Company lists · Data refreshed September 2026

Top 25 Wastewater engineering and design firms based in Switzerland

Name: Wastewater engineering and design firms based in Switzerland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 101 companies tracked

RevenueBase identified 101 company matches for wastewater engineering and design firms associated with Switzerland as of September 2026 and tracks 1,000 professional contacts across them, including 429 with verified work emails. Cham is the largest hub.

This list covers company matches for wastewater engineering and design firms 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 September 19, 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 Sep 19, 2026 How this list was built

101Companies

1,000Contacts tracked

429Verified emails

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The 25 largest wastewater engineering and design firms based in Switzerland

Ranked by team size

Top 25 of 101 company matches for wastewater engineering and design firms based in Switzerland, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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	IUB Engineering LTD	Exact match	Bern 14, SwitzerlandHQ recorded Sep 19, 2026	201-500	156 contacts →
	Exact match “IUB Engineering AG has been an overall planner for infrastructure systems for over 50 years.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2	Häny AG	Exact match	Jona, SwitzerlandHQ recorded Sep 19, 2026	51-200	99 contacts →
	Exact match “Häny is an expert system provider of advanced, innovative and reliable pump solutions.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3	SD Ingénierie	Exact match	Suisse-romande, SwitzerlandHQ recorded Sep 19, 2026	51-200	69 contacts →
	Exact match “Fondée en 1955 à Lausanne, sd ingénierie se compose aujourd’hui d’environ 180 collaborateurs répartis au sein de sept filiales cantonales.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4	Heusser Water Solutions AG	Exact match	Cham, SwitzerlandHQ recorded Sep 19, 2026	51-200	39 contacts →
	Exact match “Die Heusser Water Solutions AG steht für Innovationskraft auf der soliden Grundlage jahrelanger Erfahrung, starker Partner und erprobten Technologien.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5	Ryser Ingenieure AG	Exact match	Bern, SwitzerlandHQ recorded Sep 19, 2026	11-50	28 contacts →
	Exact match “Wir sind eine eigenständige Ingenieurunternehmung für Planung, Beratung und Realisierung mit Schwergewicht im Siedlungswasserbau.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6	Mauler SA	Exact match	Neuchâtel, SwitzerlandHQ recorded Sep 19, 2026	11-50	26 contacts →
	Exact match “Mauler SA, bureau d’ingénierie civile et environnementale établi depuis 1950 à Neuchâtel, est spécialisé dans la planification, la conception et la réalisation de projets, il…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7	Kuster Hager Gruppe	Exact match	Uznach, SwitzerlandHQ recorded Sep 19, 2026	51-200	24 contacts →
	Exact match “GEBÜNDELTES FACHWISSEN FÜR BAU, WASSER UND UMWELT Unter aktivem Einsatz der zweiten und dritten Generation der Inhaberfamilie bietet die KUSTER+HAGER Gruppe dank ihren…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8	Troger SA	Exact match	Vésenaz, SwitzerlandHQ recorded Sep 19, 2026	51-200	23 contacts →
	Exact match “Fondée à Genève en 1961, Troger SA couvre l’ensemble des métiers de la gestion de l’eau et du gaz.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9	Techfina SA	Exact match	Winterthur, SwitzerlandHQ recorded Sep 19, 2026	11-50	20 contacts →
	Exact match “We build ready-to-use treatment plants for drinking water and wastewater.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10	Hydrique Engineers	Exact match	Le Mont Sur Lausanne, SwitzerlandHQ recorded Sep 19, 2026	11-50	19 contacts →
	Exact match “OUR HISTORY Hydrique Ingénieurs was founded in 2006 by two civil engineers, both passionate about water and energy domains.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11	HINE	Exact match	Münchenstein, SwitzerlandHQ recorded Sep 19, 2026	11-50	18 contacts →
	Exact match “Herzlich willkommen bei HINE – Ihrem führenden Experten für das präzise Planen von verfahrenstechnischen Anlagen.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12	Ingenias AG	Exact match	Weinfelden, SwitzerlandHQ recorded Sep 19, 2026	11-50	18 contacts →
	Exact match “Ingenias ist Ihr Umwelt-Ingenieurbüro für anspruchsvolle Aufgaben in den Bereichen Umwelt, Wasser und Geologie.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13	K. Lienhard AG	Exact match	Buchs, SwitzerlandHQ recorded Sep 19, 2026	11-50	17 contacts →
	Exact match “K.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14	Blesshess	Exact match	Luzern, SwitzerlandHQ recorded Sep 19, 2026	11-50	17 contacts →
