Company lists · Data refreshed November 2026
Top 25 Reverse osmosis water treatment equipment suppliers based in the United States
RevenueBase identified 494 company matches for reverse osmosis water treatment equipment suppliers associated with the United States as of November 2026 and tracks 3,780 professional contacts across them, including 728 with verified work emails. Houston is the largest hub.
This list covers company matches for reverse osmosis water treatment equipment 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.
The 25 largest reverse osmosis water treatment equipment suppliers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 277 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 1, 2026 · View company records in RevenueBase | |||||
| 2 | 81 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 | |||||
| 3 | 64 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 | |||||
| 4 | 59 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 | |||||
| 5 | 52 contacts → | ||||
Exact match “Global water technology solutions provider since 1983.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 6 | 50 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 | |||||
| 7 | 49 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 | |||||
| 8 | 47 contacts → | ||||
Exact match “At US Water Systems, we design and build commercial and residential water treatment solutions right here, using the internet to ship directly to your home or business.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 9 | 46 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 | |||||
| 10 | 45 contacts → | ||||
Exact match “Gordon Water Systems is frequently recognized as the top water treatment company in West Michigan.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 11 | 43 contacts → | ||||
Exact match “Absolute Water Technologies based in Indianapolis, Indiana with a service branch in St.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 12 | 38 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 | |||||
| 13 | 34 contacts → | ||||
Exact match “For more than 35 years, H2O has built a reputation for offering complete, industry-leading water treatment systems for the offshore oil and gas and marine markets.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 14 | 33 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 15 | 32 contacts → | ||||
Exact match “For over 40 years, Eversoft has specialized in meeting the water conditioning needs for the hospitality, commercial and industrial communities.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 16 | 29 contacts → | ||||
Exact match “Apollotek International, Inc.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 17 | 28 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 | |||||
| 18 | 25 contacts → | ||||
Exact match “Since 1984, Aqua Science has been the premier source for quality water filtration, reverse osmosis, and water softening products.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 19 | 24 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 | |||||
| 20 | 24 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 21 | 18 contacts → | ||||
Exact match “At Martin Water Conditioning, we specialize in providing top-notch water treatment solutions for both residential and commercial properties.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 22 | 17 contacts → | ||||
Exact match “At Voltea, our mission revolves around providing a superior solution to water reuse and desalination, where we put our natural resources and environment first.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 23 | 16 contacts → | ||||
Exact match “For over forty-years, Compass®, a CECO Environmental Brand, has been the leader for environmental and operational excellence in water treatment, oil-water separation, and reverse…” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 24 | 16 contacts → | ||||
Exact match “Our pure water systems are designed to fit your company's water purification needs.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 25 | 15 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 1, 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 “reverse osmosis water treatment equipment 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 25 of 494 reverse osmosis water treatment equipment suppliers based in the United States
See the full list, filter by size, metro and specialty, and access 728 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Reverse osmosis water treatment equipment suppliers based in the United States at a glance
As of Nov 1, 2026Companies by employee count
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 494 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 water treatment equipment 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 728 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 water treatment equipment suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many reverse osmosis water treatment equipment suppliers are there based in the United States?
RevenueBase identified 494 company matches for reverse osmosis water treatment equipment 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 reverse osmosis water treatment equipment suppliers?
