Company lists · Data refreshed September 2026
Top 25 Infrastructure engineering staffing companies based in Vienna, Austria
RevenueBase identified 43 company matches for infrastructure engineering staffing companies associated with Vienna, Austria as of September 2026 and tracks 508 professional contacts across them, including 209 with verified work emails. Across Austria, Vienna is the largest hub for this category.
This list covers company matches for infrastructure engineering staffing companies associated with Vienna, Austria, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 28, 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 infrastructure engineering staffing companies based in Vienna, Austria
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 71 contacts → | ||||
Exact match “Our group built its reputation providing high-quality services and solutions for manpower, construction, and logistics.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 2 | 68 contacts → | ||||
Exact match “VCE Vienna Consulting Engineers ZT GmbH is an independent, high tech oriented consulting firm with its head office in Austria.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 3 | 61 contacts → | ||||
Exact match “Planmäßig zum Erfolg!” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 4 | 35 contacts → | ||||
Exact match “KS Ingenieure ZT GmbH - Ihr starker Partner für Ingenieurleistungen aus einer Hand!” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 5 | 30 contacts → | ||||
Exact match “Wir sind mit unserem innovativen Konzept als erster und einziger erfolgreich auf dem österreichischen Markt.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 6 | 26 contacts → | ||||
Exact match “WIR SIND ZELLNER!” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 7 | 24 contacts → | ||||
Exact match “Die Pilz & Partner Ziviltechniker GmbH mit Sitz in Wien, Graz, Klagenfurt und Bad Aussee besteht bereits seit dem Jahr 2015.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 8 | 20 contacts → | ||||
Exact match “WE ADD STABILITY TO VISION.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 9 | 16 contacts → | ||||
Exact match “Your individual operational situation is our personal challenge.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 10 | 15 contacts → | ||||
Exact match “Werkraum Ingenieure ZT GmbH & Co KG ist ein Ziviltechnikerbüro für Tragwerksplanung.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 11 | 10 contacts → | ||||
Exact match “We are experts in recruiting and providing highly skilled IT professionals, and are one of the leading IT staffing agencies in the Austrian IT market.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 12 | 9 contacts → | ||||
Exact match “IBBS ZT-GmbH konstruktiver Ingenieurbau – Verkehrsplanung – Infrastrukturentwicklung // Prüfingenieur, Planungs- und Baukoordination” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 13 | 9 contacts → | ||||
Exact match “Unser Büro, die KOB ZT G.m.b.H, bietet Dienstleistungen im gesamten Infrastruktursektor an.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 14 | 8 contacts → | ||||
Exact match “Die EPG wurde 1990 gegründet und ist ein Ingenieurbüro für Elektrotechnik mit Standorten in Wien und Spittal/Drau.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 15 | 7 contacts → | ||||
Exact match “Die Hans Lechner ZT ist ein Ingenieur- und Architekturbüro mit Spezialisierung auf komplexe Großbauvorhaben.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 16 | 7 contacts → | ||||
Exact match “Ziviltechniker.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 17 | 5 contacts → | ||||
Exact match “Die INGOB.ZT GmbH zählt zu den bedeutendsten österreichischen Ingenieurbüros.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 18 | 4 contacts → | ||||
Exact match “Ingenieurbüro für Kulturtechnik und Wasserwirtschaft” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 19 | 4 contacts → | ||||
Exact match “HTB-Plan Haustechnik Planungs GmbH – Mehr als 20 Jahre Erfolg in der Gebäudetechnik Seit unserer Gründung im Jahr 2001 haben wir uns von einem Ein-Mann-Betrieb zu einem führenden…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 20 | 4 contacts → | ||||
Exact match “STIX EXPERTS GmbH ist spezialisiert auf die Vermittlung von freiberuflichen Projektkräften sowie Kandidaten in Festanstellung und in der Arbeitskräfteüberlassung in den Bereichen…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 21 | 2 contacts → | ||||
Exact match “SKADIO ist eine spezialisierte Personalberatung, welche Teil einer etablierten, internationalen Unternehmensgruppe ist.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 22 | 2 contacts → | ||||
Exact match “Tragwerksplanung Geotechnik Örtliche Bauaufsicht Begleitende Kontrolle Prüfingenieurstätigkeit Planungskoordinator Baustellenkoordinator Planung von Umbauten und Neubauten” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 23 | 2 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 24 | 2 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 25 | 2 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 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 “infrastructure engineering staffing companies”. 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 43 infrastructure engineering staffing companies based in Vienna, Austria
See the full list, filter by size, metro and specialty, and access 209 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Infrastructure engineering staffing companies based in Vienna, Austria at a glance
As of Sep 28, 2026Companies by employee count
Email recency for this list is measured across the whole Austria list rather than for Vienna, so it is reported there. Company counts and contact totals on this page are exact for Vienna, over 43 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 Vienna, Austria whose business descriptions match “infrastructure engineering staffing companies” 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 209 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 28, 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 “infrastructure engineering staffing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many infrastructure engineering staffing companies are there based in Vienna, Austria?
