Company lists · Data refreshed November 2026
Top 25 Reverse osmosis system contractors worldwide
RevenueBase identified 2,844 company matches for reverse osmosis system contractors worldwide as of November 2026 and tracks 20,905 professional contacts across them, including 2,939 with verified work emails. The United States is the largest market and Delhi the largest hub.
This list covers company matches for reverse osmosis system contractors worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for reverse osmosis system contractors follow the table.
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 contractors worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 499 contacts → | ||||
Exact match “Culligan Italiana è in grado di offrire la soluzione ideale per ogni tipologia di trattamento acqua: piccoli impianti ad uso domestico, erogatori d'acqua per uffici e ristoranti…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 403 contacts → | ||||
Exact match “Founded in 1970, Kinetico pioneered the development of non-electric, fully automatic water treatment systems.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 386 contacts → | ||||
Exact match “Fisia Italimpianti S.p.A, part of Webuild Group (the new group born in 2020 from Salini Impregilo), is a worldwide leader in the sustainable design and execution of water…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 279 contacts → | ||||
Exact match “Culligan has over 80 years of experience in the design and distribution of water treatment systems for residential, commercial and industrial applications.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 250 contacts → | ||||
Exact match “Esli PWG Ltd.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 186 contacts → | ||||
Exact match “Culligan es conocida por la alta calidad en el tratamiento de piscinas, por su implantación de descalcificadores y equipos de ósmosis inversa en el mercado doméstico, y por la…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 165 contacts → | ||||
Exact match “Together with our customers, BW Water, now part of De Nora Water Technologies, is committed to addressing the world's most critical water challenges.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 134 contacts → | ||||
Exact match “Wasser ist nicht nur eine kostbare Lebensressource, sondern auch eine der großen Herausforderungen dieses Jahrhunderts.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 111 contacts → | ||||
Exact match “LEXCRU Water Tech Pvt.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 92 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 87 contacts → | ||||
Exact match “At Siltbuster Ltd, we operate the UK’s largest rental fleet of water treatment systems, setting the industry benchmark for rapid, reliable, and cost-effective solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 86 contacts → | ||||
Exact match “Salt Separation Services Limited is an independent water treatment company specialising in the design, manufacture, installation and commissioning of water treatment systems.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 86 contacts → | ||||
Exact match “AQUAPHOR water filters is a leading technology developer and manufacturer of drinking water purifiers, water softeners, and commercial reverse osmosis systems.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 83 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 82 contacts → | ||||
Exact match “FEDCO is a global leader in the manufacture and sale of pumps and energy recovery devices (ERDs) for brackish and seawater reverse osmosis (RO) desalination systems.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 80 contacts → | ||||
Exact match “Kent Water Purification Systems is a leading supplier of water purification systems in the Greater Toronto Area.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 80 contacts → | ||||
Exact match “A leading provider of technology and services in Egypt’s water desalination sector specializing in the sale, design, installation, operation and maintenance and refurbishment of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 75 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 66 contacts → | ||||
Exact match “Clear Creek Systems is a leading provider of water treatment systems and services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 66 contacts → | ||||
Exact match “Iedere toepassing van water vraagt om een specialistische blik op alle aspecten van het watergebruik.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 65 contacts → | ||||
Exact match “For 50 years, Marlo Incorporated has engineered and manufactured high quality water treatment equipment for a wide variety of residential, commercial, and industrial applications.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 65 contacts → | ||||
Exact match “Firma ProMinent Systems spol.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 64 contacts → | ||||
Exact match “AmeriWater is the recognized specialist in the design, manufacturing, installation and supply of water treatment equipment and services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 61 contacts → | ||||
Exact match “Water treatment, reverse osmosis, desalination, membranes, chemicals, service, legionella control” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 61 contacts → | ||||
Exact match “Manufacturer and wholesale exporter of equipment for water treatment, both domestic and industrial, specializing in: reverse osmosis, filtration, ultrafiltration, MBR…” Recorded in the RevenueBase company graph · Nov 6, 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 contractors”. 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 2,844 reverse osmosis system contractors worldwide
See the full list, filter by size, metro and specialty, and access 2,939 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Reverse osmosis system contractors worldwide at a glance
As of Nov 6, 2026Companies by employee count
Email recency is reported on each country list linked below.
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.
- Coverage
- Every country. Country and city lists for reverse osmosis system contractors are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “reverse osmosis system contractors” 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. 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 2,939 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 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.
