Company lists · Data refreshed November 2026
Top 25 Critical infrastructure contractors based in Switzerland
RevenueBase identified 333 company matches for critical infrastructure contractors associated with Switzerland as of November 2026 and tracks 10,038 professional contacts across them, including 4,479 with verified work emails. Zurich is the largest hub.
This list covers company matches for critical infrastructure 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 November 6, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest critical infrastructure contractors based in Switzerland
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 3,279 contacts → | ||||
Exact match “As Switzerland’s leading construction and real estate service provider, Implenia develops, builds and manages homes, workplaces and infrastructure for future generations in…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 571 contacts → | ||||
Exact match “Ü Ingenieurskunst bedeutet, mit Ressourcen richtig umzugehen.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 284 contacts → | ||||
Exact match “Lombardi Switzerland is a leading engineering company with over 400 skilled engineers and technicians delivering multidisciplinary and specialized services in infrastructure and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 256 contacts → | ||||
Exact match “INDUNI & CIE SA EST NÉE À L’INITIATIVE D’UNE FAMILLE DE PIONNIERS VISIONNAIRES QUI NOUS A LÉGUÉ DES VALEURS ET UNE CULTURE D’ENTREPRISE FORTES.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 181 contacts → | ||||
Exact match “Netzbau in den Bereichen Energie, Telecom, Verkehr und Wasser: das ist die Arnold AG.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 164 contacts → | ||||
Exact match “IUB Engineering AG has been an overall planner for infrastructure systems for over 50 years.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 92 contacts → | ||||
Exact match “BORNER bewegt sich seit Jahrzehnten mit Leidenschaft, Dynamik und Expertise in der Energietechnik und deren Verteilung.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 83 contacts → | ||||
Exact match “Wir bauen mit Menschen für Menschen Mit Professionalität und Kreativität auf dem Bau hat sich die STUTZ AG zum führenden Bauunternehmen in der Ostschweiz entwickelt.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 78 contacts → | ||||
Exact match “Bauunternehmung und Ingenieurbüro unter einem Dach Als einzige Schweizer Unternehmung verbinden wir seit 1918 Planung und Ausführung im Bauwesen.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 77 contacts → | ||||
Exact match “In der Bearbeitung von interdisziplinären Grossprojekten bis zu kleinen «Eine-Person-Projekten» bietet Locher Ingenieure das ideale Umfeld.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 67 contacts → | ||||
Exact match “Marti arc jura met à votre service l'expertise d'un groupe international, alliée à la proximité de partenaires régio-naux maîtrisant parfaitement les spécificités de l'Arc…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 65 contacts → | ||||
Exact match “Die Aarvia Gruppe ist mit rund 350 Mitarbeitenden eine der stärksten Strassen, Tief- und Erdbau-Unternehmen im Kanton Aargau.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 64 contacts → | ||||
Exact match “Antiglio SA Ouvert et engagé Antiglio SA développe depuis plus d’un siècle ses activités dans les domaines du bâtiment et du génie-civil.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 53 contacts → | ||||
Exact match “Infra Tunnel construit et réhabilite des ouvrages souterrains d'infrastructures, hydrauliques, et industriels, dans toute la Suisse.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 53 contacts → | ||||
Exact match “La construction est notre passion!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 47 contacts → | ||||
Exact match “Die ILF Schweiz ist ein Ingenieur- und Beratungsunternehmen und Teil der international tätigen ILF-Holding.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 46 contacts → | ||||
Exact match “Vanoli AG – Baukunst zum Verlieben Perfektion von der Bauplanung bis zur Bauabnahme, innovative Ideen und Liebe zum Detail in den Bereichen Bahninfrastruktur – Gleistiefbau -…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 45 contacts → | ||||
Exact match “Voller Einsatz für all Ihre Bauvorhaben Ob es sich um kleinere handwerkliche Arbeiten oder um ein Grossprojekt handelt, beides ist bei uns in den richtigen Händen.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 45 contacts → | ||||
Exact match “Fondé en 1947, Duvoisin-Groux SA, actif dans toute la Suisse romande, emploie une centaine de collaborateurs qualifiés et expérimentés, répartis dans quatre domaines d’activités -…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 41 contacts → | ||||
Exact match “De la vision à la réalisation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 39 contacts → | ||||
Exact match “MEIER+JÄGGI AG - Infrastrukturbau - Spezialtiefbau - Gleisbau / Gleistiefbau” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 38 contacts → | ||||
Exact match “Eli10, votre fournisseur d’énergie sur les communes de Bevaix, Boudry, Cortaillod, Milvignes (villages d’Auvernier, Colombier et Bôle), Saint-Blaise, Le Landeron et Crissier.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 38 contacts → | ||||
Exact match “Der Weg in die Zukunft erfordert starke Verbindungen.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 35 contacts → | ||||
Exact match “Le Groupe GVH est un groupement de bureaux d'ingénieurs offrant les prestations de conception, de réalisation d'ouvrage, et de conseils en matière technique dans le domaine du…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 35 contacts → | ||||
Exact match “1922 von Ernst Rathgeb gegründet, hat unser Unternehmen bereits in frühen Jahren an wichtigen Bauwerken wie z.B.” 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 “critical infrastructure 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 333 critical infrastructure contractors based in Switzerland
See the full list, filter by size, metro and specialty, and access 4,479 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Critical infrastructure contractors based in Switzerland at a glance
As of Nov 6, 2026Companies by employee count
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 333 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 “critical infrastructure 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 4,479 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.
