Company lists · Data refreshed September 2026
Top 25 Reverse osmosis system providers based in the United States
RevenueBase identified 1,108 company matches for reverse osmosis system providers associated with the United States as of September 2026 and tracks 11,346 professional contacts across them, including 3,447 with verified work emails. Houston is the largest hub.
This list covers company matches for reverse osmosis system providers 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 September 21, 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 system providers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 864 contacts → | ||||
Exact match “Chem-Aqua is a unique combination of knowledge, experience and stability.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 2 | 554 contacts → | ||||
Exact match “WesTech Engineering, LLC designs, engineers, and manufactures water and wastewater treatment process equipment for mineral, industrial, and municipal applications worldwide.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 3 | 272 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 4 | 265 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 5 | 110 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 6 | 94 contacts → | ||||
Exact match “Why Pureflow?” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 7 | 91 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 8 | 86 contacts → | ||||
Exact match “We Design, Build, Install, Start Up, and Validate High-Purity Water Systems-Improving Lives Through Water Purification.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 9 | 80 contacts → | ||||
Exact match “Water and Wastewater Equipment Company has been providing efficient, cost-effective and compliant solutions to water and wastewater treatment applications for over 30 years.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 10 | 79 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 11 | 77 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 12 | 62 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 13 | 62 contacts → | ||||
Exact match “Founded in 1965, Wigen Water Technologies® is a global leader in the production of custom water treatment systems, specializing in cost-effective and reliable solutions for…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 14 | 62 contacts → | ||||
Exact match “Puragain Water is a family owned business that takes pride in offering the very best in water filtration systems.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 15 | 62 contacts → | ||||
Exact match “Kinetico Advanced Water Systems helps you understand and fix your water issues through custom analysis and tailored solutions.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 16 | 60 contacts → | ||||
Exact match “Trussell Technologies, Inc.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 17 | 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 18 | 59 contacts → | ||||
Exact match “Established in WaterTectonics designs, manufactures, deploys and services integrated water treatment solutions for clients in oil & gas, mining, industrial and construction…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 19 | 59 contacts → | ||||
Exact match “At Aquasana we believe clean water and a healthy environment are the most important components to healthy living and overall well-being.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 20 | 54 contacts → | ||||
Exact match “Clear Creek Systems is a leading provider of water treatment systems and services.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 21 | 53 contacts → | ||||
Exact match “The U.S.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 22 | 51 contacts → | ||||
Exact match “No matter what your water problem, Charger Water Treatment Products has a solution.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 23 | 51 contacts → | ||||
Exact match “Manufacturer of a complete line of water treatment systems for homes and businesses.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 24 | 49 contacts → | ||||
Exact match “Weas Engineering, Inc.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 25 | 46 contacts → | ||||
Exact match “Global water technology solutions provider since 1983.” Recorded in the RevenueBase company graph · Sep 21, 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 system providers”. 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 1,108 reverse osmosis system providers based in the United States
See the full list, filter by size, metro and specialty, and access 3,447 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Reverse osmosis system providers based in the United States at a glance
As of Sep 21, 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 1,108 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 system providers” 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 3,447 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 September 21, 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 system providers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many reverse osmosis system providers are there based in the United States?
RevenueBase identified 1,108 company matches for reverse osmosis system providers associated with the United States as of September 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?
Chem-Aqua, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most reverse osmosis system providers?
Houston leads with 17 company records, followed by San Diego (12) and Tampa (10).