RevenueBase identified 43 company matches for infrastructure engineering staffing companies associated with Vienna, Austria as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
EOS Energy Outsourcing Services tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in Austria has the most infrastructure engineering staffing companies?
Vienna leads Austria with 55 company records, followed by Graz (19) and Linz (8).
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 209 professional contacts with verified work emails tracked across these 43 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.
Ready to reach these companies? Verified emails and direct dials for all 43 infrastructure engineering staffing companies based in Vienna, Austria. 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 infrastructure engineering staffing companies based in Vienna, Austria
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 43 matching company records for infrastructure engineering staffing companies based in Vienna, Austria, with 508 tracked contacts and 209 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: September 28, 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 infrastructure engineering staffing companies based in Vienna, Austria
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 |  EOS Energy Outsourcing Serviceseoscorporation.comHQ: Vienna, AustriaReported employees: 1,001-5,000 | Vienna, Austria | 1,001-5,000 | Exact match | 71 contacts → |
“Our group built its reputation providing high-quality services and solutions for manpower, construction, and logistics.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Vienna, AustriaReported employees: 201-500 | Vienna, Austria | 201-500 | Exact match | 68 contacts → |
“VCE Vienna Consulting Engineers ZT GmbH is an independent, high tech oriented consulting firm with its head office in Austria.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Werner Consultwernerconsult.comHQ: Vienna, AustriaReported employees: 51-200 | Vienna, Austria | 51-200 | Exact match | 61 contacts → |
“Planmäßig zum Erfolg!” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  KS Ingenieure ZT Gmbhksingenieure.comHQ: Vienna, AustriaReported employees: 51-200 | Vienna, Austria | 51-200 | Exact match | 35 contacts → |
“KS Ingenieure ZT GmbH - Ihr starker Partner für Ingenieurleistungen aus einer Hand!” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Today Expertstoday-experts.comHQ: Vienna, AustriaReported employees: 201-500 | Vienna, Austria | 201-500 | Exact match | 30 contacts → |
“Wir sind mit unserem innovativen Konzept als erster und einziger erfolgreich auf dem österreichischen Markt.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Zellner Personal Lösungenpersonal-zellner.atHQ: Vienna, AustriaReported employees: 501-1,000 | Vienna, Austria | 501-1,000 | Exact match | 26 contacts → |
“WIR SIND ZELLNER!” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Vienna, AustriaReported employees: 51-200 | Vienna, Austria | 51-200 | Exact match | 24 contacts → |
“Die Pilz & Partner Ziviltechniker GmbH mit Sitz in Wien, Graz, Klagenfurt und Bad Aussee besteht bereits seit dem Jahr 2015.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Woschitz Groupwoschitzgroup.comHQ: Vienna, AustriaReported employees: 51-200 | Vienna, Austria | 51-200 | Exact match | 20 contacts → |
“WE ADD STABILITY TO VISION.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  LP Experts Personalmanagement Gmbhlp-experts.comHQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 16 contacts → |
“Your individual operational situation is our personal challenge.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Werkraum Ingenieure ZT Gmbh & CO KGwerkraum.comHQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 15 contacts → |
“Werkraum Ingenieure ZT GmbH & Co KG ist ein Ziviltechnikerbüro für Tragwerksplanung.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Itec Informationssysteme AGitec.atHQ: Vienna, AustriaReported employees: 201-500 | Vienna, Austria | 201-500 | Exact match | 10 contacts → |
“We are experts in recruiting and providing highly skilled IT professionals, and are one of the leading IT staffing agencies in the Austrian IT market.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Ibbs Zt-Gmbhibbs-zt.at HQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 9 contacts → |
“IBBS ZT-GmbH konstruktiver Ingenieurbau – Verkehrsplanung – Infrastrukturentwicklung // Prüfingenieur, Planungs- und Baukoordination” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  KOB ZT Ges.M.B.Hkob-zt.atHQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 9 contacts → |
“Unser Büro, die KOB ZT G.m.b.H, bietet Dienstleistungen im gesamten Infrastruktursektor an.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  EPG Elektroplanungs Gmbhtb-epg.atHQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 8 contacts → |