	Exact match “Anspruchsvolle Bauwerke sind unser Antrieb.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15	SPE Tech AG	Exact match	Frauenkappelen, SwitzerlandHQ recorded Sep 19, 2026	11-50	17 contacts →
	Exact match “Die SH+E GROUP bietet Planung, Bau und Service von Anlagen zur Behandlung von Wasser und Abwasser in Kommunen und der Industrie inklusive von Ver- und Entsorgungssystemen.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16	Waldburger Ingenieure AG	Exact match	Aarau, SwitzerlandHQ recorded Sep 19, 2026	11-50	16 contacts →
	Exact match “For more than 100 years, Waldburger Ingenieure AG and its predecessor companies have been heavily involved in urban water management.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17	Ingenieurbüro Riesen AG	Exact match	Bern, SwitzerlandHQ recorded Sep 19, 2026	11-50	15 contacts →
	Exact match “Planer für Sanitärtechnik, Sprinklerplanungen, Medizinalgasanlagen und räumliche Fachkoordination” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18	Eichenberger AG	Exact match	Zürich, SwitzerlandHQ recorded Sep 19, 2026	11-50	13 contacts →
	Exact match “Die Eichenberger AG (EAG) erbringt in den nachfolgenden Fachbereichen seit 1940 innovative, breitgefächerte und nachhaltige Dienstleistungen: Allgemeiner Tiefbau- Strassen- und…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19	Alpha Wassertechnik AG	Exact match	Nidau, SwitzerlandHQ recorded Sep 19, 2026	11-50	12 contacts →
	Exact match “ALPHA WasserTechnik AG est une société suisse active, depuis 1960, dans la conception, la construction et la commercialisation d’installations de traitement d’eaux usées urbaines…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20	Planimpuls AG Bauingenieure	Exact match	Kreuzlingen, SwitzerlandHQ recorded Sep 19, 2026	11-50	12 contacts →
	Exact match “Planimpuls AG Bauingenieure ist seit Jahren ein für Qualität und Zuverlässigkeit im Bauingenieurwesen.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21	Reatech AG	Exact match	Rotkreuz, SwitzerlandHQ recorded Sep 19, 2026	11-50	11 contacts →
	Exact match “Wir planen und bauen Umwelttechnik-Anlagen.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22	Emch Berger AG Solothurn	Exact match	Solothurn, SwitzerlandHQ recorded Sep 19, 2026	11-50	10 contacts →
	Exact match “Die Emch+Berger AG Solothurn ist ein Unternehmen der 1953 gegründeten Emch+Berger Gruppe.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23	Rheno AG	Exact match	Dietikon, SwitzerlandHQ recorded Sep 19, 2026	11-50	10 contacts →
	Exact match “Rheno Umwelttechnik AG is an environmental services company based out of 15 Giessenstrasse, Schlieren, Zurich, Switzerland.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24	KFS Kanal-Service AG	Exact match	Oensingen, SwitzerlandHQ recorded Sep 19, 2026	51-200	10 contacts →
	Exact match “Willkommen bei KFS Kanal-Service AG!” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25	GRP Ingenieure AG	Exact match	Rotkreuz, SwitzerlandHQ recorded Sep 19, 2026	11-50	10 contacts →
	Exact match “Fachplaner für Sanitär, Sprinkler und Brandschutz” Recorded in the RevenueBase company graph · Sep 19, 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 “wastewater engineering and design firms”. 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 101 wastewater engineering and design firms based in Switzerland

See the full list, filter by size, metro and specialty, and access 429 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Wastewater engineering and design firms based in Switzerland at a glance

As of Sep 19, 2026

42.9%Verified-email coverage

9.9Average contacts per company

11-50Median size (employees)

4.0%Largest-city concentration · Cham

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

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 101 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 “wastewater engineering and design firms” 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 429 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 19, 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 “wastewater engineering and design firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many wastewater engineering and design firms are there based in Switzerland?

RevenueBase identified 101 company matches for wastewater engineering and design firms associated with Switzerland 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?

IUB Engineering LTD tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most wastewater engineering and design firms?

Cham leads with 4 company records, followed by Bern (3) and Lausanne (3).

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 429 professional contacts with verified work emails tracked across these 101 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 19, 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.