Reverse osmosis system contractors by location
10 lists · largest firstEvery Reverse osmosis system contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Reverse osmosis system contractors based in the United States768
- Reverse osmosis system contractors based in India588
- Reverse osmosis system contractors based in Canada88
- Reverse osmosis system contractors based in Spain83
- Reverse osmosis system contractors based in Italy69
- Reverse osmosis system contractors based in Brazil57
- Reverse osmosis system contractors based in Mexico51
- Reverse osmosis system contractors based in the United Kingdom46
- Reverse osmosis system contractors based in Germany41
- Reverse osmosis system contractors based in France40
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 contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many reverse osmosis system contractors are there worldwide?
RevenueBase identified 2,844 company matches for reverse osmosis system contractors worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Culligan Italiana S.P.A tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most reverse osmosis system contractors?
The United States leads with 768 companies, followed by India (588) and Canada (88). Every reverse osmosis system contractors list by country and city is linked on this page.
Which city has the most reverse osmosis system contractors?
Delhi leads with 50 company records, followed by Chennai (47) and Ahmedabad (34).
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 2,939 professional contacts with verified work emails tracked across these 2,844 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 2,844 reverse osmosis system contractors worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 reverse osmosis system contractors worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 2,844 matching company records for reverse osmosis system contractors worldwide, with 20,905 tracked contacts and 2,939 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 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 contractors worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Culligan Italiana S.P.Aculligan.itHQ: Bologna, ItalyReported employees: 201-500 | Bologna, Italy | 201-500 | Exact match | 499 contacts → |
“Culligan Italiana è in grado di offrire la soluzione ideale per ogni tipologia di trattamento acqua: piccoli impianti ad uso domestico, erogatori d'acqua per uffici e ristoranti…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Kinetico Incorporatedkinetico.comHQ: Newbury, OH, United KingdomReported employees: 201-500 | Newbury, OH, United Kingdom | 201-500 | Exact match | 403 contacts → |
“Founded in 1970, Kinetico pioneered the development of non-electric, fully automatic water treatment systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Fisia Italimpiantifisiait.comHQ: Genoa, ItalyReported employees: 51-200 | Genoa, Italy | 51-200 | Exact match | 386 contacts → |
“Fisia Italimpianti S.p.A, part of Webuild Group (the new group born in 2020 from Salini Impregilo), is a worldwide leader in the sustainable design and execution of water…” Recorded description excerpt · November 6, 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 | 279 contacts → |
“Culligan has over 80 years of experience in the design and distribution of water treatment systems for residential, commercial and industrial applications.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Esli Pollet Water Groupesli.com.trHQ: Antalya, TürkiyeReported employees: 201-500 | Antalya, Türkiye | 201-500 | Exact match | 250 contacts → |
“Esli PWG Ltd.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Culligan Españaculligan.esHQ: Tomares, SpainReported employees: 501-1,000 | Tomares, Spain | 501-1,000 | Exact match | 186 contacts → |
“Culligan es conocida por la alta calidad en el tratamiento de piscinas, por su implantación de descalcificadores y equipos de ósmosis inversa en el mercado doméstico, y por la…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  BW Waterdenora.comHQ: Singapore, United StatesReported employees: 201-500 | Singapore, United States | 201-500 | Exact match | 165 contacts → |
“Together with our customers, BW Water, now part of De Nora Water Technologies, is committed to addressing the world's most critical water challenges.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  BWT Wassertechnik Gmbhbwt.comHQ: Schriesheim, GermanyReported employees: 201-500 | Schriesheim, Germany | 201-500 | Exact match | 134 contacts → |
“Wasser ist nicht nur eine kostbare Lebensressource, sondern auch eine der großen Herausforderungen dieses Jahrhunderts.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Lexcru Water Tech Pvt. LTDlexcru.comHQ: Ahmedabad, IndiaReported employees: 1,001-5,000 | Ahmedabad, India | 1,001-5,000 | Exact match | 111 contacts → |
“LEXCRU Water Tech Pvt.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Puretec Industrial Waterpuretecwater.comHQ: Oxnard, CA, United StatesReported employees: 51-200 | Oxnard, CA, United States | 51-200 | Exact match | 92 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Siltbuster LTDworkdry.comHQ: Monmouth, United KingdomReported employees: 51-200 | Monmouth, United Kingdom | 51-200 | Exact match | 87 contacts → |
“At Siltbuster Ltd, we operate the UK’s largest rental fleet of water treatment systems, setting the industry benchmark for rapid, reliable, and cost-effective solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Salt Separation Services Limitedsaltsep.co.ukHQ: Rochdale, United KingdomReported employees: 51-200 | Rochdale, United Kingdom | 51-200 | Exact match | 86 contacts → |