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 3,447 professional contacts with verified work emails tracked across these 1,108 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 September 21, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,108 reverse osmosis system providers based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Reverse osmosis system providers by geography
- Reverse osmosis system providers based in Mumbai, India
- Reverse osmosis system providers based in Australia
- Reverse osmosis system providers based in Belgium
- Reverse osmosis system providers based in Brazil
- Reverse osmosis system providers based in Canada
- Reverse osmosis system providers based in Chile
- Reverse osmosis system providers based in France
- Reverse osmosis system providers based in Germany
- Reverse osmosis system providers based in India
- Reverse osmosis system providers based in Italy
- Reverse osmosis system providers based in Mexico
- Reverse osmosis system providers based in the Netherlands
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 system providers based in Mumbai, India
- Reverse osmosis system providers based in Australia
- Reverse osmosis system providers based in Belgium
- Reverse osmosis system providers based in Brazil
- Reverse osmosis system providers based in Canada
- Reverse osmosis system providers based in Chile
Company intelligence · public preview
Top 25 reverse osmosis system providers 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 1,108 matching company records for reverse osmosis system providers based in the United States, with 11,346 tracked contacts and 3,447 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: September 21, 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 system providers 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 |  Chem-Aqua, INCchemaqua.comHQ: Wilmington, DE, United StatesReported employees: 10001+ | Wilmington, DE, United States | 10001+ | Exact match | 864 contacts → |
“Chem-Aqua is a unique combination of knowledge, experience and stability.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Westech Engineeringwestechwater.comHQ: Salt Lake City, UT, United StatesReported employees: 501-1,000 | Salt Lake City, UT, United States | 501-1,000 | Exact match | 554 contacts → |
“WesTech Engineering, LLC designs, engineers, and manufactures water and wastewater treatment process equipment for mineral, industrial, and municipal applications worldwide.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Packard Culligan Waterculliganwater.comHQ: Minnetonka, MN, United StatesReported employees: 501-1,000 | Minnetonka, MN, United States | 501-1,000 | Exact match | 272 contacts → |
“Packard Culligan Water is a family-owned company with values based on relationships, unity, listening, and leading locally.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Culligan By Watercoculligan.comHQ: Lombard, IL, United StatesReported employees: 501-1,000 | Lombard, IL, United States | 501-1,000 | Exact match | 265 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Global Water Technology, INCgwt-inc.com HQ: Calumet City, IL, United StatesReported employees: 51-200 | Calumet City, IL, United States | 51-200 | Exact match | 110 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 6 |  Pureflow, INCpureflowinc.comHQ: Graham, NC, United StatesReported employees: 51-200 | Graham, NC, United States | 51-200 | Exact match | 94 contacts → |
“Why Pureflow?” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Puretec Industrial Waterpuretecwater.comHQ: Oxnard, CA, United StatesReported employees: 51-200 | Oxnard, CA, United States | 51-200 | Exact match | 91 contacts → |
“Puretec provides water treatment solutions that transform incoming city water into highly purified deionized water suitable for hundreds of industrial applications across dozens…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HYDROhydroservice.com HQ: Durham, NC, United StatesReported employees: 51-200 | Durham, NC, United States | 51-200 | Exact match | 86 contacts → |
“We Design, Build, Install, Start Up, and Validate High-Purity Water Systems-Improving Lives Through Water Purification.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Water & Wastewater Equipment Companywwe-co.com HQ: Cleveland, OH, United StatesReported employees: 11-50 | Cleveland, OH, United States | 11-50 | Exact match | 80 contacts → |
