Company lists · Data refreshed November 2026
Top 25 Oil and gas engineering consultants based in Switzerland
RevenueBase identified 380 company matches for oil and gas engineering consultants associated with Switzerland as of November 2026 and tracks 4,965 professional contacts across them, including 2,153 with verified work emails. Geneva is the largest hub.
This list covers company matches for oil and gas engineering consultants 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 4, 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 oil and gas engineering consultants based in Switzerland
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 571 contacts → | ||||
Exact match “Ü Ingenieurskunst bedeutet, mit Ressourcen richtig umzugehen.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 2 | 289 contacts → | ||||
Exact match “Comprehensive know-how and many years of experience Since 1953, we have been providing our clients with design, consulting and project management services for all phases of their…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 3 | 276 contacts → | ||||
Exact match “For over 90 years, HOLINGER has been solving engineering and scientific tasks in various fields related to the water cycle.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 4 | 174 contacts → | ||||
Exact match “Drees & Sommer Switzerland is a consulting company providing a single source of consultation and implementation services for the real estate, infrastructure and industrial markets.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 5 | 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 4, 2026 · View company records in RevenueBase | |||||
| 6 | 76 contacts → | ||||
Exact match “Nous sommes une entreprise qui a pour but l'ingénierie, le conseil, la conception, l'établissement de projets, la direction des travaux et l'exploitation dans le domaine des…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 7 | 62 contacts → | ||||
Exact match “Bauprojekte sind Teamleistungen.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 8 | 58 contacts → | ||||
Exact match “From the first reflection to the achievement, you can trust our expertise for your ambitious projects.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 9 | 52 contacts → | ||||
Exact match “Weinmann-Energies est un bureau d’ingénieurs-conseils EPFL-SIA-SuisseIng.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 10 | 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 4, 2026 · View company records in RevenueBase | |||||
| 11 | 45 contacts → | ||||
Exact match “Wir sind nicht nur Elektroingenieure.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 12 | 44 contacts → | ||||
Exact match “The art of engineering.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 13 | 44 contacts → | ||||
Exact match “Die BERING ist eine Ingenieurunternehmung für die Beratung und Projektierung von Elektroanlagen aller Art.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 14 | 39 contacts → | ||||
Exact match “Gruner AG, Gebäudetechnik Basel, gegründet 1974, ist eine unabhängige Ingenieur- und Planungsfirma.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 15 | 38 contacts → | ||||
Exact match “Lemon Consult is a specialized engineering and consulting office for energy efficiency, sustainability and renewable energies in the area of building and technical systems.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 16 | 37 contacts → | ||||
Exact match “Revolutionize your industry with our sustainable and innovative solutions for chemistry, pharma, food, and microtechnology.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 17 | 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 4, 2026 · View company records in RevenueBase | |||||
| 18 | 33 contacts → | ||||
Exact match “Evolve SA nasce nel 2008 come studio di ingegneria multidisciplinare ed è cresciuta fino a diventare un partner che, a seconda delle necessità, è in grado di accompagnare clienti…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 19 | 33 contacts → | ||||
Exact match “PEG is an Independent Engineering Consultant specializing in Cement, Environment and Infrastructure projects.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 20 | 31 contacts → | ||||
Exact match “TECNOSERVICE ENGINEERING SA est un bureau d’études et d’ingénieurs conseils pour les installations techniques et études énergétiques liées au bâtiment et à l’industrie.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 21 | 30 contacts → | ||||
Exact match “Im Jahr erfüllten sich Thomas Lüem, Beat Keusch und Rafael Stoop den gemeinsamen Traum des eigenen Unternehmens.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 22 | 29 contacts → | ||||
Exact match “Unserem Ingenieurunternehmen ist es ein grosses Anliegen, individuell und persönlich auf Ihre Wünsche einzugehen.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 23 | 29 contacts → | ||||
Exact match “Situé à Yverdon-les-Bains et à Lausanne, ENERGA SA est un bureau d’ingénieurs-conseils EPFL-SIA actif sur l’ensemble de la Suisse romande.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 24 | 29 contacts → | ||||
Exact match “Cement Engineering SA (CESA) Engineering is a professionals business!” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 25 | 28 contacts → | ||||
Exact match “Die Tradition der Flückiger + Bosshard AG, als Teil einer innovativen, leistungsstarken und unabhängigen Ingenieurgruppe im Ingenieurbau reicht zurück bis ins Jahr 1964.” Recorded in the RevenueBase company graph · Nov 4, 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 “oil and gas engineering consultants”. 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 380 oil and gas engineering consultants based in Switzerland
See the full list, filter by size, metro and specialty, and access 2,153 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Oil and gas engineering consultants based in Switzerland at a glance
As of Nov 4, 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 380 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 “oil and gas engineering consultants” 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 2,153 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 4, 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.