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 “critical infrastructure contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many critical infrastructure contractors are there based in Switzerland?
RevenueBase identified 333 company matches for critical infrastructure contractors associated with Switzerland 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?
Implenia tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most critical infrastructure contractors?
Zurich leads with 19 company records, followed by Bern (6) and Lausanne (6).
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 4,479 professional contacts with verified work emails tracked across these 333 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 333 critical infrastructure contractors based in Switzerland. 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.
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Company intelligence · public preview
Top 25 critical infrastructure contractors based in Switzerland
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 333 matching company records for critical infrastructure contractors based in Switzerland, with 10,038 tracked contacts and 4,479 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 critical infrastructure contractors based in Switzerland
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 |  Impleniaimplenia.comHQ: Opfikon, SwitzerlandReported employees: 5,001-10,000 | Opfikon, Switzerland | 5,001-10,000 | Exact match | 3,279 contacts → |
“As Switzerland’s leading construction and real estate service provider, Implenia develops, builds and manages homes, workplaces and infrastructure for future generations in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Amstein Walthertamstein-walthert.chHQ: Zurich, SwitzerlandReported employees: 1,001-5,000 | Zurich, Switzerland | 1,001-5,000 | Exact match | 571 contacts → |
“Ü Ingenieurskunst bedeutet, mit Ressourcen richtig umzugehen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Lombardi Engineering Switzerlandlombardi.groupHQ: Bellinzona-giubiasco, SwitzerlandReported employees: 201-500 | Bellinzona-giubiasco, Switzerland | 201-500 | Exact match | 284 contacts → |
“Lombardi Switzerland is a leading engineering company with over 400 skilled engineers and technicians delivering multidisciplinary and specialized services in infrastructure and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Induni & CIE S.Ainduni.chHQ: Petit-lancy 1, SwitzerlandReported employees: 501-1,000 | Petit-lancy 1, Switzerland | 501-1,000 | Exact match | 256 contacts → |
“INDUNI & CIE SA EST NÉE À L’INITIATIVE D’UNE FAMILLE DE PIONNIERS VISIONNAIRES QUI NOUS A LÉGUÉ DES VALEURS ET UNE CULTURE D’ENTREPRISE FORTES.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Arnold AGarnold.chHQ: Wangen A.a., SwitzerlandReported employees: 501-1,000 | Wangen A.a., Switzerland | 501-1,000 | Exact match | 181 contacts → |
“Netzbau in den Bereichen Energie, Telecom, Verkehr und Wasser: das ist die Arnold AG.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  IUB Engineering LTDengineering-group.chHQ: Bern 14, SwitzerlandReported employees: 201-500 | Bern 14, Switzerland | 201-500 | Exact match | 164 contacts → |
“IUB Engineering AG has been an overall planner for infrastructure systems for over 50 years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  F. Borner AGborner.chHQ: Reiden, SwitzerlandReported employees: 51-200 | Reiden, Switzerland | 51-200 | Exact match | 92 contacts → |
“BORNER bewegt sich seit Jahrzehnten mit Leidenschaft, Dynamik und Expertise in der Energietechnik und deren Verteilung.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Stutz AG Bauunternehmungstutzag.chHQ: Hefenhofen, SwitzerlandReported employees: 501-1,000 | Hefenhofen, Switzerland | 501-1,000 | Exact match | 83 contacts → |
“Wir bauen mit Menschen für Menschen Mit Professionalität und Kreativität auf dem Bau hat sich die STUTZ AG zum führenden Bauunternehmen in der Ostschweiz entwickelt.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Aarau, SwitzerlandReported employees: 51-200 | Aarau, Switzerland | 51-200 | Exact match | 78 contacts → |
