Company lists · Data refreshed September 2026

Top 25 Desalination companies based in Spain

Name: Desalination companies based in Spain
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 7, 2026 191 companies tracked

The Spain desalination companies directory lists 191 companies that design, build, operate, or supply desalination systems and related services. It includes 5,974 contacts and 373 email addresses, with Madrid as the single most-represented city among the companies listed. The directory was updated in September 2026.

Desalination companies remove dissolved salts and other minerals from seawater, brackish water, or other water sources to produce water for municipal, industrial, agricultural, or commercial use. This list covers companies that develop, manufacture, install, operate, maintain, or supply desalination plants, equipment, technologies, and related services. Ranked by team size, largest first. Data current as of September 7, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 7, 2026 86% judged on-target in blind review

191Companies

5,974Contacts tracked

373Verified emails

94Mobile numbers

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The 25 largest desalination companies based in Spain

Ranked by team size

Top 25 of 191 desalination companies based in Spain, ranked by team size, largest first. Data refreshed Sep 7, 2026. RevenueBase Smart Search rates how each company's information relates to desalination companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Coxabengoa	Indirect evidence	Seville, SpainHQ checked Sep 7, 2026	10001+	3,545 contacts →
	“Coxabengoa is a vertically integrated global utility in water and energy at the forefront of solving the greatest global challenges of the green transition by applying…” Source: company website · checked Sep 7, 2026
2	Eden Springs	Indirect evidence	Barcelona, SpainHQ checked Sep 7, 2026	1,001-5,000	488 contacts →
	“Eden, a proud part of the Culligan family, provides instant access to cleaner, safer, and better-tasting water through our unparalleled expertise in sustainability, science, and…” Source: company website · checked Sep 7, 2026
3	Cadagua, A Ferrovial Company	Indirect evidence	Bilbao-bilbo, SpainHQ checked Sep 7, 2026	51-200	173 contacts →
	“We specialize in the design, construction, and operation of water treatment facilities.” Source: company website · checked Sep 7, 2026
4	Culligan España	Indirect evidence	Tomares, SpainHQ checked Sep 7, 2026	501-1,000	153 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…” Source: company website · checked Sep 7, 2026
5	Aqlara Ciclo Integral DEL Agua	Indirect evidence	Valencia, SpainHQ checked Sep 7, 2026	51-200	81 contacts →
	“Somos una empresa dedicada a la gestión de servicios de abastecimiento domiciliario de agua potable y explotación de sistemas de saneamiento de agua residual.” Source: company website · checked Sep 7, 2026
6	Hidro-Water	Indirect evidence	Aldaia, SpainHQ checked Sep 7, 2026	51-200	53 contacts →
	“Manufacturer and wholesale exporter of equipment for water treatment, both domestic and industrial, specializing in: reverse osmosis, filtration, ultrafiltration, MBR…” Source: company website · checked Sep 7, 2026
7	Elmasa Tecnología DEL Agua	Indirect evidence	San Bartolomé De Tirajana, SpainHQ checked Sep 7, 2026	11-50	48 contacts →
	“Elmasa Tecnología del Agua es una empresa especializada en el ciclo integral del agua.” Source: company website · checked Sep 7, 2026
8	Kinetico Spain	Indirect evidence	L'ametlla Del Vallès, SpainHQ checked Sep 7, 2026	201-500	43 contacts →
	“Los productos Kinetico resuelven los problemas de calidad del agua de familias y negocios de todo el mundo, con el fin de garantizar que las ventajas del tratamiento de aguas…” Source: company website · checked Sep 7, 2026
9	Apliclor Water Solutions	Indirect evidence	Sant Martí Sesgueioles, SpainHQ checked Sep 7, 2026	51-200	39 contacts →
	“About APLICLOR Water Solutions: Apliclor was originally established back in 1911 as a family business focused on the commercialization of chemical products.” Source: company website · checked Sep 7, 2026
10	Hidrosalud Tratamiento Integral DEL Agua	Indirect evidence	Alcudia, SpainHQ checked Sep 7, 2026	11-50	38 contacts →
	“QUIENES SOMOS Hidrosalud es una empresa dedicada a la salud.” Source: company website · checked Sep 7, 2026
11	Pavagua Ambiental	Indirect evidence	Valencia, SpainHQ checked Sep 7, 2026	51-200	36 contacts →
	“PAVAGUA AMBIENTAL es una empresa de servicios especializada en la gestión del ciclo integral del agua y el cuidado del medioambiente.” Source: company website · checked Sep 7, 2026
12	Osmofilter Industrial	Indirect evidence	Silla, SpainHQ checked Sep 7, 2026	11-50	36 contacts →
	“En Osmofilter Industrial somos pioneros en el sector de tratamiento de agua en España y expertos en trabajar con ingenierías que dan solución a los problemas del sector.” Source: company website · checked Sep 7, 2026
13	Peter Taboada	Indirect evidence	Redondela, SpainHQ checked Sep 7, 2026	11-50	29 contacts →
	“Peter Taboada, S.L.” Source: company website · checked Sep 7, 2026
14	Aljarafesa	Indirect evidence	Tomares, SpainHQ checked Sep 7, 2026	51-200	28 contacts →
	“Empresa pública que presta los servicios del ciclo integral del agua en El Aljarafe” Source: company website · checked Sep 7, 2026
15	Setapht	Indirect evidence	Rivas-vaciamadrid, SpainHQ checked Sep 7, 2026	51-200	25 contacts →