Oil and gas engineering consultants by metro
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 “oil and gas engineering consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many oil and gas engineering consultants are there based in Switzerland?
RevenueBase identified 380 company matches for oil and gas engineering consultants 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?
Amstein Walthert tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most oil and gas engineering consultants?
Geneva leads with 25 company records, followed by Zurich (21) and Lausanne (14).
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 2,153 professional contacts with verified work emails tracked across these 380 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 4, 2026.
Ready to reach these companies? Verified emails and direct dials for all 380 oil and gas engineering consultants 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.
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Company intelligence · public preview
Top 25 oil and gas engineering consultants 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 380 matching company records for oil and gas engineering consultants based in Switzerland, with 4,965 tracked contacts and 2,153 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 4, 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 oil and gas engineering consultants 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 |  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 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Emch Berger Groupemchberger.chHQ: Bern, SwitzerlandReported employees: 501-1,000 | Bern, Switzerland | 501-1,000 | Exact match | 289 contacts → |
“Comprehensive know-how and many years of experience Since 1953, we have been providing our clients with design, consulting and project management services for all phases of their…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Holinger AGholinger.comHQ: Liestal, SwitzerlandReported employees: 501-1,000 | Liestal, Switzerland | 501-1,000 | Exact match | 276 contacts → |
“For over 90 years, HOLINGER has been solving engineering and scientific tasks in various fields related to the water cycle.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Drees & Sommer Switzerlanddreso.chHQ: Zürich, SwitzerlandReported employees: 201-500 | Zürich, Switzerland | 201-500 | Exact match | 174 contacts → |
“Drees & Sommer Switzerland is a consulting company providing a single source of consultation and implementation services for the real estate, infrastructure and industrial markets.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  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 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Betelec SAbetelec.chHQ: Villars-ste-croix, SwitzerlandReported employees: 51-200 | Villars-ste-croix, Switzerland | 51-200 | Exact match | 76 contacts → |
“Nous sommes une entreprise qui a pour but l'ingénierie, le conseil, la conception, l'établissement de projets, la direction des travaux et l'exploitation dans le domaine des…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Wil, SwitzerlandReported employees: 51-200 | Wil, Switzerland | 51-200 | Exact match | 62 contacts → |
“Bauprojekte sind Teamleistungen.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  SP Groups Engineeringspgroups.chHQ: 1920 Martigny, SwitzerlandReported employees: 51-200 | 1920 Martigny, Switzerland | 51-200 | Exact match | 58 contacts → |
“From the first reflection to the achievement, you can trust our expertise for your ambitious projects.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Weinmann-Energies SAweinmann-energies.chHQ: Echallens, SwitzerlandReported employees: 51-200 | Echallens, Switzerland | 51-200 | Exact match | 52 contacts → |
“Weinmann-Energies est un bureau d’ingénieurs-conseils EPFL-SIA-SuisseIng.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | 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 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Boess Gruppeboess.chHQ: Bern, SwitzerlandReported employees: 51-200 | Bern, Switzerland | 51-200 | Exact match | 45 contacts → |
“Wir sind nicht nur Elektroingenieure.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  ZPF Ingenieure AGzpfing.chHQ: Basel, SwitzerlandReported employees: 51-200 | Basel, Switzerland | 51-200 | Exact match | 44 contacts → |