“Bauunternehmung und Ingenieurbüro unter einem Dach Als einzige Schweizer Unternehmung verbinden wir seit 1918 Planung und Ausführung im Bauwesen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Locher Ingenieurelocher-ing.chHQ: Stadtkreis 1 Altstadt, SwitzerlandReported employees: 51-200 | Stadtkreis 1 Altstadt, Switzerland | 51-200 | Exact match | 77 contacts → |
“In der Bearbeitung von interdisziplinären Grossprojekten bis zu kleinen «Eine-Person-Projekten» bietet Locher Ingenieure das ideale Umfeld.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Marti ARC Juramartiarcjura.chHQ: Cornaux, SwitzerlandReported employees: 201-500 | Cornaux, Switzerland | 201-500 | Exact match | 67 contacts → |
“Marti arc jura met à votre service l'expertise d'un groupe international, alliée à la proximité de partenaires régio-naux maîtrisant parfaitement les spécificités de l'Arc…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Aarvia Gruppeaarvia.chHQ: Würenlingen, SwitzerlandReported employees: 201-500 | Würenlingen, Switzerland | 201-500 | Exact match | 65 contacts → |
“Die Aarvia Gruppe ist mit rund 350 Mitarbeitenden eine der stärksten Strassen, Tief- und Erdbau-Unternehmen im Kanton Aargau.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Antiglio SAantiglio.chHQ: Fribourg, SwitzerlandReported employees: 201-500 | Fribourg, Switzerland | 201-500 | Exact match | 64 contacts → |
“Antiglio SA Ouvert et engagé Antiglio SA développe depuis plus d’un siècle ses activités dans les domaines du bâtiment et du génie-civil.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Infra Tunnel SAinfratunnel.chHQ: Marin-epagnier, SwitzerlandReported employees: 51-200 | Marin-epagnier, Switzerland | 51-200 | Exact match | 53 contacts → |
“Infra Tunnel construit et réhabilite des ouvrages souterrains d'infrastructures, hydrauliques, et industriels, dans toute la Suisse.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Bieri & Grisoni S.Abgsa.chHQ: La Chaux-de-fonds, SwitzerlandReported employees: 51-200 | La Chaux-de-fonds, Switzerland | 51-200 | Exact match | 53 contacts → |
“La construction est notre passion!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Zurich, SwitzerlandReported employees: 51-200 | Zurich, Switzerland | 51-200 | Exact match | 47 contacts → |
“Die ILF Schweiz ist ein Ingenieur- und Beratungsunternehmen und Teil der international tätigen ILF-Holding.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Vanoli AGvanoli.chHQ: Zofingen, SwitzerlandReported employees: 201-500 | Zofingen, Switzerland | 201-500 | Exact match | 46 contacts → |
“Vanoli AG – Baukunst zum Verlieben Perfektion von der Bauplanung bis zur Bauabnahme, innovative Ideen und Liebe zum Detail in den Bereichen Bahninfrastruktur – Gleistiefbau -…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Ernst Frey AGernstfreyag.chHQ: Kaiseraugst, SwitzerlandReported employees: 201-500 | Kaiseraugst, Switzerland | 201-500 | Exact match | 45 contacts → |
“Voller Einsatz für all Ihre Bauvorhaben Ob es sich um kleinere handwerkliche Arbeiten oder um ein Grossprojekt handelt, beides ist bei uns in den richtigen Händen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Duvoisin Groux SAduvoisin-groux.chHQ: Bussigny, SwitzerlandReported employees: 51-200 | Bussigny, Switzerland | 51-200 | Exact match | 45 contacts → |
“Fondé en 1947, Duvoisin-Groux SA, actif dans toute la Suisse romande, emploie une centaine de collaborateurs qualifiés et expérimentés, répartis dans quatre domaines d’activités -…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  S. Facchinetti SAfacchinettisa.chHQ: Neuchâtel, SwitzerlandReported employees: 201-500 | Neuchâtel, Switzerland | 201-500 | Exact match | 41 contacts → |
“De la vision à la réalisation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Meier Jäggi AG Zofingenm-j.chHQ: Zofingen, SwitzerlandReported employees: 201-500 | Zofingen, Switzerland | 201-500 | Exact match | 39 contacts → |
“MEIER+JÄGGI AG - Infrastrukturbau - Spezialtiefbau - Gleisbau / Gleistiefbau” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Eli10 SAeli10.chHQ: Bevaix, SwitzerlandReported employees: 11-50 | Bevaix, Switzerland | 11-50 | Exact match | 38 contacts → |
