matchCape Coral, FL, United StatesHQ recorded Nov 1, 20261-1011 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
20Exact matchSan Diego, CA, United StatesHQ recorded Nov 1, 202611-5010 contacts →

Exact match

“Pacific Pure Water LLC, offers the purest reverse osmosis and European sparkling water units on the market!”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
21Exact matchBurnsville, MN, United StatesHQ recorded Nov 1, 202611-509 contacts →

Exact match

“Haferman Water Conditioning is a full service water treatment company located in the south metro of the Twin Cities.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
22Exact matchBuena Park, CA, United StatesHQ recorded Nov 1, 20261-109 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
23Exact matchReedsburg, WI, United StatesHQ recorded Nov 1, 2026201-5009 contacts →

Exact match

“Hankscraft Runxin manufactures durable water treatment systems for residential and light commercial use, built with Advanced Ceramic valve technology.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
24Exact matchTempe, AZ, United StatesHQ recorded Nov 1, 202611-509 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
25Exact matchSan Clemente, CA, United StatesHQ recorded Nov 1, 202611-509 contacts →

Exact match

“SnowPure Water Technologies, manufactures of Electropure EDI modules, supplies an array of water purification and process components directly to system integrators in over 70…”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase

Showing 25 of 178 reverse osmosis equipment parts and accessory suppliers based in the United States

See the full list, filter by size, metro and specialty, and access 386 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Reverse osmosis equipment parts and accessory suppliers based in the United States at a glance

As of Nov 1, 2026
32.9%Verified-email coverage
6.6Average contacts per company
1-10Median size (employees)
3.4%Largest-city concentration · San Diego
Nov 1, 2026Page data refreshed

Companies by employee count

1-10
95
11-50
58
51-200
19
201-500
5

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 178 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 “reverse osmosis equipment parts and accessory 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 386 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 1, 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 “reverse osmosis equipment parts and accessory suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many reverse osmosis equipment parts and accessory suppliers are there based in the United States?

RevenueBase identified 178 company matches for reverse osmosis equipment parts and accessory 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?

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

Which city has the most reverse osmosis equipment parts and accessory suppliers?

San Diego leads with 6 company records, followed by Tempe (4) and Tucson (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 386 professional contacts with verified work emails tracked across these 178 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 1, 2026.

Ready to reach these companies? Verified emails and direct dials for all 178 reverse osmosis equipment parts and accessory suppliers based in the United States. Start with a free account, no credit card.

Download this list →

Related lists

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.