“Salt Separation Services Limited is an independent water treatment company specialising in the design, manufacture, installation and commissioning of water treatment systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Aquaphor International OÜaquaphor.comHQ: Tallinn, EstoniaReported employees: 1,001-5,000 | Tallinn, Estonia | 1,001-5,000 | Exact match | 86 contacts → |
“AQUAPHOR water filters is a leading technology developer and manufacturer of drinking water purifiers, water softeners, and commercial reverse osmosis systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Total Water Treatment Systems INCtotal-water.comHQ: Madison, WI, United StatesReported employees: 51-200 | Madison, WI, United States | 51-200 | Exact match | 83 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 |  FEDCOfedco-usa.comHQ: Monroe, MI, United StatesReported employees: 51-200 | Monroe, MI, United States | 51-200 | Exact match | 82 contacts → |
“FEDCO is a global leader in the manufacture and sale of pumps and energy recovery devices (ERDs) for brackish and seawater reverse osmosis (RO) desalination systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Kent Water Purification Systems INCkentwater.caHQ: Missisauga, ON, CanadaReported employees: Not recorded | Missisauga, ON, Canada | Not recorded | Exact match | 80 contacts → |
“Kent Water Purification Systems is a leading supplier of water purification systems in the Greater Toronto Area.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  TAM Environmental Servicestam-es.comHQ: Cairo, EgyptReported employees: 201-500 | Cairo, Egypt | 201-500 | Exact match | 80 contacts → |
“A leading provider of technology and services in Egypt’s water desalination sector specializing in the sale, design, installation, operation and maintenance and refurbishment of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Wigen Water Technologieswigen.comHQ: Minneapolis, MN, United StatesReported employees: 51-200 | Minneapolis, MN, United States | 51-200 | Exact match | 75 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Clear Creek Systemsclearcreeksystems.comHQ: Bakersfield, OH, United StatesReported employees: 51-200 | Bakersfield, OH, United States | 51-200 | Exact match | 66 contacts → |
“Clear Creek Systems is a leading provider of water treatment systems and services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Lubron Waterbehandeling B.Vlubron.euHQ: Oosterhout, NetherlandsReported employees: 51-200 | Oosterhout, Netherlands | 51-200 | Exact match | 66 contacts → |
“Iedere toepassing van water vraagt om een specialistische blik op alle aspecten van het watergebruik.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Marlo Incorporatedmarlo-inc.comHQ: Racine, WI, United StatesReported employees: 51-200 | Racine, WI, United States | 51-200 | Exact match | 65 contacts → |
“For 50 years, Marlo Incorporated has engineered and manufactured high quality water treatment equipment for a wide variety of residential, commercial, and industrial applications.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Prominent Systems Spol. S R.Oprominentsystems.czHQ: Blovice, Czech RepublicReported employees: 201-500 | Blovice, Czech Republic | 201-500 | Exact match | 65 contacts → |
“Firma ProMinent Systems spol.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Ameriwaterameriwater.comHQ: Dayton, OH, United StatesReported employees: 51-200 | Dayton, OH, United States | 51-200 | Exact match | 64 contacts → |
“AmeriWater is the recognized specialist in the design, manufacturing, installation and supply of water treatment equipment and services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Aqua Serviceaquaservice.ptHQ: Alverca, PortugalReported employees: 51-200 | Alverca, Portugal | 51-200 | Exact match | 61 contacts → |
“Water treatment, reverse osmosis, desalination, membranes, chemicals, service, legionella control” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Hidro-Waterhidro-water.comHQ: Aldaia, SpainReported employees: 51-200 | Aldaia, Spain | 51-200 | Exact match | 61 contacts → |
“Manufacturer and wholesale exporter of equipment for water treatment, both domestic and industrial, specializing in: reverse osmosis, filtration, ultrafiltration, MBR…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,844 company matches
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Reverse osmosis system contractors: dataset insights
November 6, 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
2,777 records in the displayed employee bands.
67 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 2,844 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 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 ↗
Reverse osmosis system contractors by location
10 lists · largest firstEvery Reverse osmosis system contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Reverse osmosis system contractors based in the United States768
- Reverse osmosis system contractors based in India588
- Reverse osmosis system contractors based in Canada88
- Reverse osmosis system contractors based in Spain83
- Reverse osmosis system contractors based in Italy69
- Reverse osmosis system contractors based in Brazil57
- Reverse osmosis system contractors based in Mexico51
- Reverse osmosis system contractors based in the United Kingdom46
- Reverse osmosis system contractors based in Germany41
- Reverse osmosis system contractors based in France40
Questions about this company list
What does Exact match mean for reverse osmosis system contractors?