“Water and Wastewater Equipment Company has been providing efficient, cost-effective and compliant solutions to water and wastewater treatment applications for over 30 years.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  FEDCOfedco-usa.comHQ: Monroe, MI, United StatesReported employees: 51-200 | Monroe, MI, United States | 51-200 | Exact match | 79 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Total Water Treatment Systems INCtotal-water.com HQ: Madison, WI, United StatesReported employees: 51-200 | Madison, WI, United States | 51-200 | Exact match | 77 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 |  Marlo Incorporatedmarlo-inc.comHQ: Racine, WI, United StatesReported employees: 51-200 | Racine, WI, United States | 51-200 | Exact match | 62 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Wigen Water Technologieswigen.comHQ: Minneapolis, MN, United StatesReported employees: 51-200 | Minneapolis, MN, United States | 51-200 | Exact match | 62 contacts → |
“Founded in 1965, Wigen Water Technologies® is a global leader in the production of custom water treatment systems, specializing in cost-effective and reliable solutions for…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Puragain Waterpuragainwater.com HQ: Escondido, CA, United StatesReported employees: 11-50 | Escondido, CA, United States | 11-50 | Exact match | 62 contacts → |
“Puragain Water is a family owned business that takes pride in offering the very best in water filtration systems.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Kinetico Advanced Water Systemskineticonc.com HQ: Garner, NC, United StatesReported employees: 51-200 | Garner, NC, United States | 51-200 | Exact match | 62 contacts → |
“Kinetico Advanced Water Systems helps you understand and fix your water issues through custom analysis and tailored solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Trusselltrusselltech.comHQ: Pasadena, CA, United StatesReported employees: 11-50 | Pasadena, CA, United States | 11-50 | Exact match | 60 contacts → |
“Trussell Technologies, Inc.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Watertectonicswatertectonics.comHQ: Everett, WA, United StatesReported employees: 11-50 | Everett, WA, United States | 11-50 | Exact match | 59 contacts → |
“Established in WaterTectonics designs, manufactures, deploys and services integrated water treatment solutions for clients in oil & gas, mining, industrial and construction…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Aquasanaaquasana.com HQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 59 contacts → |
“At Aquasana we believe clean water and a healthy environment are the most important components to healthy living and overall well-being.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Clear Creek Systemsclearcreeksystems.comHQ: Bakersfield, CA, United StatesReported employees: 51-200 | Bakersfield, CA, United States | 51-200 | Exact match | 54 contacts → |
“Clear Creek Systems is a leading provider of water treatment systems and services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  The U.S. Water Culligan Groupuswatercompany.comHQ: Wheeling, IL, United StatesReported employees: 201-500 | Wheeling, IL, United States | 201-500 | Exact match | 53 contacts → |
“The U.S.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Charger Water Treatment Productschargerwater.com HQ: Morton Grove, IL, United StatesReported employees: 51-200 | Morton Grove, IL, United States | 51-200 | Exact match | 51 contacts → |
“No matter what your water problem, Charger Water Treatment Products has a solution.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Puronicspuronics.comHQ: Livermore, CA, United StatesReported employees: 51-200 | Livermore, CA, United States | 51-200 | Exact match | 51 contacts → |
“Manufacturer of a complete line of water treatment systems for homes and businesses.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Weas Engineeringweasengineering.com HQ: Westfield, IN, United StatesReported employees: 51-200 | Westfield, IN, United States | 51-200 | Exact match | 49 contacts → |
“Weas Engineering, Inc.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Applied Membranes INCappliedmembranes.comHQ: Vista, CA, United StatesReported employees: 201-500 | Vista, CA, United States | 201-500 | Exact match | 46 contacts → |
“Global water technology solutions provider since 1983.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,108 company matches
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Reverse osmosis system providers: dataset insights
September 21, 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
1,089 records in the displayed employee bands.
19 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 1,108 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: September 21, 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 system providers?
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 system providers did RevenueBase find based in the United States?