Houston leads with 8 company records, followed by Tempe (7) and Vista (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 728 professional contacts with verified work emails tracked across these 494 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 494 reverse osmosis water treatment equipment suppliers based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Reverse osmosis water treatment equipment suppliers by geography
- Reverse osmosis water treatment equipment suppliers based in Brazil
- Reverse osmosis water treatment equipment suppliers based in Canada
- Reverse osmosis water treatment equipment suppliers based in France
- Reverse osmosis water treatment equipment suppliers based in Germany
- Reverse osmosis water treatment equipment suppliers based in India
- Reverse osmosis water treatment equipment suppliers based in Italy
- Reverse osmosis water treatment equipment suppliers based in Spain
- Reverse osmosis water treatment equipment suppliers based in the United Kingdom
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Reverse osmosis water treatment equipment suppliers based in Brazil
- Reverse osmosis water treatment equipment suppliers based in Canada
- Reverse osmosis water treatment equipment suppliers based in France
- Reverse osmosis water treatment equipment suppliers based in Germany
- Reverse osmosis water treatment equipment suppliers based in India
- Reverse osmosis water treatment equipment suppliers based in Italy
Company intelligence · public preview
Top 25 reverse osmosis water treatment equipment suppliers based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 494 matching company records for reverse osmosis water treatment equipment suppliers based in the United States, with 3,780 tracked contacts and 728 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 1, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 reverse osmosis water treatment equipment suppliers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Culligan By Watercoculligan.comHQ: Lombard, IL, United StatesReported employees: 501-1,000 | Lombard, IL, United States | 501-1,000 | Exact match | 277 contacts → |
“Culligan has over 80 years of experience in the design and distribution of water treatment systems for residential, commercial and industrial applications.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  FEDCOfedco-usa.comHQ: Monroe, MI, United StatesReported employees: 51-200 | Monroe, MI, United States | 51-200 | Exact match | 81 contacts → |
“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 description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Marlo Incorporatedmarlo-inc.comHQ: Racine, WI, United StatesReported employees: 51-200 | Racine, WI, United States | 51-200 | Exact match | 64 contacts → |
“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 description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Ameriwaterameriwater.comHQ: Dayton, OH, United StatesReported employees: 51-200 | Dayton, OH, United States | 51-200 | Exact match | 59 contacts → |
“AmeriWater is the recognized specialist in the design, manufacturing, installation and supply of water treatment equipment and services.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Applied Membranes INCappliedmembranes.comHQ: Vista, CA, United StatesReported employees: 201-500 | Vista, CA, United States | 201-500 | Exact match | 52 contacts → |
“Global water technology solutions provider since 1983.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Puronicspuronics.comHQ: Livermore, CA, United StatesReported employees: 51-200 | Livermore, CA, United States | 51-200 | Exact match | 50 contacts → |
“Manufacturer of a complete line of water treatment systems for homes and businesses.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Watersurpluswatersurplus.com HQ: Loves Park, IL, United StatesReported employees: 51-200 | Loves Park, IL, United States | 51-200 | Exact match | 49 contacts → |
“WaterSurplus is a leader in sustainable water treatment, delivering high-performance solutions across industries.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | US Water Systems, INCuswatersystems.com HQ: 195, IN, United StatesReported employees: 51-200 | 195, IN, United States | 51-200 | Exact match | 47 contacts → |
“At US Water Systems, we design and build commercial and residential water treatment solutions right here, using the internet to ship directly to your home or business.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Charger Water Treatment Productschargerwater.com HQ: Morton Grove, IL, United StatesReported employees: 51-200 | Morton Grove, IL, United States | 51-200 | Exact match | 46 contacts → |
“No matter what your water problem, Charger Water Treatment Products has a solution.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Gordon Water Systemsgordonwater.com HQ: Kalamazoo, MI, United StatesReported employees: 11-50 | Kalamazoo, MI, United States | 11-50 | Exact match | 45 contacts → |
“Gordon Water Systems is frequently recognized as the top water treatment company in West Michigan.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Absolute Water Technologiesabsolutewatertech.comHQ: Arnold, MO, United StatesReported employees: 11-50 | Arnold, MO, United States | 11-50 | Exact match | 43 contacts → |