“Eli10, votre fournisseur d’énergie sur les communes de Bevaix, Boudry, Cortaillod, Milvignes (villages d’Auvernier, Colombier et Bôle), Saint-Blaise, Le Landeron et Crissier.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Lötscher Plus Gruppeltp.chHQ: Luzern, SwitzerlandReported employees: 201-500 | Luzern, Switzerland | 201-500 | Exact match | 38 contacts → |
“Der Weg in die Zukunft erfordert starke Verbindungen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Tramelan, SwitzerlandReported employees: 51-200 | Tramelan, Switzerland | 51-200 | Exact match | 35 contacts → |
“Le Groupe GVH est un groupement de bureaux d'ingénieurs offrant les prestations de conception, de réalisation d'ouvrage, et de conseils en matière technique dans le domaine du…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Henauer Gugler AGhegu.chHQ: Zürich, SwitzerlandReported employees: 51-200 | Zürich, Switzerland | 51-200 | Exact match | 35 contacts → |
“1922 von Ernst Rathgeb gegründet, hat unser Unternehmen bereits in frühen Jahren an wichtigen Bauwerken wie z.B.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 333 company matches
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Critical infrastructure 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
326 records in the displayed employee bands.
7 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Switzerland, so it is reported there. Company counts and contact totals on this page are exact for Switzerland, over 333 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 ↗
Questions about this company list
What does Exact match mean for critical infrastructure 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 critical infrastructure contractors did RevenueBase find based in Switzerland?
The saved snapshot records 333 matching company records, 10,038 tracked contacts and 4,479 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.
Related lists
Critical infrastructure contractors by geography
- Critical infrastructure contractors based in Buenos Aires, Argentina
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- Critical infrastructure contractors based in Brisbane, Australia
- Critical infrastructure contractors based in Melbourne, Australia
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- Critical infrastructure contractors based in Baku, Azerbaijan
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Cite this list
RevenueBase Data Team. Top 25 critical infrastructure contractors based in Switzerland. Snapshot: November 6, 2026. https://revenuebase.ai/companies/critical-infrastructure-contractors/switzerland.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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Company intelligence · public preview
Top 25 critical infrastructure contractors based in Switzerland
RevenueBase records 333 matching company records for critical infrastructure contractors based in Switzerland, with 10,038 tracked contacts and 4,479 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 critical infrastructure contractors based in Switzerland
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 | Impleniaimplenia.com HQ: Opfikon, SwitzerlandReported employees: 5,001-10,000 | Opfikon, Switzerland | 5,001-10,000 | Exact match | 3,279 contacts → |
“As Switzerland’s leading construction and real estate service provider, Implenia develops, builds and manages homes, workplaces and infrastructure for future generations in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Amstein Walthertamstein-walthert.ch HQ: Zurich, SwitzerlandReported employees: 1,001-5,000 | Zurich, Switzerland | 1,001-5,000 | Exact match | 571 contacts → |
“Ü Ingenieurskunst bedeutet, mit Ressourcen richtig umzugehen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Lombardi Engineering Switzerlandlombardi.group HQ: Bellinzona-giubiasco, SwitzerlandReported employees: 201-500 | Bellinzona-giubiasco, Switzerland | 201-500 | Exact match | 284 contacts → |
“Lombardi Switzerland is a leading engineering company with over 400 skilled engineers and technicians delivering multidisciplinary and specialized services in infrastructure and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Induni & CIE S.Ainduni.ch HQ: Petit-lancy 1, SwitzerlandReported employees: 501-1,000 | Petit-lancy 1, Switzerland | 501-1,000 | Exact match | 256 contacts → |