“The art of engineering.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Bering AGbering.chHQ: Bern 25, SwitzerlandReported employees: 51-200 | Bern 25, Switzerland | 51-200 | Exact match | 44 contacts → |
“Die BERING ist eine Ingenieurunternehmung für die Beratung und Projektierung von Elektroanlagen aller Art.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Basel, SwitzerlandReported employees: 51-200 | Basel, Switzerland | 51-200 | Exact match | 39 contacts → |
“Gruner AG, Gebäudetechnik Basel, gegründet 1974, ist eine unabhängige Ingenieur- und Planungsfirma.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Lemon Consult AGlemonconsult.chHQ: Zürich, SwitzerlandReported employees: 11-50 | Zürich, Switzerland | 11-50 | Exact match | 38 contacts → |
“Lemon Consult is a specialized engineering and consulting office for energy efficiency, sustainability and renewable energies in the area of building and technical systems.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Added Value Engineeringavengineering.chHQ: Martigny, SwitzerlandReported employees: 11-50 | Martigny, Switzerland | 11-50 | Exact match | 37 contacts → |
“Revolutionize your industry with our sustainable and innovative solutions for chemistry, pharma, food, and microtechnology.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  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 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Evolveevolve-sa.chHQ: Bellinzona, SwitzerlandReported employees: 11-50 | Bellinzona, Switzerland | 11-50 | Exact match | 33 contacts → |
“Evolve SA nasce nel 2008 come studio di ingegneria multidisciplinare ed è cresciuta fino a diventare un partner che, a seconda delle necessità, è in grado di accompagnare clienti…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  PEGpegeng.chHQ: Lancy, SwitzerlandReported employees: 51-200 | Lancy, Switzerland | 51-200 | Exact match | 33 contacts → |
“PEG is an Independent Engineering Consultant specializing in Cement, Environment and Infrastructure projects.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Tecnoservice Engineering SAtecnoservice.chHQ: Fribourg, SwitzerlandReported employees: 51-200 | Fribourg, Switzerland | 51-200 | Exact match | 31 contacts → |
“TECNOSERVICE ENGINEERING SA est un bureau d’études et d’ingénieurs conseils pour les installations techniques et études énergétiques liées au bâtiment et à l’industrie.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Thomas Lüem Partner AGtlp.chHQ: Baar, SwitzerlandReported employees: 51-200 | Baar, Switzerland | 51-200 | Exact match | 30 contacts → |
“Im Jahr erfüllten sich Thomas Lüem, Beat Keusch und Rafael Stoop den gemeinsamen Traum des eigenen Unternehmens.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Durena AGdurena.chHQ: Lenzburg, SwitzerlandReported employees: 11-50 | Lenzburg, Switzerland | 11-50 | Exact match | 29 contacts → |
“Unserem Ingenieurunternehmen ist es ein grosses Anliegen, individuell und persönlich auf Ihre Wünsche einzugehen.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Energa SAenerga.chHQ: Lausanne, SwitzerlandReported employees: 11-50 | Lausanne, Switzerland | 11-50 | Exact match | 29 contacts → |
“Situé à Yverdon-les-Bains et à Lausanne, ENERGA SA est un bureau d’ingénieurs-conseils EPFL-SIA actif sur l’ensemble de la Suisse romande.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Cement Engineering SA Cesacesaeng.comHQ: Geneve Carouge, SwitzerlandReported employees: 11-50 | Geneve Carouge, Switzerland | 11-50 | Exact match | 29 contacts → |
“Cement Engineering SA (CESA) Engineering is a professionals business!” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Flückiger Bosshard AGfbag.chHQ: Zürich, SwitzerlandReported employees: 51-200 | Zürich, Switzerland | 51-200 | Exact match | 28 contacts → |
“Die Tradition der Flückiger + Bosshard AG, als Teil einer innovativen, leistungsstarken und unabhängigen Ingenieurgruppe im Ingenieurbau reicht zurück bis ins Jahr 1964.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 380 company matches
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Oil and gas engineering consultants: dataset insights
November 4, 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
375 records in the displayed employee bands.