“Absolute Water Technologies based in Indianapolis, Indiana with a service branch in St.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Rayne Waterraynewater.com HQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 38 contacts → |
“Welcome to Rayne Water, your one-stop solution for residential and commercial water treatment systems since 1928.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | H2o Incorporatedh2oinc.com HQ: Lafayette, LA, United StatesReported employees: 51-200 | Lafayette, LA, United States | 51-200 | Exact match | 34 contacts → |
“For more than 35 years, H2O has built a reputation for offering complete, industry-leading water treatment systems for the offshore oil and gas and marine markets.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Hague Quality Waterslowater.com HQ: Los Osos, CA, United StatesReported employees: 51-200 | Los Osos, CA, United States | 51-200 | Exact match | 33 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 | Eversoft Watereversoftwater.net HQ: Long Beach, CA, United StatesReported employees: 51-200 | Long Beach, CA, United States | 51-200 | Exact match | 32 contacts → |
“For over 40 years, Eversoft has specialized in meeting the water conditioning needs for the hospitality, commercial and industrial communities.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Apollotek Internationalapollotekinternational.com HQ: Irvine, CA, United StatesReported employees: 201-500 | Irvine, CA, United States | 201-500 | Exact match | 29 contacts → |
“Apollotek International, Inc.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Ashberry Water Conditioningashberrywater.comHQ: Tampa, FL, United StatesReported employees: 11-50 | Tampa, FL, United States | 11-50 | Exact match | 28 contacts → |
“Ashberry Water Conditioning has been providing water treatment services since 1947 to businesses, educational facilities, municipalities, and industries across the Florida region.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Aqua Scienceaquascienceaz.com HQ: Tempe, AZ, United StatesReported employees: 51-200 | Tempe, AZ, United States | 51-200 | Exact match | 25 contacts → |
“Since 1984, Aqua Science has been the premier source for quality water filtration, reverse osmosis, and water softening products.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Waterworld USAwaterworldusa.com HQ: Missouri City, TX, United StatesReported employees: 11-50 | Missouri City, TX, United States | 11-50 | Exact match | 24 contacts → |
“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 description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Mueller Water Conditioning, INCmuellerwater.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 24 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Martin Water Conditioningmartinwater.com HQ: Myerstown, PA, United StatesReported employees: 51-200 | Myerstown, PA, United States | 51-200 | Exact match | 18 contacts → |
“At Martin Water Conditioning, we specialize in providing top-notch water treatment solutions for both residential and commercial properties.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Volteavoltea.com HQ: Farmers Branch, TX, United StatesReported employees: 11-50 | Farmers Branch, TX, United States | 11-50 | Exact match | 17 contacts → |
“At Voltea, our mission revolves around providing a superior solution to water reuse and desalination, where we put our natural resources and environment first.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Compass Water Solutions. INCcompasswater.com HQ: Tustin, CA, United StatesReported employees: 51-200 | Tustin, CA, United States | 51-200 | Exact match | 16 contacts → |
“For over forty-years, Compass®, a CECO Environmental Brand, has been the leader for environmental and operational excellence in water treatment, oil-water separation, and reverse…” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Pure Water Systemspws-chicagoland.com HQ: Carol Stream, IL, United StatesReported employees: 1-10 | Carol Stream, IL, United States | 1-10 | Exact match | 16 contacts → |
“Our pure water systems are designed to fit your company's water purification needs.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Pure Aqua, INCpureaqua.com HQ: Santa Ana, CA, United StatesReported employees: 11-50 | Santa Ana, CA, United States | 11-50 | Exact match | 15 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 494 company matches
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Reverse osmosis water treatment equipment suppliers: dataset insights
November 1, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
484 records in the displayed employee bands.
10 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 494 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 1, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for reverse osmosis water treatment equipment suppliers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many reverse osmosis water treatment equipment suppliers did RevenueBase find based in the United States?
