Company lists · Data refreshed November 2026
Top 25 Underground infrastructure contractors based in Switzerland
RevenueBase identified 56 company matches for underground infrastructure contractors associated with Switzerland as of November 2026 and tracks 521 professional contacts across them, including 156 with verified work emails. Biel is the largest hub.
This list covers company matches for underground 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 underground infrastructure contractors based in Switzerland
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 | |||||
| 2 | 37 contacts → | ||||
Exact match “DIE ISEN TIEFBAU AG WURDE 1991 ALS TIEFBAUUNTERNEHMEN MIT 4 ANGESTELLTEN GEGRÜNDET.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 24 contacts → | ||||
Exact match “Wir sorgen dafür, dass alles dorthin fliesst, wo es soll – sicher und ohne Verluste.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 16 contacts → | ||||
Exact match “Unser erfahrenes Team besteht aus qualifizierten Ingenieuren, Technikern und Handwerkern, die über fundierte Kenntnisse in allen Aspekten des Netzbau verfügen.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 12 contacts → | ||||
Exact match “Die Marty Gruppe ist ein inhabergeführter Firmenverbund, der aus den Unternehmen Marty Bauleistungen AG, Marty Transportleistungen AG, Marty Spezialleistungen AG (Rohrleitungsbau).” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 9 contacts → | ||||
Exact match “Als Spezialisten mit vielfältiger Erfahrung in noch so heiklen und komplexen Herausforderungen beraten wir Sie kompetent und individuell.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 8 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 8 contacts → | ||||
Exact match “Im Tief- und Betonbau gehts handfest zu und her.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 7 contacts → | ||||
Exact match “Wir sind ein etabliertes, regionales Tiefbauunternehmen mit langjähriger Familientradition.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 7 contacts → | ||||
Exact match “Wir bauen mit Charkter.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 5 contacts → | ||||
Exact match “Die Hans Renggli Bau AG schaut auf bald hundert Jahre Geschichte zurück.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 5 contacts → | ||||
Exact match “Seit Giovanni Imperiali 1875 das Unternehmen gründete, liegt uns das Bauen im Blut.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 5 contacts → | ||||
Exact match “Herzlich willkommen bei Enginious, wo sich Ihre Bedürfnisse und unsere Fähigkeiten treffen: Hohe Qualität, Zuverlässigkeit und Geschwindigkeit.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 5 contacts → | ||||
Exact match “Rohrleitungsbau, Tief- und Strassenbau, Richtpressvortrieb” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 4 contacts → | ||||
Exact match “Spécialisés dans les travaux en tranchée et travaux sans tranchée, Zmoos SA offre des prestations de qualité reconnues dans toute la Suisse dans les domaines suivants : fouilles à…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 4 contacts → | ||||
Exact match “Meier Söhne Knecht AG is a company based out of Aarauerstrasse 112, Brugg, Aargau, Switzerland.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 3 contacts → | ||||
Exact match “Gesamtlösungen aus einer Hand!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 3 contacts → | ||||
Exact match “Seit über 65 Jahren setzt sich das Familienunternehmen Pius Schmid AG für fachgerechte und sorgfältige Ausführung im Tief, Strassen- und Belagsbau ein.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 3 contacts → | ||||
Exact match “Wir sind ein Bauunternehmen für Hochbau, Tiefbau, Umbau und Renovationen” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 3 contacts → | ||||
Exact match “Die LENTEC ist ein junges, aufstrebendes und zukunftsorientiertes Netzbauunternehmen mit Sitz in St.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 2 contacts → | ||||
Exact match “WISTRAG Strassen- und Tiefbau AG is a construction company based out of 30 Scheideggstrasse, Winterthur, Switzerland.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 1 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 1 contacts → | ||||
Exact match “Im Bereich des Tiefbaus können wir Ihnen ein 360° Angebot bieten.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 1 contacts → | ||||
Exact match Recorded description not available. 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 “underground 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 56 underground infrastructure contractors based in Switzerland
See the full list, filter by size, metro and specialty, and access 156 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Underground 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 56 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 “underground 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 156 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 “underground infrastructure contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many underground infrastructure contractors are there based in Switzerland?