“Die EPG wurde 1990 gegründet und ist ein Ingenieurbüro für Elektrotechnik mit Standorten in Wien und Spittal/Drau.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Hans Lechner ZT E.Uhanslechner.atHQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 7 contacts → |
“Die Hans Lechner ZT ist ein Ingenieur- und Architekturbüro mit Spezialisierung auf komplexe Großbauvorhaben.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  GHP Gmeiner Haferl & Partner ZT Gmbhghp-zt.comHQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 7 contacts → |
“Ziviltechniker.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Ingob.Zt Gmbhingob.atHQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 5 contacts → |
“Die INGOB.ZT GmbH zählt zu den bedeutendsten österreichischen Ingenieurbüros.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Projekt Wasserprojektwasser.atHQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 4 contacts → |
“Ingenieurbüro für Kulturtechnik und Wasserwirtschaft” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Htb-Plan Haustechnik Planungs Gmbhhtb-plan.atHQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 4 contacts → |
“HTB-Plan Haustechnik Planungs GmbH – Mehr als 20 Jahre Erfolg in der Gebäudetechnik Seit unserer Gründung im Jahr 2001 haben wir uns von einem Ein-Mann-Betrieb zu einem führenden…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Stix Experts Gmbhstix-experts.comHQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 4 contacts → |
“STIX EXPERTS GmbH ist spezialisiert auf die Vermittlung von freiberuflichen Projektkräften sowie Kandidaten in Festanstellung und in der Arbeitskräfteüberlassung in den Bereichen…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Skadio Gmbhskadio.atHQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 2 contacts → |
“SKADIO ist eine spezialisierte Personalberatung, welche Teil einer etablierten, internationalen Unternehmensgruppe ist.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Katzkow & Partnerkatzkow-partner.atHQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 2 contacts → |
“Tragwerksplanung Geotechnik Örtliche Bauaufsicht Begleitende Kontrolle Prüfingenieurstätigkeit Planungskoordinator Baustellenkoordinator Planung von Umbauten und Neubauten” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Donauconsult Ingenieurbüro Gmbhdonauconsult.at HQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 | Europroject Ziviltechniker Gmbheuroproject.com HQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 | ZT Schattovitszt-schattovits.at HQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 43 company matches
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Infrastructure engineering staffing companies: dataset insights
September 28, 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
43 records in the displayed employee bands.
0 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 across the whole Austria list rather than for Vienna, so it is reported there. Company counts and contact totals on this page are exact for Vienna, over 43 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: September 28, 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 infrastructure engineering staffing companies?
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 infrastructure engineering staffing companies did RevenueBase find based in Vienna, Austria?
The saved snapshot records 43 matching company records, 508 tracked contacts and 209 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: September 28, 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
Infrastructure engineering staffing companies by geography
- Infrastructure engineering staffing companies based in Buenos Aires, Argentina
- Infrastructure engineering staffing companies based in Adelaide, Australia
- Infrastructure engineering staffing companies based in Brisbane, Australia
- Infrastructure engineering staffing companies based in Melbourne, Australia
- Infrastructure engineering staffing companies based in Perth, Australia
- Infrastructure engineering staffing companies based in Sydney, Australia
- Infrastructure engineering staffing companies based in Barueri, Brazil
- Infrastructure engineering staffing companies based in Belo Horizonte, Brazil
- Infrastructure engineering staffing companies based in Brasilia, Brazil
- Infrastructure engineering staffing companies based in Campinas, Brazil
- Infrastructure engineering staffing companies based in Curitiba, Brazil
- Infrastructure engineering staffing companies based in Fortaleza, Brazil
Cite this list
RevenueBase Data Team. Top 25 infrastructure engineering staffing companies based in Vienna, Austria. Snapshot: September 28, 2026. https://revenuebase.ai/companies/infrastructure-engineering-staffing-companies/austria/vienna.
