Company lists · Data refreshed September 2026
Top 25 Water filtration system providers based in the United States
RevenueBase identified 1,364 company matches for water filtration system providers associated with the United States as of September 2026 and tracks 13,218 professional contacts across them, including 3,779 with verified work emails. Houston is the largest hub.
This list covers company matches for water filtration 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 22, 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 water filtration system providers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 22, 2026 · View company records in RevenueBase | |||||
| 2 | 468 contacts → | ||||
Exact match “Established in 1925, EcoWater Systems LLC is one of the world's largest manufacturers of residential water treatment systems.” Recorded in the RevenueBase company graph · Sep 22, 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 22, 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 22, 2026 · View company records in RevenueBase | |||||
| 5 | 152 contacts → | ||||
Exact match “Aqua-Chem is the leader in providing Global Water Solutions.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 6 | 140 contacts → | ||||
Exact match “HASA, Inc.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 7 | 102 contacts → | ||||
Exact match “KX Technologies is your Global Filtration Partner.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 8 | 102 contacts → | ||||
Exact match “OASIS International is a global leader in the design, manufacture and distribution of clean drinking water systems.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 9 | 97 contacts → | ||||
Exact match “Avalon offers Perfect Water, Every Time by providing bottleless filtered water coolers that have been rigorously tested and are held up to the highest standards in the industry.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 10 | 94 contacts → | ||||
Exact match “Why Pureflow?” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 11 | 83 contacts → | ||||
Exact match “Sigura is a leading supplier of water treatment solutions for Residential Pools & Spas, as well as Industrial and Municipal applications.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 12 | 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 22, 2026 · View company records in RevenueBase | |||||
| 13 | 77 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 14 | 76 contacts → | ||||
Exact match “Fresh Water Systems is a relationally-driven provider of filtration solutions that leverage expertise and intentionality to connect with conscientious businesses and consumers.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 15 | 73 contacts → | ||||
Exact match “In 1972, LAKOS was founded on the belief that filtering water should be simple – both for the people who operate filtration equipment and the environment.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 16 | 73 contacts → | ||||
Exact match “Paragon Water Systems partners with appliance brands, foodservice operators, and industrial companies that require a reliable, scalable ODM/OEM water filtration manufacturer.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 17 | 72 contacts → | ||||
Exact match “Clear Water Services provides innovative stormwater, groundwater, and process water solutions custom-designed for each client's unique goals, challenges, and mission.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 18 | 66 contacts → | ||||
Exact match “Every day 30 million people benefit from Kuehne Company’s water treatment products.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 19 | 62 contacts → | ||||
Exact match “We design and manufacture a full line of components for our membrane filtration & wastewater systems.Together with our fabrication and installation partners around the world we…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 20 | 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 22, 2026 · View company records in RevenueBase | |||||
| 21 | 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 22, 2026 · View company records in RevenueBase | |||||
| 22 | 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 22, 2026 · View company records in RevenueBase | |||||
| 23 | 61 contacts → | ||||
Exact match “QUA®, with our headquarters in the USA, develops, manufactures and markets advanced membrane products for water, waste water and water reuse applications to leading OEM's…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 24 | 60 contacts → | ||||
Exact match “EMCO Group is a well-established company with over 44 years of experience in the water and wastewater treatment industry.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 25 | 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 22, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “water filtration 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 1,364 water filtration system providers based in the United States
See the full list, filter by size, metro and specialty, and access 3,779 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Water filtration system providers based in the United States at a glance
As of Sep 22, 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 1,364 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with the United States whose business descriptions match “water filtration 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 3,779 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 22, 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 “water filtration system providers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many water filtration system providers are there based in the United States?
RevenueBase identified 1,364 company matches for water filtration 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?
Westech Engineering tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most water filtration system providers?
Houston leads with 20 company records, followed by Las Vegas (11) and San Diego (11).