“INDUNI & CIE SA EST NÉE À L’INITIATIVE D’UNE FAMILLE DE PIONNIERS VISIONNAIRES QUI NOUS A LÉGUÉ DES VALEURS ET UNE CULTURE D’ENTREPRISE FORTES.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Arnold AGarnold.ch HQ: Wangen A.a., SwitzerlandReported employees: 501-1,000 | Wangen A.a., Switzerland | 501-1,000 | Exact match | 181 contacts → |
“Netzbau in den Bereichen Energie, Telecom, Verkehr und Wasser: das ist die Arnold AG.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | IUB Engineering LTDengineering-group.ch HQ: Bern 14, SwitzerlandReported employees: 201-500 | Bern 14, Switzerland | 201-500 | Exact match | 164 contacts → |
“IUB Engineering AG has been an overall planner for infrastructure systems for over 50 years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | F. Borner AGborner.ch HQ: Reiden, SwitzerlandReported employees: 51-200 | Reiden, Switzerland | 51-200 | Exact match | 92 contacts → |
“BORNER bewegt sich seit Jahrzehnten mit Leidenschaft, Dynamik und Expertise in der Energietechnik und deren Verteilung.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Stutz AG Bauunternehmungstutzag.ch HQ: Hefenhofen, SwitzerlandReported employees: 501-1,000 | Hefenhofen, Switzerland | 501-1,000 | Exact match | 83 contacts → |
“Wir bauen mit Menschen für Menschen Mit Professionalität und Kreativität auf dem Bau hat sich die STUTZ AG zum führenden Bauunternehmen in der Ostschweiz entwickelt.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Aarau, SwitzerlandReported employees: 51-200 | Aarau, Switzerland | 51-200 | Exact match | 78 contacts → |
“Bauunternehmung und Ingenieurbüro unter einem Dach Als einzige Schweizer Unternehmung verbinden wir seit 1918 Planung und Ausführung im Bauwesen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Locher Ingenieurelocher-ing.ch HQ: Stadtkreis 1 Altstadt, SwitzerlandReported employees: 51-200 | Stadtkreis 1 Altstadt, Switzerland | 51-200 | Exact match | 77 contacts → |
“In der Bearbeitung von interdisziplinären Grossprojekten bis zu kleinen «Eine-Person-Projekten» bietet Locher Ingenieure das ideale Umfeld.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Marti ARC Juramartiarcjura.ch HQ: Cornaux, SwitzerlandReported employees: 201-500 | Cornaux, Switzerland | 201-500 | Exact match | 67 contacts → |
“Marti arc jura met à votre service l'expertise d'un groupe international, alliée à la proximité de partenaires régio-naux maîtrisant parfaitement les spécificités de l'Arc…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Aarvia Gruppeaarvia.ch HQ: Würenlingen, SwitzerlandReported employees: 201-500 | Würenlingen, Switzerland | 201-500 | Exact match | 65 contacts → |
“Die Aarvia Gruppe ist mit rund 350 Mitarbeitenden eine der stärksten Strassen, Tief- und Erdbau-Unternehmen im Kanton Aargau.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Antiglio SAantiglio.ch HQ: Fribourg, SwitzerlandReported employees: 201-500 | Fribourg, Switzerland | 201-500 | Exact match | 64 contacts → |
“Antiglio SA Ouvert et engagé Antiglio SA développe depuis plus d’un siècle ses activités dans les domaines du bâtiment et du génie-civil.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Infra Tunnel SAinfratunnel.ch HQ: Marin-epagnier, SwitzerlandReported employees: 51-200 | Marin-epagnier, Switzerland | 51-200 | Exact match | 53 contacts → |
“Infra Tunnel construit et réhabilite des ouvrages souterrains d'infrastructures, hydrauliques, et industriels, dans toute la Suisse.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Bieri & Grisoni S.Abgsa.ch HQ: La Chaux-de-fonds, SwitzerlandReported employees: 51-200 | La Chaux-de-fonds, Switzerland | 51-200 | Exact match | 53 contacts → |
“La construction est notre passion!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Zurich, SwitzerlandReported employees: 51-200 | Zurich, Switzerland | 51-200 | Exact match | 47 contacts → |
“Die ILF Schweiz ist ein Ingenieur- und Beratungsunternehmen und Teil der international tätigen ILF-Holding.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Vanoli AGvanoli.ch HQ: Zofingen, SwitzerlandReported employees: 201-500 | Zofingen, Switzerland | 201-500 | Exact match | 46 contacts → |