RevenueBase identified 56 company matches for underground 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?
Infra Tunnel SA tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most underground infrastructure contractors?
Biel leads with 2 company records, followed by Dubendorf (2) and Goldau (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 156 professional contacts with verified work emails tracked across these 56 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 56 underground infrastructure contractors based in Switzerland. Start with a free account, no credit card.
Download this list →Related lists
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
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Company intelligence · public preview
Top 25 underground 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 56 matching company records for underground infrastructure contractors based in Switzerland, with 521 tracked contacts and 156 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 underground 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 |  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. | |||||
| 2 |  Isen Tiefbau AGisen-tiefbau.chHQ: Otelfingen, SwitzerlandReported employees: 201-500 | Otelfingen, Switzerland | 201-500 | Exact match | 37 contacts → |
“DIE ISEN TIEFBAU AG WURDE 1991 ALS TIEFBAUUNTERNEHMEN MIT 4 ANGESTELLTEN GEGRÜNDET.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Josef Muff AGmuff.chHQ: Sarmenstorf, SwitzerlandReported employees: 51-200 | Sarmenstorf, Switzerland | 51-200 | Exact match | 24 contacts → |
“Wir sorgen dafür, dass alles dorthin fliesst, wo es soll – sicher und ohne Verluste.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Netconstruction Gmbhnetconstruction.chHQ: Dübendorf, SwitzerlandReported employees: 11-50 | Dübendorf, Switzerland | 11-50 | Exact match | 16 contacts → |
“Unser erfahrenes Team besteht aus qualifizierten Ingenieuren, Technikern und Handwerkern, die über fundierte Kenntnisse in allen Aspekten des Netzbau verfügen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Marty Bauleistungen AGmarty-gruppe.chHQ: Azmoos, SwitzerlandReported employees: 51-200 | Azmoos, Switzerland | 51-200 | Exact match | 12 contacts → |
“Die Marty Gruppe ist ein inhabergeführter Firmenverbund, der aus den Unternehmen Marty Bauleistungen AG, Marty Transportleistungen AG, Marty Spezialleistungen AG (Rohrleitungsbau).” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Grund- UND Tiefbau AG Baselgrundundtiefbauag.chHQ: Basel, SwitzerlandReported employees: 11-50 | Basel, Switzerland | 11-50 | Exact match | 9 contacts → |
“Als Spezialisten mit vielfältiger Erfahrung in noch so heiklen und komplexen Herausforderungen beraten wir Sie kompetent und individuell.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Echenard SAechenard.ch HQ: Bex, SwitzerlandReported employees: 11-50 | Bex, Switzerland | 11-50 | Exact match | 8 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 |  Alpha Tief- UND Betonbau AGalphabau.chHQ: Weinfelden, SwitzerlandReported employees: 11-50 | Weinfelden, Switzerland | 11-50 | Exact match | 8 contacts → |
“Im Tief- und Betonbau gehts handfest zu und her.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Contratto AGcontratto.chHQ: Goldau, SwitzerlandReported employees: 11-50 | Goldau, Switzerland | 11-50 | Exact match | 7 contacts → |
“Wir sind ein etabliertes, regionales Tiefbauunternehmen mit langjähriger Familientradition.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Esslinger AGesslinger.chHQ: Wangen-brüttisellen, SwitzerlandReported employees: 51-200 | Wangen-brüttisellen, Switzerland | 51-200 | Exact match | 7 contacts → |
“Wir bauen mit Charkter.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Hans Renggli BAU AGhrbauag.chHQ: Malters, SwitzerlandReported employees: 51-200 | Malters, Switzerland | 51-200 | Exact match | 5 contacts → |
“Die Hans Renggli Bau AG schaut auf bald hundert Jahre Geschichte zurück.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Imperiali AGimperiali.chHQ: Büren An Der Aare, SwitzerlandReported employees: 51-200 | Büren An Der Aare, Switzerland | 51-200 | Exact match | 5 contacts → |