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 3,779 professional contacts with verified work emails tracked across these 1,364 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 22, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,364 water filtration system providers based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Water filtration system providers by geography
- Water filtration system providers based in Australia
- Water filtration system providers based in Belgium
- Water filtration system providers based in Brazil
- Water filtration system providers based in Canada
- Water filtration system providers based in France
- Water filtration system providers based in Germany
- Water filtration system providers based in India
- Water filtration system providers based in Italy
- Water filtration system providers based in Mexico
- Water filtration system providers based in the Netherlands
- Water filtration system providers based in New Zealand
- Water filtration system providers based in South Africa
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
- Water filtration system providers based in Australia
- Water filtration system providers based in Belgium
- Water filtration system providers based in Brazil
- Water filtration system providers based in Canada
- Water filtration system providers based in France
- Water filtration system providers based in Germany
Company intelligence · public preview
Top 25 water filtration 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 1,364 matching company records for water filtration system providers based in the United States, with 13,218 tracked contacts and 3,779 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 22, 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 water filtration 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 |  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 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Ecowater Systems LLCecowater.com HQ: Woodbury, MN, United StatesReported employees: 201-500 | Woodbury, MN, United States | 201-500 | Exact match | 468 contacts → |
“Established in 1925, EcoWater Systems LLC is one of the world's largest manufacturers of residential water treatment systems.” Recorded description excerpt · September 22, 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 22, 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 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Aqua-Chemaqua-chem.comHQ: Knoxville, TN, United StatesReported employees: 201-500 | Knoxville, TN, United States | 201-500 | Exact match | 152 contacts → |
“Aqua-Chem is the leader in providing Global Water Solutions.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Hasa Pool INChasapool.com HQ: Saugus, CA, United StatesReported employees: 201-500 | Saugus, CA, United States | 201-500 | Exact match | 140 contacts → |
“HASA, Inc.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  KX Technologieskxtech.comHQ: West Haven, CT, United StatesReported employees: 51-200 | West Haven, CT, United States | 51-200 | Exact match | 102 contacts → |
“KX Technologies is your Global Filtration Partner.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Oasis Internationaloasiscoolers.com HQ: Columbus, OH, United StatesReported employees: 201-500 | Columbus, OH, United States | 201-500 | Exact match | 102 contacts → |
“OASIS International is a global leader in the design, manufacture and distribution of clean drinking water systems.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Avalonavalonh2o.com HQ: Lakewood, NJ, United StatesReported employees: 11-50 | Lakewood, NJ, United States | 11-50 | Exact match | 97 contacts → |
“Avalon offers Perfect Water, Every Time by providing bottleless filtered water coolers that have been rigorously tested and are held up to the highest standards in the industry.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  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 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Innovative Water Caresigurawater.comHQ: Alpharetta, GA, United StatesReported employees: 1,001-5,000 | Alpharetta, GA, United States | 1,001-5,000 | Exact match | 83 contacts → |
“Sigura is a leading supplier of water treatment solutions for Residential Pools & Spas, as well as Industrial and Municipal applications.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  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 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | 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. | |||||
| 14 | Fresh Water Systemsfreshwatersystems.com HQ: Greenville, SC, United StatesReported employees: 51-200 | Greenville, SC, United States | 51-200 | Exact match | 76 contacts → |
“Fresh Water Systems is a relationally-driven provider of filtration solutions that leverage expertise and intentionality to connect with conscientious businesses and consumers.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Lakos Filtration Solutionslakos.com HQ: Fresno, CA, United StatesReported employees: 51-200 | Fresno, CA, United States | 51-200 | Exact match | 73 contacts → |
“In 1972, LAKOS was founded on the belief that filtering water should be simple – both for the people who operate filtration equipment and the environment.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Paragon Water Systems INCparagonwater.com HQ: Tampa, FL, United StatesReported employees: 201-500 | Tampa, FL, United States | 201-500 | Exact match | 73 contacts → |
“Paragon Water Systems partners with appliance brands, foodservice operators, and industrial companies that require a reliable, scalable ODM/OEM water filtration manufacturer.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Clear Water Servicesclearwaterservices.com HQ: Everett, WA, United StatesReported employees: 51-200 | Everett, WA, United States | 51-200 | Exact match | 72 contacts → |