The saved snapshot records 494 matching company records, 3,780 tracked contacts and 728 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 1, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Reverse osmosis water treatment equipment suppliers by geography
- Reverse osmosis water treatment equipment suppliers based in Brazil
- Reverse osmosis water treatment equipment suppliers based in Canada
- Reverse osmosis water treatment equipment suppliers based in France
- Reverse osmosis water treatment equipment suppliers based in Germany
- Reverse osmosis water treatment equipment suppliers based in India
- Reverse osmosis water treatment equipment suppliers based in Italy
- Reverse osmosis water treatment equipment suppliers based in Spain
- Reverse osmosis water treatment equipment suppliers based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 reverse osmosis water treatment equipment suppliers based in the United States. Snapshot: November 1, 2026. https://revenuebase.ai/companies/reverse-osmosis-water-treatment-equipment-suppliers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Reverse osmosis water treatment equipment suppliers based in Brazil
- Reverse osmosis water treatment equipment suppliers based in Canada
- Reverse osmosis water treatment equipment suppliers based in France
- Reverse osmosis water treatment equipment suppliers based in Germany
- Reverse osmosis water treatment equipment suppliers based in India
- Reverse osmosis water treatment equipment suppliers based in Italy
Company intelligence · public preview
Top 25 reverse osmosis water treatment equipment suppliers based in the United States
RevenueBase records 494 matching company records for reverse osmosis water treatment equipment suppliers based in the United States, with 3,780 tracked contacts and 728 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 1, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 reverse osmosis water treatment equipment suppliers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Culligan By Watercoculligan.com HQ: Lombard, IL, United StatesReported employees: 501-1,000 | Lombard, IL, United States | 501-1,000 | Exact match | 277 contacts → |
“Culligan has over 80 years of experience in the design and distribution of water treatment systems for residential, commercial and industrial applications.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | FEDCOfedco-usa.com HQ: Monroe, MI, United StatesReported employees: 51-200 | Monroe, MI, United States | 51-200 | Exact match | 81 contacts → |
“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 description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Marlo Incorporatedmarlo-inc.com HQ: Racine, WI, United StatesReported employees: 51-200 | Racine, WI, United States | 51-200 | Exact match | 64 contacts → |
“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 description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Ameriwaterameriwater.com HQ: Dayton, OH, United StatesReported employees: 51-200 | Dayton, OH, United States | 51-200 | Exact match | 59 contacts → |
“AmeriWater is the recognized specialist in the design, manufacturing, installation and supply of water treatment equipment and services.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Applied Membranes INCappliedmembranes.com HQ: Vista, CA, United StatesReported employees: 201-500 | Vista, CA, United States | 201-500 | Exact match | 52 contacts → |
“Global water technology solutions provider since 1983.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Puronicspuronics.com HQ: Livermore, CA, United StatesReported employees: 51-200 | Livermore, CA, United States | 51-200 | Exact match | 50 contacts → |
“Manufacturer of a complete line of water treatment systems for homes and businesses.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Watersurpluswatersurplus.com HQ: Loves Park, IL, United StatesReported employees: 51-200 | Loves Park, IL, United States | 51-200 | Exact match | 49 contacts → |
“WaterSurplus is a leader in sustainable water treatment, delivering high-performance solutions across industries.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | US Water Systems, INCuswatersystems.com HQ: 195, IN, United StatesReported employees: 51-200 | 195, IN, United States | 51-200 | Exact match | 47 contacts → |
“At US Water Systems, we design and build commercial and residential water treatment solutions right here, using the internet to ship directly to your home or business.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Charger Water Treatment Productschargerwater.com HQ: Morton Grove, IL, United StatesReported employees: 51-200 | Morton Grove, IL, United States | 51-200 | Exact match | 46 contacts → |
“No matter what your water problem, Charger Water Treatment Products has a solution.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Gordon Water Systemsgordonwater.com HQ: Kalamazoo, MI, United StatesReported employees: 11-50 | Kalamazoo, MI, United States | 11-50 | Exact match | 45 contacts → |
“Gordon Water Systems is frequently recognized as the top water treatment company in West Michigan.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Absolute Water Technologiesabsolutewatertech.com HQ: Arnold, MO, United StatesReported employees: 11-50 | Arnold, MO, United States | 11-50 | Exact match | 43 contacts → |