“Seit Giovanni Imperiali 1875 das Unternehmen gründete, liegt uns das Bauen im Blut.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Enginious AGenginious.chHQ: Winterthur, SwitzerlandReported employees: 1-10 | Winterthur, Switzerland | 1-10 | Exact match | 5 contacts → |
“Herzlich willkommen bei Enginious, wo sich Ihre Bedürfnisse und unsere Fähigkeiten treffen: Hohe Qualität, Zuverlässigkeit und Geschwindigkeit.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Bau4ubau4u.chHQ: Biel, SwitzerlandReported employees: 11-50 | Biel, Switzerland | 11-50 | Exact match | 5 contacts → |
“Rohrleitungsbau, Tief- und Strassenbau, Richtpressvortrieb” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Zmoos SAzmoos.comHQ: Montagny-près-yverdon, SwitzerlandReported employees: 11-50 | Montagny-près-yverdon, Switzerland | 11-50 | Exact match | 4 contacts → |
“Spécialisés dans les travaux en tranchée et travaux sans tranchée, Zmoos SA offre des prestations de qualité reconnues dans toute la Suisse dans les domaines suivants : fouilles à…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Meier Söhne Knecht AGmeierknecht.chHQ: Brugg, SwitzerlandReported employees: 1-10 | Brugg, Switzerland | 1-10 | Exact match | 4 contacts → |
“Meier Söhne Knecht AG is a company based out of Aarauerstrasse 112, Brugg, Aargau, Switzerland.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  IRH BAU Gmbhirh-bau.chHQ: Niedergösgen, SwitzerlandReported employees: 11-50 | Niedergösgen, Switzerland | 11-50 | Exact match | 3 contacts → |
“Gesamtlösungen aus einer Hand!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Pius Schmid AGpiusschmidag.chHQ: Visp, SwitzerlandReported employees: 51-200 | Visp, Switzerland | 51-200 | Exact match | 3 contacts → |
“Seit über 65 Jahren setzt sich das Familienunternehmen Pius Schmid AG für fachgerechte und sorgfältige Ausführung im Tief, Strassen- und Belagsbau ein.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Flach BAUflachbau.ch HQ: Pfungen, SwitzerlandReported employees: 1-10 | Pfungen, Switzerland | 1-10 | Exact match | 3 contacts → |
“Wir sind ein Bauunternehmen für Hochbau, Tiefbau, Umbau und Renovationen” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Lenteclentec.chHQ: St. Gallen, SwitzerlandReported employees: 1-10 | St. Gallen, Switzerland | 1-10 | Exact match | 3 contacts → |
“Die LENTEC ist ein junges, aufstrebendes und zukunftsorientiertes Netzbauunternehmen mit Sitz in St.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Huber Leitungsbau Gmbhhuber-leitungsbau.ch HQ: Buttisholz, SwitzerlandReported employees: 1-10 | Buttisholz, Switzerland | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | Wistrag Strassen- UND Tiefbau AGwistrag.ch HQ: SwitzerlandReported employees: 11-50 | Switzerland | 11-50 | Exact match | 2 contacts → |
“WISTRAG Strassen- und Tiefbau AG is a construction company based out of 30 Scheideggstrasse, Winterthur, Switzerland.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Sutter Bauunternehmungsutterbau.ch HQ: Oberbipp, SwitzerlandReported employees: 1-10 | Oberbipp, Switzerland | 1-10 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 |  Arnold Schnyder Tiefbau AGschnyder-tiefbau.chHQ: Vorderthal, SwitzerlandReported employees: 1-10 | Vorderthal, Switzerland | 1-10 | Exact match | 1 contacts → |
“Im Bereich des Tiefbaus können wir Ihnen ein 360° Angebot bieten.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Schmid Severin Söhne AGschmidseverinsoehne.ch HQ: Brig, SwitzerlandReported employees: 1-10 | Brig, Switzerland | 1-10 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 56 company matches
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Underground 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
54 records in the displayed employee bands.
2 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 56 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 underground 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 underground infrastructure contractors did RevenueBase find based in Switzerland?