“Vanoli AG – Baukunst zum Verlieben Perfektion von der Bauplanung bis zur Bauabnahme, innovative Ideen und Liebe zum Detail in den Bereichen Bahninfrastruktur – Gleistiefbau -…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Ernst Frey AGernstfreyag.ch HQ: Kaiseraugst, SwitzerlandReported employees: 201-500 | Kaiseraugst, Switzerland | 201-500 | Exact match | 45 contacts → |
“Voller Einsatz für all Ihre Bauvorhaben Ob es sich um kleinere handwerkliche Arbeiten oder um ein Grossprojekt handelt, beides ist bei uns in den richtigen Händen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Duvoisin Groux SAduvoisin-groux.ch HQ: Bussigny, SwitzerlandReported employees: 51-200 | Bussigny, Switzerland | 51-200 | Exact match | 45 contacts → |
“Fondé en 1947, Duvoisin-Groux SA, actif dans toute la Suisse romande, emploie une centaine de collaborateurs qualifiés et expérimentés, répartis dans quatre domaines d’activités -…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | S. Facchinetti SAfacchinettisa.ch HQ: Neuchâtel, SwitzerlandReported employees: 201-500 | Neuchâtel, Switzerland | 201-500 | Exact match | 41 contacts → |
“De la vision à la réalisation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Meier Jäggi AG Zofingenm-j.ch HQ: Zofingen, SwitzerlandReported employees: 201-500 | Zofingen, Switzerland | 201-500 | Exact match | 39 contacts → |
“MEIER+JÄGGI AG - Infrastrukturbau - Spezialtiefbau - Gleisbau / Gleistiefbau” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Eli10 SAeli10.ch HQ: Bevaix, SwitzerlandReported employees: 11-50 | Bevaix, Switzerland | 11-50 | Exact match | 38 contacts → |
“Eli10, votre fournisseur d’énergie sur les communes de Bevaix, Boudry, Cortaillod, Milvignes (villages d’Auvernier, Colombier et Bôle), Saint-Blaise, Le Landeron et Crissier.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Lötscher Plus Gruppeltp.ch HQ: Luzern, SwitzerlandReported employees: 201-500 | Luzern, Switzerland | 201-500 | Exact match | 38 contacts → |
“Der Weg in die Zukunft erfordert starke Verbindungen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Tramelan, SwitzerlandReported employees: 51-200 | Tramelan, Switzerland | 51-200 | Exact match | 35 contacts → |
“Le Groupe GVH est un groupement de bureaux d'ingénieurs offrant les prestations de conception, de réalisation d'ouvrage, et de conseils en matière technique dans le domaine du…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Henauer Gugler AGhegu.ch HQ: Zürich, SwitzerlandReported employees: 51-200 | Zürich, Switzerland | 51-200 | Exact match | 35 contacts → |
“1922 von Ernst Rathgeb gegründet, hat unser Unternehmen bereits in frühen Jahren an wichtigen Bauwerken wie z.B.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 333 company matches
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Critical infrastructure 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
326 records in the displayed employee bands.
7 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Switzerland, so it is reported there. Company counts and contact totals on this page are exact for Switzerland, over 333 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 ↗
Questions about this company list
What does Exact match mean for critical infrastructure 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 critical infrastructure contractors did RevenueBase find based in Switzerland?
The saved snapshot records 333 matching company records, 10,038 tracked contacts and 4,479 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 critical infrastructure contractors based in Switzerland. Snapshot: November 6, 2026. https://revenuebase.ai/companies/critical-infrastructure-contractors/switzerland.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Critical infrastructure contractors based in Buenos Aires, Argentina
- Critical infrastructure contractors based in Cordoba, Argentina
- Critical infrastructure contractors based in Brisbane, Australia
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- Critical infrastructure contractors based in Perth, Australia
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