5 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 380 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 4, 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 ↗
Oil and gas engineering consultants by metro
Questions about this company list
What does Exact match mean for oil and gas engineering consultants?
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 oil and gas engineering consultants did RevenueBase find based in Switzerland?
The saved snapshot records 380 matching company records, 4,965 tracked contacts and 2,153 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 4, 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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Cite this list
RevenueBase Data Team. Top 25 oil and gas engineering consultants based in Switzerland. Snapshot: November 4, 2026. https://revenuebase.ai/companies/oil-and-gas-engineering-consultants/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 oil and gas engineering consultants based in Switzerland
RevenueBase records 380 matching company records for oil and gas engineering consultants based in Switzerland, with 4,965 tracked contacts and 2,153 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 4, 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 oil and gas engineering consultants 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 | 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 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Emch Berger Groupemchberger.ch HQ: Bern, SwitzerlandReported employees: 501-1,000 | Bern, Switzerland | 501-1,000 | Exact match | 289 contacts → |
“Comprehensive know-how and many years of experience Since 1953, we have been providing our clients with design, consulting and project management services for all phases of their…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Holinger AGholinger.com HQ: Liestal, SwitzerlandReported employees: 501-1,000 | Liestal, Switzerland | 501-1,000 | Exact match | 276 contacts → |
“For over 90 years, HOLINGER has been solving engineering and scientific tasks in various fields related to the water cycle.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Drees & Sommer Switzerlanddreso.ch HQ: Zürich, SwitzerlandReported employees: 201-500 | Zürich, Switzerland | 201-500 | Exact match | 174 contacts → |
“Drees & Sommer Switzerland is a consulting company providing a single source of consultation and implementation services for the real estate, infrastructure and industrial markets.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | 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 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Betelec SAbetelec.ch HQ: Villars-ste-croix, SwitzerlandReported employees: 51-200 | Villars-ste-croix, Switzerland | 51-200 | Exact match | 76 contacts → |
“Nous sommes une entreprise qui a pour but l'ingénierie, le conseil, la conception, l'établissement de projets, la direction des travaux et l'exploitation dans le domaine des…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Wil, SwitzerlandReported employees: 51-200 | Wil, Switzerland | 51-200 | Exact match | 62 contacts → |
“Bauprojekte sind Teamleistungen.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | SP Groups Engineeringspgroups.ch HQ: 1920 Martigny, SwitzerlandReported employees: 51-200 | 1920 Martigny, Switzerland | 51-200 | Exact match | 58 contacts → |
“From the first reflection to the achievement, you can trust our expertise for your ambitious projects.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Weinmann-Energies SAweinmann-energies.ch HQ: Echallens, SwitzerlandReported employees: 51-200 | Echallens, Switzerland | 51-200 | Exact match | 52 contacts → |
“Weinmann-Energies est un bureau d’ingénieurs-conseils EPFL-SIA-SuisseIng.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | 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 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Boess Gruppeboess.ch HQ: Bern, SwitzerlandReported employees: 51-200 | Bern, Switzerland | 51-200 | Exact match | 45 contacts → |
“Wir sind nicht nur Elektroingenieure.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | ZPF Ingenieure AGzpfing.ch HQ: Basel, SwitzerlandReported employees: 51-200 | Basel, Switzerland | 51-200 | Exact match | 44 contacts → |
“The art of engineering.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Bering AGbering.ch HQ: Bern 25, SwitzerlandReported employees: 51-200 | Bern 25, Switzerland | 51-200 | Exact match | 44 contacts → |
“Die BERING ist eine Ingenieurunternehmung für die Beratung und Projektierung von Elektroanlagen aller Art.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Basel, SwitzerlandReported employees: 51-200 | Basel, Switzerland | 51-200 | Exact match | 39 contacts → |