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 contractors did RevenueBase find worldwide?
The saved snapshot records 2,844 matching company records, 20,905 tracked contacts and 2,939 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 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.
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Cite this list
RevenueBase Data Team. Top 25 reverse osmosis system contractors worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/reverse-osmosis-system-contractors.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 reverse osmosis system contractors worldwide
RevenueBase records 2,844 matching company records for reverse osmosis system contractors worldwide, with 20,905 tracked contacts and 2,939 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 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 contractors worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Culligan Italiana S.P.Aculligan.it HQ: Bologna, ItalyReported employees: 201-500 | Bologna, Italy | 201-500 | Exact match | 499 contacts → |
“Culligan Italiana è in grado di offrire la soluzione ideale per ogni tipologia di trattamento acqua: piccoli impianti ad uso domestico, erogatori d'acqua per uffici e ristoranti…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Kinetico Incorporatedkinetico.com HQ: Newbury, OH, United KingdomReported employees: 201-500 | Newbury, OH, United Kingdom | 201-500 | Exact match | 403 contacts → |
“Founded in 1970, Kinetico pioneered the development of non-electric, fully automatic water treatment systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Fisia Italimpiantifisiait.com HQ: Genoa, ItalyReported employees: 51-200 | Genoa, Italy | 51-200 | Exact match | 386 contacts → |
“Fisia Italimpianti S.p.A, part of Webuild Group (the new group born in 2020 from Salini Impregilo), is a worldwide leader in the sustainable design and execution of water…” Recorded description excerpt · November 6, 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 | 279 contacts → |
“Culligan has over 80 years of experience in the design and distribution of water treatment systems for residential, commercial and industrial applications.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Esli Pollet Water Groupesli.com.tr HQ: Antalya, TürkiyeReported employees: 201-500 | Antalya, Türkiye | 201-500 | Exact match | 250 contacts → |
“Esli PWG Ltd.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Culligan Españaculligan.es HQ: Tomares, SpainReported employees: 501-1,000 | Tomares, Spain | 501-1,000 | Exact match | 186 contacts → |
“Culligan es conocida por la alta calidad en el tratamiento de piscinas, por su implantación de descalcificadores y equipos de ósmosis inversa en el mercado doméstico, y por la…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | BW Waterdenora.com HQ: Singapore, United StatesReported employees: 201-500 | Singapore, United States | 201-500 | Exact match | 165 contacts → |
“Together with our customers, BW Water, now part of De Nora Water Technologies, is committed to addressing the world's most critical water challenges.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | BWT Wassertechnik Gmbhbwt.com HQ: Schriesheim, GermanyReported employees: 201-500 | Schriesheim, Germany | 201-500 | Exact match | 134 contacts → |
“Wasser ist nicht nur eine kostbare Lebensressource, sondern auch eine der großen Herausforderungen dieses Jahrhunderts.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Lexcru Water Tech Pvt. LTDlexcru.com HQ: Ahmedabad, IndiaReported employees: 1,001-5,000 | Ahmedabad, India | 1,001-5,000 | Exact match | 111 contacts → |
“LEXCRU Water Tech Pvt.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Puretec Industrial Waterpuretecwater.com HQ: Oxnard, CA, United StatesReported employees: 51-200 | Oxnard, CA, United States | 51-200 | Exact match | 92 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Siltbuster LTDworkdry.com HQ: Monmouth, United KingdomReported employees: 51-200 | Monmouth, United Kingdom | 51-200 | Exact match | 87 contacts → |
“At Siltbuster Ltd, we operate the UK’s largest rental fleet of water treatment systems, setting the industry benchmark for rapid, reliable, and cost-effective solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Salt Separation Services Limitedsaltsep.co.uk HQ: Rochdale, United KingdomReported employees: 51-200 | Rochdale, United Kingdom | 51-200 | Exact match | 86 contacts → |
“Salt Separation Services Limited is an independent water treatment company specialising in the design, manufacture, installation and commissioning of water treatment systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Aquaphor International OÜaquaphor.com HQ: Tallinn, EstoniaReported employees: 1,001-5,000 | Tallinn, Estonia | 1,001-5,000 | Exact match | 86 contacts → |
“AQUAPHOR water filters is a leading technology developer and manufacturer of drinking water purifiers, water softeners, and commercial reverse osmosis systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Total Water Treatment Systems INCtotal-water.com HQ: Madison, WI, United StatesReported employees: 51-200 | Madison, WI, United States | 51-200 | Exact match | 83 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 | FEDCOfedco-usa.com HQ: Monroe, MI, United StatesReported employees: 51-200 | Monroe, MI, United States | 51-200 | Exact match | 82 contacts → |