The saved snapshot records 1,108 matching company records, 11,346 tracked contacts and 3,447 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: September 21, 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 system providers by geography
- Reverse osmosis system providers based in Mumbai, India
- Reverse osmosis system providers based in Australia
- Reverse osmosis system providers based in Belgium
- Reverse osmosis system providers based in Brazil
- Reverse osmosis system providers based in Canada
- Reverse osmosis system providers based in Chile
- Reverse osmosis system providers based in France
- Reverse osmosis system providers based in Germany
- Reverse osmosis system providers based in India
- Reverse osmosis system providers based in Italy
- Reverse osmosis system providers based in Mexico
- Reverse osmosis system providers based in the Netherlands
Cite this list
RevenueBase Data Team. Top 25 reverse osmosis system providers based in the United States. Snapshot: September 21, 2026. https://revenuebase.ai/companies/reverse-osmosis-system-providers/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 system providers based in Mumbai, India
- Reverse osmosis system providers based in Australia
- Reverse osmosis system providers based in Belgium
- Reverse osmosis system providers based in Brazil
- Reverse osmosis system providers based in Canada
- Reverse osmosis system providers based in Chile
Company intelligence · public preview
Top 25 reverse osmosis system providers based in the United States
RevenueBase records 1,108 matching company records for reverse osmosis system providers based in the United States, with 11,346 tracked contacts and 3,447 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: September 21, 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 system providers 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 | Chem-Aqua, INCchemaqua.com HQ: Wilmington, DE, United StatesReported employees: 10001+ | Wilmington, DE, United States | 10001+ | Exact match | 864 contacts → |
“Chem-Aqua is a unique combination of knowledge, experience and stability.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Westech Engineeringwestechwater.com HQ: Salt Lake City, UT, United StatesReported employees: 501-1,000 | Salt Lake City, UT, United States | 501-1,000 | Exact match | 554 contacts → |
“WesTech Engineering, LLC designs, engineers, and manufactures water and wastewater treatment process equipment for mineral, industrial, and municipal applications worldwide.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Packard Culligan Waterculliganwater.com HQ: Minnetonka, MN, United StatesReported employees: 501-1,000 | Minnetonka, MN, United States | 501-1,000 | Exact match | 272 contacts → |
“Packard Culligan Water is a family-owned company with values based on relationships, unity, listening, and leading locally.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Culligan By Watercoculligan.com HQ: Lombard, IL, United StatesReported employees: 501-1,000 | Lombard, IL, United States | 501-1,000 | Exact match | 265 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Global Water Technology, INCgwt-inc.com HQ: Calumet City, IL, United StatesReported employees: 51-200 | Calumet City, IL, United States | 51-200 | Exact match | 110 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 6 | Pureflow, INCpureflowinc.com HQ: Graham, NC, United StatesReported employees: 51-200 | Graham, NC, United States | 51-200 | Exact match | 94 contacts → |
“Why Pureflow?” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Puretec Industrial Waterpuretecwater.com HQ: Oxnard, CA, United StatesReported employees: 51-200 | Oxnard, CA, United States | 51-200 | Exact match | 91 contacts → |
“Puretec provides water treatment solutions that transform incoming city water into highly purified deionized water suitable for hundreds of industrial applications across dozens…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HYDROhydroservice.com HQ: Durham, NC, United StatesReported employees: 51-200 | Durham, NC, United States | 51-200 | Exact match | 86 contacts → |
“We Design, Build, Install, Start Up, and Validate High-Purity Water Systems-Improving Lives Through Water Purification.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Water & Wastewater Equipment Companywwe-co.com HQ: Cleveland, OH, United StatesReported employees: 11-50 | Cleveland, OH, United States | 11-50 | Exact match | 80 contacts → |
“Water and Wastewater Equipment Company has been providing efficient, cost-effective and compliant solutions to water and wastewater treatment applications for over 30 years.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | FEDCOfedco-usa.com HQ: Monroe, MI, United StatesReported employees: 51-200 | Monroe, MI, United States | 51-200 | Exact match | 79 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Total Water Treatment Systems INCtotal-water.com HQ: Madison, WI, United StatesReported employees: 51-200 | Madison, WI, United States | 51-200 | Exact match | 77 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 | Marlo Incorporatedmarlo-inc.com HQ: Racine, WI, United StatesReported employees: 51-200 | Racine, WI, United States | 51-200 | Exact match | 62 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Wigen Water Technologieswigen.com HQ: Minneapolis, MN, United StatesReported employees: 51-200 | Minneapolis, MN, United States | 51-200 | Exact match | 62 contacts → |