“Clear Water Services provides innovative stormwater, groundwater, and process water solutions custom-designed for each client's unique goals, challenges, and mission.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Kuehne Chemical Companykuehnecompany.com HQ: Kearny, NJ, United StatesReported employees: 51-200 | Kearny, NJ, United States | 51-200 | Exact match | 66 contacts → |
“Every day 30 million people benefit from Kuehne Company’s water treatment products.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Complete Filtration Resources, INCgotocompletefiltration.com HQ: Marshfield, WI, United StatesReported employees: 11-50 | Marshfield, WI, United States | 11-50 | Exact match | 62 contacts → |
“We design and manufacture a full line of components for our membrane filtration & wastewater systems.Together with our fabrication and installation partners around the world we…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  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 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  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 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | 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 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | QUAquagroup.com HQ: Canonsburg, PA, United StatesReported employees: 51-200 | Canonsburg, PA, United States | 51-200 | Exact match | 61 contacts → |
“QUA®, with our headquarters in the USA, develops, manufactures and markets advanced membrane products for water, waste water and water reuse applications to leading OEM's…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Emco Groupemcogroup.usHQ: Canton, MA, United StatesReported employees: 51-200 | Canton, MA, United States | 51-200 | Exact match | 60 contacts → |
“EMCO Group is a well-established company with over 44 years of experience in the water and wastewater treatment industry.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  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 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,364 company matches
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Water filtration system providers: dataset insights
September 22, 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
1,345 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 1,364 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 22, 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 water filtration 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 water filtration system providers did RevenueBase find based in the United States?
The saved snapshot records 1,364 matching company records, 13,218 tracked contacts and 3,779 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 22, 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
Water filtration system providers by geography
- Water filtration system providers based in Australia
- Water filtration system providers based in Belgium
- Water filtration system providers based in Brazil
- Water filtration system providers based in Canada
- Water filtration system providers based in France
- Water filtration system providers based in Germany
- Water filtration system providers based in India
- Water filtration system providers based in Italy
- Water filtration system providers based in Mexico
- Water filtration system providers based in the Netherlands
- Water filtration system providers based in New Zealand
- Water filtration system providers based in South Africa
Cite this list
RevenueBase Data Team. Top 25 water filtration system providers based in the United States. Snapshot: September 22, 2026. https://revenuebase.ai/companies/water-filtration-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
- Water filtration system providers based in Australia
- Water filtration system providers based in Belgium
- Water filtration system providers based in Brazil
- Water filtration system providers based in Canada
- Water filtration system providers based in France
- Water filtration system providers based in Germany
Company intelligence · public preview
Top 25 water filtration system providers based in the United States
RevenueBase records 1,364 matching company records for water filtration system providers based in the United States, with 13,218 tracked contacts and 3,779 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 22, 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 water filtration 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 | 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 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Ecowater Systems LLCecowater.com HQ: Woodbury, MN, United StatesReported employees: 201-500 | Woodbury, MN, United States | 201-500 | Exact match | 468 contacts → |
“Established in 1925, EcoWater Systems LLC is one of the world's largest manufacturers of residential water treatment systems.” Recorded description excerpt · September 22, 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 22, 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 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Aqua-Chemaqua-chem.com HQ: Knoxville, TN, United StatesReported employees: 201-500 | Knoxville, TN, United States | 201-500 | Exact match | 152 contacts → |
“Aqua-Chem is the leader in providing Global Water Solutions.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Hasa Pool INChasapool.com HQ: Saugus, CA, United StatesReported employees: 201-500 | Saugus, CA, United States | 201-500 | Exact match | 140 contacts → |
“HASA, Inc.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | KX Technologieskxtech.com HQ: West Haven, CT, United StatesReported employees: 51-200 | West Haven, CT, United States | 51-200 | Exact match | 102 contacts → |
“KX Technologies is your Global Filtration Partner.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Oasis Internationaloasiscoolers.com HQ: Columbus, OH, United StatesReported employees: 201-500 | Columbus, OH, United States | 201-500 | Exact match | 102 contacts → |
“OASIS International is a global leader in the design, manufacture and distribution of clean drinking water systems.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Avalonavalonh2o.com HQ: Lakewood, NJ, United StatesReported employees: 11-50 | Lakewood, NJ, United States | 11-50 | Exact match | 97 contacts → |
