Company lists · Data refreshed October 2026

Top 25 Filtration system installation contractors based in Switzerland

Name: Filtration system installation contractors based in Switzerland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 12, 2026 70 companies tracked

RevenueBase identified 70 company matches for filtration system installation contractors associated with Switzerland as of October 2026 and tracks 452 professional contacts across them, including 136 with verified work emails. Baar is the largest hub.

This list covers company matches for filtration system installation contractors associated with Switzerland, 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 October 12, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 12, 2026 How this list was built

70Companies

452Contacts tracked

136Verified emails

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The 25 largest filtration system installation contractors based in Switzerland

Ranked by team size

Top 25 of 70 company matches for filtration system installation contractors based in Switzerland, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 12, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	W. Rokitzky AG	Exact match	8304 Wallisellen, SwitzerlandHQ recorded Oct 12, 2026	51-200	28 contacts →
	Exact match “Unsere inhabergeführte Unternehmensstruktur verkürzt Kommunikations- und Entscheidungswege für Bauherren und Auftraggeber massgeblich.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
2	Tecnofil AG	Exact match	Gränichen, SwitzerlandHQ recorded Oct 12, 2026	51-200	24 contacts →
	Exact match “In the production of our full range of filters, it is a central concern of ours to handle natural resources carefully and to rely on sustainable energies and raw materials.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
3	Camfil Schweiz	Exact match	Unterägeri, SwitzerlandHQ recorded Oct 12, 2026	51-200	23 contacts →
	Exact match “Seit mehr als einem halben Jahrhundert hilft Camfil den Menschen, saubere Luft einzuatmen.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4	Willi Gebäudetechnik AG	Exact match	Chur, SwitzerlandHQ recorded Oct 12, 2026	51-200	22 contacts →
	Exact match “Die Willi Gebäudetechnik AG mit Sitz in Chur wurde 1890 gegründet und ist vorwiegend im Kanton Graubünden tätig.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
5	GEX SA Ventilation-Climatisation	Exact match	Bex, SwitzerlandHQ recorded Oct 12, 2026	11-50	16 contacts →
	Exact match “L'entreprise Gex SA ventilation - climatisation, dont les sièges sont à Aigle et à Satigny, est une entreprise leader dans les domaines de la ventilation et de la climatisation.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
6	Burkhalter Wassertechnik AG	Exact match	Worblaufen, SwitzerlandHQ recorded Oct 12, 2026	51-200	14 contacts →
	Exact match “Die Wasseraufbereitungstechnik ist unsere Kernkompetenz – und das seit 1975.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
7	Tiventa	Exact match	Küttigen, SwitzerlandHQ recorded Oct 12, 2026	11-50	9 contacts →
	Exact match “Wir reinigen und desinfizieren alle luftumspülten Lüftungskomponenten im Einfamilienhaus, Mehrfamilienhaus, Industrie, Pharma- und Verwaltungsgebäude, Restaurant und Hotel.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8	Walair AG	Exact match	Zurich, SwitzerlandHQ recorded Oct 12, 2026	11-50	9 contacts →
	Exact match “Wir sind ein Unternehmen mit einem starken technischen Support – Mit unserem ausgebildeten Personal garantieren wir den reibungslosen Ablauf in Ihren diversen Projekten.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9	Haustechnik	Exact match	Staas, SwitzerlandHQ recorded Oct 12, 2026	11-50	8 contacts →
	Exact match “Wir sind ein dynamisches Unternehmen, das sich auf die Bereitstellung erstklassiger Haustechniklösungen spezialisiert hat.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10	Axora Gebäudetechnik AG	Exact match	Gümligen, SwitzerlandHQ recorded Oct 12, 2026	11-50	7 contacts →
	Exact match “Die Axora Gebäudetechnik AG ist auf die Beratung, Planung, Ausführung und Wartung von sanitär, heizungs- und lüftungstechnischen Anlagen spezialisiert.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11	EIG Crustag AG	Exact match	Baar, SwitzerlandHQ recorded Oct 12, 2026	11-50	7 contacts →
	Exact match “Leader in filtration solutions for the pharmaceutical, chemical, food industry as well as filtration of ground/lake/river water for thermal systems and potable water treatment…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12	Deltrian AG Switzerland	Exact match	Gretzenbach, SwitzerlandHQ recorded Oct 12, 2026	11-50	6 contacts →
	Exact match “Seit dem 1.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13	MAX Keller AG	Exact match	Bubikon, SwitzerlandHQ recorded Oct 12, 2026	11-50	6 contacts →
	Exact match “Lüftungs- und Klimaanlagen müssen richtig dimensioniert sein und störungsfrei funktionieren.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14	Voegtli SA	Exact match	La Chaux-de-fonds, SwitzerlandHQ recorded Oct 12, 2026	11-50	6 contacts →