	“Spanish Company with more that 50 years of experience in water treatment with projects in 5 continents.” Source: company website · checked Sep 7, 2026
16	BWT ATH	Indirect evidence	Cervelló, SpainHQ checked Sep 7, 2026	51-200	22 contacts →
	“Con más de 28 años de experiencia en el mercado, ATH, ofrece una sólida presencia respaldada por el líder europeo en tecnología del agua.” Source: company website · checked Sep 7, 2026
17	Imagua Water Technologies	Indirect evidence	Madrid, SpainHQ checked Sep 7, 2026	11-50	22 contacts →
	“En IMAgua Water Technologies enfrentamos los retos hídricos del presente con soluciones técnicas que optimizan el uso, tratamiento y reutilización del agua.” Source: company website · checked Sep 7, 2026
18	Infosa - SEA Salt	Indirect evidence	Rubí, SpainHQ checked Sep 7, 2026	11-50	19 contacts →
	“Infosa is one of the main producers of Sea Salt in Spain.” Source: company website · checked Sep 7, 2026
19	Piedmont Pacific	Strong evidence	Bilbao, SpainHQ checked Sep 7, 2026	11-50	17 contacts →
	“Piedmont Pacific is a global leader in corrosion resistant equipment for desalination plants and meets critical customer demand for a wide range of applications in the industrial…” Source: company website · checked Sep 7, 2026
20	Estruagua Water Technology	Strong evidence	Les Franqueses Del Valles, SpainHQ checked Sep 7, 2026	51-200	16 contacts →
	“ESTRUAGUA WATER TECHNOLOGY is one of the most important equipment producer for Wwtp, Wtp, pumping station, desalination projects, etc.” Source: company website · checked Sep 7, 2026
21	Adesco, SA	Indirect evidence	Granollers, SpainHQ checked Sep 7, 2026	1-10	15 contacts →
	“Fabricantes de agua destilada, agua potable en cisternas y otras aguas de alta calidad.” Source: company website · checked Sep 7, 2026
22	Innowater	Indirect evidence	Boadilla Del Monte, SpainHQ checked Sep 7, 2026	11-50	15 contacts →
	“Innowater, especializados en la fabricación y desarrollo de sistemas de electrocloración salina para el tratamiento de agua: procesado de las aguas residuales, desarrollo de agua…” Source: company website · checked Sep 7, 2026
23	Tecnoconverting Engineering	Indirect evidence	Sant Fruitós De Bages, SpainHQ checked Sep 7, 2026	11-50	12 contacts →
	“Empresa especializada en el desarrollo y construcción de equipos para el sector del tratamiento del agua, como depuradoras, desalinizadoras y potabilizadoras.” Source: company website · checked Sep 7, 2026
24	Oxidine Water Technology	Indirect evidence	Bergondo, SpainHQ checked Sep 7, 2026	11-50	12 contacts →
	“Oxidine es una empresa fundada en A Coruña en el año 1997, con la idea de proporcionar un servicio integral a nuestros clientes en la gestión eficiente del agua, para ello se…” Source: company website · checked Sep 7, 2026
25	INSOL	Indirect evidence	Terrassa, SpainHQ checked Sep 7, 2026	11-50	11 contacts →
	“Insol Tratamientos del Agua forma parte de Pollet Water Group (PWG), que cuenta con más de 40 años de experiencia en la fabricación, suministro de componentes y sistemas completos…” Source: company website · checked Sep 7, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: desalination companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names desalination companies.
Partial evidence: Its own public description names part of desalination companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name desalination companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 191 desalination companies based in Spain

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Desalination companies based in Spain at a glance

As of Sep 7, 2026

6.2%Verified-email coverage

1.6%Mobile-number coverage

31.3Average contacts per company

1-10Median size (employees)

5.8%Largest-city concentration · Madrid

Sep 7, 2026Page data refreshed

Companies by employee count

1-10

100

11-50

51-200

201-500

501-1,000

1,001-5,000

10001+

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

3490–30

2431–60

061–90

090–180

0180+

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among desalination companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Spain whose own description of what they do matches “desalination companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names desalination companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among desalination companies, and records with no verified work email. Companies headquartered outside Spain are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 373 across the full list. 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 7, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

How many desalination companies are in the Spain directory?

The directory lists 191 desalination companies based in Spain. It also includes 5,974 contacts and 373 email addresses.

Which city has the most desalination companies in the directory?

Madrid is the single most-represented city among the companies in the directory.

What do desalination companies provide?

Desalination companies provide systems and services that remove dissolved salts and minerals from water. Their work can include plant design, equipment supply, construction, operation, maintenance, and related engineering services.

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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 Smart Search, 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.