The saved snapshot records 56 matching company records, 521 tracked contacts and 156 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
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- Underground infrastructure contractors based in San Antonio, United States
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Cite this list
RevenueBase Data Team. Top 25 underground infrastructure contractors based in Switzerland. Snapshot: November 6, 2026. https://revenuebase.ai/companies/underground-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 underground infrastructure contractors based in Switzerland
RevenueBase records 56 matching company records for underground infrastructure contractors based in Switzerland, with 521 tracked contacts and 156 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 underground 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 | 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. | |||||
| 2 | Isen Tiefbau AGisen-tiefbau.ch HQ: Otelfingen, SwitzerlandReported employees: 201-500 | Otelfingen, Switzerland | 201-500 | Exact match | 37 contacts → |
“DIE ISEN TIEFBAU AG WURDE 1991 ALS TIEFBAUUNTERNEHMEN MIT 4 ANGESTELLTEN GEGRÜNDET.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Josef Muff AGmuff.ch HQ: Sarmenstorf, SwitzerlandReported employees: 51-200 | Sarmenstorf, Switzerland | 51-200 | Exact match | 24 contacts → |
“Wir sorgen dafür, dass alles dorthin fliesst, wo es soll – sicher und ohne Verluste.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Netconstruction Gmbhnetconstruction.ch HQ: Dübendorf, SwitzerlandReported employees: 11-50 | Dübendorf, Switzerland | 11-50 | Exact match | 16 contacts → |
“Unser erfahrenes Team besteht aus qualifizierten Ingenieuren, Technikern und Handwerkern, die über fundierte Kenntnisse in allen Aspekten des Netzbau verfügen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Marty Bauleistungen AGmarty-gruppe.ch HQ: Azmoos, SwitzerlandReported employees: 51-200 | Azmoos, Switzerland | 51-200 | Exact match | 12 contacts → |
“Die Marty Gruppe ist ein inhabergeführter Firmenverbund, der aus den Unternehmen Marty Bauleistungen AG, Marty Transportleistungen AG, Marty Spezialleistungen AG (Rohrleitungsbau).” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Grund- UND Tiefbau AG Baselgrundundtiefbauag.ch HQ: Basel, SwitzerlandReported employees: 11-50 | Basel, Switzerland | 11-50 | Exact match | 9 contacts → |
“Als Spezialisten mit vielfältiger Erfahrung in noch so heiklen und komplexen Herausforderungen beraten wir Sie kompetent und individuell.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Echenard SAechenard.ch HQ: Bex, SwitzerlandReported employees: 11-50 | Bex, Switzerland | 11-50 | Exact match | 8 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 | Alpha Tief- UND Betonbau AGalphabau.ch HQ: Weinfelden, SwitzerlandReported employees: 11-50 | Weinfelden, Switzerland | 11-50 | Exact match | 8 contacts → |
“Im Tief- und Betonbau gehts handfest zu und her.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Contratto AGcontratto.ch HQ: Goldau, SwitzerlandReported employees: 11-50 | Goldau, Switzerland | 11-50 | Exact match | 7 contacts → |
“Wir sind ein etabliertes, regionales Tiefbauunternehmen mit langjähriger Familientradition.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Esslinger AGesslinger.ch HQ: Wangen-brüttisellen, SwitzerlandReported employees: 51-200 | Wangen-brüttisellen, Switzerland | 51-200 | Exact match | 7 contacts → |
“Wir bauen mit Charkter.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Hans Renggli BAU AGhrbauag.ch HQ: Malters, SwitzerlandReported employees: 51-200 | Malters, Switzerland | 51-200 | Exact match | 5 contacts → |
“Die Hans Renggli Bau AG schaut auf bald hundert Jahre Geschichte zurück.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Imperiali AGimperiali.ch HQ: Büren An Der Aare, SwitzerlandReported employees: 51-200 | Büren An Der Aare, Switzerland | 51-200 | Exact match | 5 contacts → |
“Seit Giovanni Imperiali 1875 das Unternehmen gründete, liegt uns das Bauen im Blut.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Enginious AGenginious.ch HQ: Winterthur, SwitzerlandReported employees: 1-10 | Winterthur, Switzerland | 1-10 | Exact match | 5 contacts → |