	Exact match “Voegtli SA is a construction company based out of Rue du N 176, La Chaux-de-Fonds, Switzerland.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15	Venticlean Sàrl	Exact match	Lausanne, SwitzerlandHQ recorded Oct 12, 2026	11-50	5 contacts →
	Exact match “Venticlean assure l’entretien, la maintenance et l’hygiénisation des systèmes de ventilation, pour garantir un air sain, confortable et assurer la sécurité des biens et des…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
16	QS Service Gauch	Exact match	Cham, SwitzerlandHQ recorded Oct 12, 2026	1-10	5 contacts →
	Exact match “Qualitätssicherung für Lüftungs- und Klimaanlagen, Inbetriebsetzung und Inbetriebnahme von Lüftungs- und Klimaanlagen, Wartungen, Optimierung der Kosten- und Energieverbrauch…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17	Sedirep	Exact match	Geneva, SwitzerlandHQ recorded Oct 12, 2026	11-50	5 contacts →
	Exact match “Sedirep est une entreprise fondée en 1982, spécialisée dans l'assainissement des installations de ventilation.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18	Elsener Klima AG	Exact match	Adliswil, SwitzerlandHQ recorded Oct 12, 2026	11-50	5 contacts →
	Exact match “Wenn es um den Umbau, die Sanierung oder Installation anspruchsvoller Lüftungsanlagen geht, ist die Elsener Klima AG Ihre Partnerin.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19	Aqua Innovation	Exact match	Rotkreuz, SwitzerlandHQ recorded Oct 12, 2026	1-10	5 contacts →
	Exact match “We develop, produce and market water and air processing units, in particular filtration techniques and disinfection units using UV-C light.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20	Enfiso Gmbh	Exact match	Flurlingen, SwitzerlandHQ recorded Oct 12, 2026	1-10	4 contacts →
	Exact match “ENFISO is your one stop Partner for innovative, optimized and process oriented filtration solutions.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21	Suter Haefeli AG	Exact match	Muhen, SwitzerlandHQ recorded Oct 12, 2026	11-50	4 contacts →
	Exact match “Wir schaffen bleibende Werte in Ihrem Zuhause I seit 1980 Fachkräfte für Heizung I Lüftung I Klima I Sanitär” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22	Traitair SA	Exact match	Thônex, SwitzerlandHQ recorded Oct 12, 2026	1-10	4 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23	Plana Gebäudetechnik AG	Exact match	Steinhausen, SwitzerlandHQ recorded Oct 12, 2026	11-50	4 contacts →
	Exact match “Als ein junges Unternehmen mit langjährigem Team meistern wir jede Aufgabe mit höchster Kundenzufriedenheit.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
24	Waterconsult SA	Exact match	Cudrefin, SwitzerlandHQ recorded Oct 12, 2026	1-10	3 contacts →
	Exact match “Spécialiste suisse romand depuis 2012, Waterconsult conçoit, installe et maintient des systèmes de traitement de l’eau sur mesure.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
25	3v Sagl	Exact match	Lamone, SwitzerlandHQ recorded Oct 12, 2026	11-50	3 contacts →
	Exact match “3v - Specialisti del clima in Ticino - Condizionamento, riscaldamento e ventilazione 3v prende il suo nome dalle iniziali dei 2 fondatori e da quella che nel 1978, anno di…” Recorded in the RevenueBase company graph · Oct 12, 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 “filtration system installation 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 70 filtration system installation contractors based in Switzerland

See the full list, filter by size, metro and specialty, and access 136 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Filtration system installation contractors based in Switzerland at a glance

As of Oct 12, 2026

30.1%Verified-email coverage

6.5Average contacts per company

1-10Median size (employees)

2.9%Largest-city concentration · Baar

Oct 12, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

Email recency for this list is measured worldwide rather than for Switzerland, so it is reported there. Company counts and contact totals on this page are exact for Switzerland, over 70 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 Switzerland whose business descriptions match “filtration system installation 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. 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 136 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 October 12, 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 “filtration system installation contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many filtration system installation contractors are there based in Switzerland?

RevenueBase identified 70 company matches for filtration system installation contractors associated with Switzerland as of October 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?

W. Rokitzky AG tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most filtration system installation contractors?

Baar leads with 2 company records, followed by Granichen (2) and Lausanne (2).

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 136 professional contacts with verified work emails tracked across these 70 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 October 12, 2026.

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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.