“Avalon offers Perfect Water, Every Time by providing bottleless filtered water coolers that have been rigorously tested and are held up to the highest standards in the industry.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | 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 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Innovative Water Caresigurawater.com HQ: Alpharetta, GA, United StatesReported employees: 1,001-5,000 | Alpharetta, GA, United States | 1,001-5,000 | Exact match | 83 contacts → |
“Sigura is a leading supplier of water treatment solutions for Residential Pools & Spas, as well as Industrial and Municipal applications.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | 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 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | 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. | |||||
| 14 | Fresh Water Systemsfreshwatersystems.com HQ: Greenville, SC, United StatesReported employees: 51-200 | Greenville, SC, United States | 51-200 | Exact match | 76 contacts → |
“Fresh Water Systems is a relationally-driven provider of filtration solutions that leverage expertise and intentionality to connect with conscientious businesses and consumers.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Lakos Filtration Solutionslakos.com HQ: Fresno, CA, United StatesReported employees: 51-200 | Fresno, CA, United States | 51-200 | Exact match | 73 contacts → |
“In 1972, LAKOS was founded on the belief that filtering water should be simple – both for the people who operate filtration equipment and the environment.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Paragon Water Systems INCparagonwater.com HQ: Tampa, FL, United StatesReported employees: 201-500 | Tampa, FL, United States | 201-500 | Exact match | 73 contacts → |
“Paragon Water Systems partners with appliance brands, foodservice operators, and industrial companies that require a reliable, scalable ODM/OEM water filtration manufacturer.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Clear Water Servicesclearwaterservices.com HQ: Everett, WA, United StatesReported employees: 51-200 | Everett, WA, United States | 51-200 | Exact match | 72 contacts → |
“Clear Water Services provides innovative stormwater, groundwater, and process water solutions custom-designed for each client's unique goals, challenges, and mission.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Kuehne Chemical Companykuehnecompany.com HQ: Kearny, NJ, United StatesReported employees: 51-200 | Kearny, NJ, United States | 51-200 | Exact match | 66 contacts → |
“Every day 30 million people benefit from Kuehne Company’s water treatment products.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Complete Filtration Resources, INCgotocompletefiltration.com HQ: Marshfield, WI, United StatesReported employees: 11-50 | Marshfield, WI, United States | 11-50 | Exact match | 62 contacts → |
“We design and manufacture a full line of components for our membrane filtration & wastewater systems.Together with our fabrication and installation partners around the world we…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | 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 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | 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 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | 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 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | QUAquagroup.com HQ: Canonsburg, PA, United StatesReported employees: 51-200 | Canonsburg, PA, United States | 51-200 | Exact match | 61 contacts → |
“QUA®, with our headquarters in the USA, develops, manufactures and markets advanced membrane products for water, waste water and water reuse applications to leading OEM's…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Emco Groupemcogroup.us HQ: Canton, MA, United StatesReported employees: 51-200 | Canton, MA, United States | 51-200 | Exact match | 60 contacts → |
“EMCO Group is a well-established company with over 44 years of experience in the water and wastewater treatment industry.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | 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 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,364 company matches
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Water filtration system providers: dataset insights
September 22, 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
1,345 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 1,364 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 22, 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 water filtration 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 water filtration system providers did RevenueBase find based in the United States?
The saved snapshot records 1,364 matching company records, 13,218 tracked contacts and 3,779 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 22, 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
Water filtration system providers by geography
- Water filtration system providers based in Australia
- Water filtration system providers based in Belgium
- Water filtration system providers based in Brazil
- Water filtration system providers based in Canada
- Water filtration system providers based in France
- Water filtration system providers based in Germany
- Water filtration system providers based in India
- Water filtration system providers based in Italy
- Water filtration system providers based in Mexico
- Water filtration system providers based in the Netherlands
- Water filtration system providers based in New Zealand
- Water filtration system providers based in South Africa
Cite this list
RevenueBase Data Team. Top 25 water filtration system providers based in the United States. Snapshot: September 22, 2026. https://revenuebase.ai/companies/water-filtration-system-providers/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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