“Herzlich willkommen bei Enginious, wo sich Ihre Bedürfnisse und unsere Fähigkeiten treffen: Hohe Qualität, Zuverlässigkeit und Geschwindigkeit.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Bau4ubau4u.ch HQ: Biel, SwitzerlandReported employees: 11-50 | Biel, Switzerland | 11-50 | Exact match | 5 contacts → |
“Rohrleitungsbau, Tief- und Strassenbau, Richtpressvortrieb” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Zmoos SAzmoos.com HQ: Montagny-près-yverdon, SwitzerlandReported employees: 11-50 | Montagny-près-yverdon, Switzerland | 11-50 | Exact match | 4 contacts → |
“Spécialisés dans les travaux en tranchée et travaux sans tranchée, Zmoos SA offre des prestations de qualité reconnues dans toute la Suisse dans les domaines suivants : fouilles à…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Meier Söhne Knecht AGmeierknecht.ch HQ: Brugg, SwitzerlandReported employees: 1-10 | Brugg, Switzerland | 1-10 | Exact match | 4 contacts → |
“Meier Söhne Knecht AG is a company based out of Aarauerstrasse 112, Brugg, Aargau, Switzerland.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | IRH BAU Gmbhirh-bau.ch HQ: Niedergösgen, SwitzerlandReported employees: 11-50 | Niedergösgen, Switzerland | 11-50 | Exact match | 3 contacts → |
“Gesamtlösungen aus einer Hand!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Pius Schmid AGpiusschmidag.ch HQ: Visp, SwitzerlandReported employees: 51-200 | Visp, Switzerland | 51-200 | Exact match | 3 contacts → |
“Seit über 65 Jahren setzt sich das Familienunternehmen Pius Schmid AG für fachgerechte und sorgfältige Ausführung im Tief, Strassen- und Belagsbau ein.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Flach BAUflachbau.ch HQ: Pfungen, SwitzerlandReported employees: 1-10 | Pfungen, Switzerland | 1-10 | Exact match | 3 contacts → |
“Wir sind ein Bauunternehmen für Hochbau, Tiefbau, Umbau und Renovationen” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Lenteclentec.ch HQ: St. Gallen, SwitzerlandReported employees: 1-10 | St. Gallen, Switzerland | 1-10 | Exact match | 3 contacts → |
“Die LENTEC ist ein junges, aufstrebendes und zukunftsorientiertes Netzbauunternehmen mit Sitz in St.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Huber Leitungsbau Gmbhhuber-leitungsbau.ch HQ: Buttisholz, SwitzerlandReported employees: 1-10 | Buttisholz, Switzerland | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | Wistrag Strassen- UND Tiefbau AGwistrag.ch HQ: SwitzerlandReported employees: 11-50 | Switzerland | 11-50 | Exact match | 2 contacts → |
“WISTRAG Strassen- und Tiefbau AG is a construction company based out of 30 Scheideggstrasse, Winterthur, Switzerland.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Sutter Bauunternehmungsutterbau.ch HQ: Oberbipp, SwitzerlandReported employees: 1-10 | Oberbipp, Switzerland | 1-10 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 | Arnold Schnyder Tiefbau AGschnyder-tiefbau.ch HQ: Vorderthal, SwitzerlandReported employees: 1-10 | Vorderthal, Switzerland | 1-10 | Exact match | 1 contacts → |
“Im Bereich des Tiefbaus können wir Ihnen ein 360° Angebot bieten.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Schmid Severin Söhne AGschmidseverinsoehne.ch HQ: Brig, SwitzerlandReported employees: 1-10 | Brig, Switzerland | 1-10 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 56 company matches
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Underground 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
54 records in the displayed employee bands.
2 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 56 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 underground 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 underground infrastructure contractors did RevenueBase find based in Switzerland?
The saved snapshot records 56 matching company records, 521 tracked contacts and 156 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 underground infrastructure contractors based in Switzerland. Snapshot: November 6, 2026. https://revenuebase.ai/companies/underground-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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