“FEDCO is a global leader in the manufacture and sale of pumps and energy recovery devices (ERDs) for brackish and seawater reverse osmosis (RO) desalination systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Kent Water Purification Systems INCkentwater.ca HQ: Missisauga, ON, CanadaReported employees: Not recorded | Missisauga, ON, Canada | Not recorded | Exact match | 80 contacts → |
“Kent Water Purification Systems is a leading supplier of water purification systems in the Greater Toronto Area.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | TAM Environmental Servicestam-es.com HQ: Cairo, EgyptReported employees: 201-500 | Cairo, Egypt | 201-500 | Exact match | 80 contacts → |
“A leading provider of technology and services in Egypt’s water desalination sector specializing in the sale, design, installation, operation and maintenance and refurbishment of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Wigen Water Technologieswigen.com HQ: Minneapolis, MN, United StatesReported employees: 51-200 | Minneapolis, MN, United States | 51-200 | Exact match | 75 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Clear Creek Systemsclearcreeksystems.com HQ: Bakersfield, OH, United StatesReported employees: 51-200 | Bakersfield, OH, United States | 51-200 | Exact match | 66 contacts → |
“Clear Creek Systems is a leading provider of water treatment systems and services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Lubron Waterbehandeling B.Vlubron.eu HQ: Oosterhout, NetherlandsReported employees: 51-200 | Oosterhout, Netherlands | 51-200 | Exact match | 66 contacts → |
“Iedere toepassing van water vraagt om een specialistische blik op alle aspecten van het watergebruik.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Marlo Incorporatedmarlo-inc.com HQ: Racine, WI, United StatesReported employees: 51-200 | Racine, WI, United States | 51-200 | Exact match | 65 contacts → |
“For 50 years, Marlo Incorporated has engineered and manufactured high quality water treatment equipment for a wide variety of residential, commercial, and industrial applications.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Prominent Systems Spol. S R.Oprominentsystems.cz HQ: Blovice, Czech RepublicReported employees: 201-500 | Blovice, Czech Republic | 201-500 | Exact match | 65 contacts → |
“Firma ProMinent Systems spol.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Ameriwaterameriwater.com HQ: Dayton, OH, United StatesReported employees: 51-200 | Dayton, OH, United States | 51-200 | Exact match | 64 contacts → |
“AmeriWater is the recognized specialist in the design, manufacturing, installation and supply of water treatment equipment and services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Aqua Serviceaquaservice.pt HQ: Alverca, PortugalReported employees: 51-200 | Alverca, Portugal | 51-200 | Exact match | 61 contacts → |
“Water treatment, reverse osmosis, desalination, membranes, chemicals, service, legionella control” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Hidro-Waterhidro-water.com HQ: Aldaia, SpainReported employees: 51-200 | Aldaia, Spain | 51-200 | Exact match | 61 contacts → |
“Manufacturer and wholesale exporter of equipment for water treatment, both domestic and industrial, specializing in: reverse osmosis, filtration, ultrafiltration, MBR…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Reverse osmosis system contractors: dataset insights
November 6, 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
2,777 records in the displayed employee bands.
67 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 2,844 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 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 ↗
Reverse osmosis system contractors by location
10 lists · largest firstEvery Reverse osmosis system contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Reverse osmosis system contractors based in the United States768
- Reverse osmosis system contractors based in India588
- Reverse osmosis system contractors based in Canada88
- Reverse osmosis system contractors based in Spain83
- Reverse osmosis system contractors based in Italy69
- Reverse osmosis system contractors based in Brazil57
- Reverse osmosis system contractors based in Mexico51
- Reverse osmosis system contractors based in the United Kingdom46
- Reverse osmosis system contractors based in Germany41
- Reverse osmosis system contractors based in France40
Questions about this company list
What does Exact match mean for reverse osmosis system contractors?
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 contractors did RevenueBase find worldwide?
The saved snapshot records 2,844 matching company records, 20,905 tracked contacts and 2,939 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 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
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Cite this list
RevenueBase Data Team. Top 25 reverse osmosis system contractors worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/reverse-osmosis-system-contractors.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