“Gruner AG, Gebäudetechnik Basel, gegründet 1974, ist eine unabhängige Ingenieur- und Planungsfirma.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Lemon Consult AGlemonconsult.ch HQ: Zürich, SwitzerlandReported employees: 11-50 | Zürich, Switzerland | 11-50 | Exact match | 38 contacts → |
“Lemon Consult is a specialized engineering and consulting office for energy efficiency, sustainability and renewable energies in the area of building and technical systems.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Added Value Engineeringavengineering.ch HQ: Martigny, SwitzerlandReported employees: 11-50 | Martigny, Switzerland | 11-50 | Exact match | 37 contacts → |
“Revolutionize your industry with our sustainable and innovative solutions for chemistry, pharma, food, and microtechnology.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | 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 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Evolveevolve-sa.ch HQ: Bellinzona, SwitzerlandReported employees: 11-50 | Bellinzona, Switzerland | 11-50 | Exact match | 33 contacts → |
“Evolve SA nasce nel 2008 come studio di ingegneria multidisciplinare ed è cresciuta fino a diventare un partner che, a seconda delle necessità, è in grado di accompagnare clienti…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | PEGpegeng.ch HQ: Lancy, SwitzerlandReported employees: 51-200 | Lancy, Switzerland | 51-200 | Exact match | 33 contacts → |
“PEG is an Independent Engineering Consultant specializing in Cement, Environment and Infrastructure projects.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Tecnoservice Engineering SAtecnoservice.ch HQ: Fribourg, SwitzerlandReported employees: 51-200 | Fribourg, Switzerland | 51-200 | Exact match | 31 contacts → |
“TECNOSERVICE ENGINEERING SA est un bureau d’études et d’ingénieurs conseils pour les installations techniques et études énergétiques liées au bâtiment et à l’industrie.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Thomas Lüem Partner AGtlp.ch HQ: Baar, SwitzerlandReported employees: 51-200 | Baar, Switzerland | 51-200 | Exact match | 30 contacts → |
“Im Jahr erfüllten sich Thomas Lüem, Beat Keusch und Rafael Stoop den gemeinsamen Traum des eigenen Unternehmens.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Durena AGdurena.ch HQ: Lenzburg, SwitzerlandReported employees: 11-50 | Lenzburg, Switzerland | 11-50 | Exact match | 29 contacts → |
“Unserem Ingenieurunternehmen ist es ein grosses Anliegen, individuell und persönlich auf Ihre Wünsche einzugehen.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Energa SAenerga.ch HQ: Lausanne, SwitzerlandReported employees: 11-50 | Lausanne, Switzerland | 11-50 | Exact match | 29 contacts → |
“Situé à Yverdon-les-Bains et à Lausanne, ENERGA SA est un bureau d’ingénieurs-conseils EPFL-SIA actif sur l’ensemble de la Suisse romande.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Cement Engineering SA Cesacesaeng.com HQ: Geneve Carouge, SwitzerlandReported employees: 11-50 | Geneve Carouge, Switzerland | 11-50 | Exact match | 29 contacts → |
“Cement Engineering SA (CESA) Engineering is a professionals business!” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Flückiger Bosshard AGfbag.ch HQ: Zürich, SwitzerlandReported employees: 51-200 | Zürich, Switzerland | 51-200 | Exact match | 28 contacts → |
“Die Tradition der Flückiger + Bosshard AG, als Teil einer innovativen, leistungsstarken und unabhängigen Ingenieurgruppe im Ingenieurbau reicht zurück bis ins Jahr 1964.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Oil and gas engineering consultants: dataset insights
November 4, 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
375 records in the displayed employee bands.
5 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 380 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 4, 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 ↗
Oil and gas engineering consultants by metro
Questions about this company list
What does Exact match mean for oil and gas engineering consultants?
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 oil and gas engineering consultants did RevenueBase find based in Switzerland?
The saved snapshot records 380 matching company records, 4,965 tracked contacts and 2,153 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 4, 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 oil and gas engineering consultants based in Switzerland. Snapshot: November 4, 2026. https://revenuebase.ai/companies/oil-and-gas-engineering-consultants/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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