“Absolute Water Technologies based in Indianapolis, Indiana with a service branch in St.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Rayne Waterraynewater.com HQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 38 contacts → |
“Welcome to Rayne Water, your one-stop solution for residential and commercial water treatment systems since 1928.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | H2o Incorporatedh2oinc.com HQ: Lafayette, LA, United StatesReported employees: 51-200 | Lafayette, LA, United States | 51-200 | Exact match | 34 contacts → |
“For more than 35 years, H2O has built a reputation for offering complete, industry-leading water treatment systems for the offshore oil and gas and marine markets.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Hague Quality Waterslowater.com HQ: Los Osos, CA, United StatesReported employees: 51-200 | Los Osos, CA, United States | 51-200 | Exact match | 33 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 | Eversoft Watereversoftwater.net HQ: Long Beach, CA, United StatesReported employees: 51-200 | Long Beach, CA, United States | 51-200 | Exact match | 32 contacts → |
“For over 40 years, Eversoft has specialized in meeting the water conditioning needs for the hospitality, commercial and industrial communities.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Apollotek Internationalapollotekinternational.com HQ: Irvine, CA, United StatesReported employees: 201-500 | Irvine, CA, United States | 201-500 | Exact match | 29 contacts → |
“Apollotek International, Inc.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Ashberry Water Conditioningashberrywater.com HQ: Tampa, FL, United StatesReported employees: 11-50 | Tampa, FL, United States | 11-50 | Exact match | 28 contacts → |
“Ashberry Water Conditioning has been providing water treatment services since 1947 to businesses, educational facilities, municipalities, and industries across the Florida region.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Aqua Scienceaquascienceaz.com HQ: Tempe, AZ, United StatesReported employees: 51-200 | Tempe, AZ, United States | 51-200 | Exact match | 25 contacts → |
“Since 1984, Aqua Science has been the premier source for quality water filtration, reverse osmosis, and water softening products.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Waterworld USAwaterworldusa.com HQ: Missouri City, TX, United StatesReported employees: 11-50 | Missouri City, TX, United States | 11-50 | Exact match | 24 contacts → |
“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 description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Mueller Water Conditioning, INCmuellerwater.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 24 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Martin Water Conditioningmartinwater.com HQ: Myerstown, PA, United StatesReported employees: 51-200 | Myerstown, PA, United States | 51-200 | Exact match | 18 contacts → |
“At Martin Water Conditioning, we specialize in providing top-notch water treatment solutions for both residential and commercial properties.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Volteavoltea.com HQ: Farmers Branch, TX, United StatesReported employees: 11-50 | Farmers Branch, TX, United States | 11-50 | Exact match | 17 contacts → |
“At Voltea, our mission revolves around providing a superior solution to water reuse and desalination, where we put our natural resources and environment first.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Compass Water Solutions. INCcompasswater.com HQ: Tustin, CA, United StatesReported employees: 51-200 | Tustin, CA, United States | 51-200 | Exact match | 16 contacts → |
“For over forty-years, Compass®, a CECO Environmental Brand, has been the leader for environmental and operational excellence in water treatment, oil-water separation, and reverse…” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Pure Water Systemspws-chicagoland.com HQ: Carol Stream, IL, United StatesReported employees: 1-10 | Carol Stream, IL, United States | 1-10 | Exact match | 16 contacts → |
“Our pure water systems are designed to fit your company's water purification needs.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Pure Aqua, INCpureaqua.com HQ: Santa Ana, CA, United StatesReported employees: 11-50 | Santa Ana, CA, United States | 11-50 | Exact match | 15 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 494 company matches
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Reverse osmosis water treatment equipment suppliers: dataset insights
November 1, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
484 records in the displayed employee bands.
10 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 494 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 1, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for reverse osmosis water treatment equipment suppliers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many reverse osmosis water treatment equipment suppliers did RevenueBase find based in the United States?
The saved snapshot records 494 matching company records, 3,780 tracked contacts and 728 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 1, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 reverse osmosis water treatment equipment suppliers based in the United States. Snapshot: November 1, 2026. https://revenuebase.ai/companies/reverse-osmosis-water-treatment-equipment-suppliers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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