“Founded in 1965, Wigen Water Technologies® is a global leader in the production of custom water treatment systems, specializing in cost-effective and reliable solutions for…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Puragain Waterpuragainwater.com HQ: Escondido, CA, United StatesReported employees: 11-50 | Escondido, CA, United States | 11-50 | Exact match | 62 contacts → |
“Puragain Water is a family owned business that takes pride in offering the very best in water filtration systems.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Kinetico Advanced Water Systemskineticonc.com HQ: Garner, NC, United StatesReported employees: 51-200 | Garner, NC, United States | 51-200 | Exact match | 62 contacts → |
“Kinetico Advanced Water Systems helps you understand and fix your water issues through custom analysis and tailored solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Trusselltrusselltech.com HQ: Pasadena, CA, United StatesReported employees: 11-50 | Pasadena, CA, United States | 11-50 | Exact match | 60 contacts → |
“Trussell Technologies, Inc.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Watertectonicswatertectonics.com HQ: Everett, WA, United StatesReported employees: 11-50 | Everett, WA, United States | 11-50 | Exact match | 59 contacts → |
“Established in WaterTectonics designs, manufactures, deploys and services integrated water treatment solutions for clients in oil & gas, mining, industrial and construction…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Aquasanaaquasana.com HQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 59 contacts → |
“At Aquasana we believe clean water and a healthy environment are the most important components to healthy living and overall well-being.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Clear Creek Systemsclearcreeksystems.com HQ: Bakersfield, CA, United StatesReported employees: 51-200 | Bakersfield, CA, United States | 51-200 | Exact match | 54 contacts → |
“Clear Creek Systems is a leading provider of water treatment systems and services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | The U.S. Water Culligan Groupuswatercompany.com HQ: Wheeling, IL, United StatesReported employees: 201-500 | Wheeling, IL, United States | 201-500 | Exact match | 53 contacts → |
“The U.S.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Charger Water Treatment Productschargerwater.com HQ: Morton Grove, IL, United StatesReported employees: 51-200 | Morton Grove, IL, United States | 51-200 | Exact match | 51 contacts → |
“No matter what your water problem, Charger Water Treatment Products has a solution.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Puronicspuronics.com HQ: Livermore, CA, United StatesReported employees: 51-200 | Livermore, CA, United States | 51-200 | Exact match | 51 contacts → |
“Manufacturer of a complete line of water treatment systems for homes and businesses.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Weas Engineeringweasengineering.com HQ: Westfield, IN, United StatesReported employees: 51-200 | Westfield, IN, United States | 51-200 | Exact match | 49 contacts → |
“Weas Engineering, Inc.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Applied Membranes INCappliedmembranes.com HQ: Vista, CA, United StatesReported employees: 201-500 | Vista, CA, United States | 201-500 | Exact match | 46 contacts → |
“Global water technology solutions provider since 1983.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,108 company matches
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Reverse osmosis system providers: dataset insights
September 21, 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
1,089 records in the displayed employee bands.
19 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 1,108 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: September 21, 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 system providers?
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 system providers did RevenueBase find based in the United States?
The saved snapshot records 1,108 matching company records, 11,346 tracked contacts and 3,447 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: September 21, 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 system providers by geography
- Reverse osmosis system providers based in Mumbai, India
- Reverse osmosis system providers based in Australia
- Reverse osmosis system providers based in Belgium
- Reverse osmosis system providers based in Brazil
- Reverse osmosis system providers based in Canada
- Reverse osmosis system providers based in Chile
- Reverse osmosis system providers based in France
- Reverse osmosis system providers based in Germany
- Reverse osmosis system providers based in India
- Reverse osmosis system providers based in Italy
- Reverse osmosis system providers based in Mexico
- Reverse osmosis system providers based in the Netherlands
Cite this list
RevenueBase Data Team. Top 25 reverse osmosis system providers based in the United States. Snapshot: September 21, 2026. https://revenuebase.ai/companies/reverse-osmosis-system-providers/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
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- Reverse osmosis system providers based in Mumbai, India
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- Reverse osmosis system providers based in Belgium
- Reverse osmosis system providers based in Brazil
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- Reverse osmosis system providers based in Chile