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
- Infrastructure engineering staffing companies based in Buenos Aires, Argentina
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Company intelligence · public preview
Top 25 infrastructure engineering staffing companies based in Vienna, Austria
RevenueBase records 43 matching company records for infrastructure engineering staffing companies based in Vienna, Austria, with 508 tracked contacts and 209 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: September 28, 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 infrastructure engineering staffing companies based in Vienna, Austria
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 | EOS Energy Outsourcing Serviceseoscorporation.com HQ: Vienna, AustriaReported employees: 1,001-5,000 | Vienna, Austria | 1,001-5,000 | Exact match | 71 contacts → |
“Our group built its reputation providing high-quality services and solutions for manpower, construction, and logistics.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Vienna, AustriaReported employees: 201-500 | Vienna, Austria | 201-500 | Exact match | 68 contacts → |
“VCE Vienna Consulting Engineers ZT GmbH is an independent, high tech oriented consulting firm with its head office in Austria.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Werner Consultwernerconsult.com HQ: Vienna, AustriaReported employees: 51-200 | Vienna, Austria | 51-200 | Exact match | 61 contacts → |
“Planmäßig zum Erfolg!” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | KS Ingenieure ZT Gmbhksingenieure.com HQ: Vienna, AustriaReported employees: 51-200 | Vienna, Austria | 51-200 | Exact match | 35 contacts → |
“KS Ingenieure ZT GmbH - Ihr starker Partner für Ingenieurleistungen aus einer Hand!” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Today Expertstoday-experts.com HQ: Vienna, AustriaReported employees: 201-500 | Vienna, Austria | 201-500 | Exact match | 30 contacts → |
“Wir sind mit unserem innovativen Konzept als erster und einziger erfolgreich auf dem österreichischen Markt.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Zellner Personal Lösungenpersonal-zellner.at HQ: Vienna, AustriaReported employees: 501-1,000 | Vienna, Austria | 501-1,000 | Exact match | 26 contacts → |
“WIR SIND ZELLNER!” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Vienna, AustriaReported employees: 51-200 | Vienna, Austria | 51-200 | Exact match | 24 contacts → |
“Die Pilz & Partner Ziviltechniker GmbH mit Sitz in Wien, Graz, Klagenfurt und Bad Aussee besteht bereits seit dem Jahr 2015.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Woschitz Groupwoschitzgroup.com HQ: Vienna, AustriaReported employees: 51-200 | Vienna, Austria | 51-200 | Exact match | 20 contacts → |
“WE ADD STABILITY TO VISION.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | LP Experts Personalmanagement Gmbhlp-experts.com HQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 16 contacts → |
“Your individual operational situation is our personal challenge.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Werkraum Ingenieure ZT Gmbh & CO KGwerkraum.com HQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 15 contacts → |
“Werkraum Ingenieure ZT GmbH & Co KG ist ein Ziviltechnikerbüro für Tragwerksplanung.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Itec Informationssysteme AGitec.at HQ: Vienna, AustriaReported employees: 201-500 | Vienna, Austria | 201-500 | Exact match | 10 contacts → |
“We are experts in recruiting and providing highly skilled IT professionals, and are one of the leading IT staffing agencies in the Austrian IT market.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Ibbs Zt-Gmbhibbs-zt.at HQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 9 contacts → |
“IBBS ZT-GmbH konstruktiver Ingenieurbau – Verkehrsplanung – Infrastrukturentwicklung // Prüfingenieur, Planungs- und Baukoordination” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | KOB ZT Ges.M.B.Hkob-zt.at HQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 9 contacts → |
“Unser Büro, die KOB ZT G.m.b.H, bietet Dienstleistungen im gesamten Infrastruktursektor an.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | EPG Elektroplanungs Gmbhtb-epg.at HQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 8 contacts → |
“Die EPG wurde 1990 gegründet und ist ein Ingenieurbüro für Elektrotechnik mit Standorten in Wien und Spittal/Drau.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Hans Lechner ZT E.Uhanslechner.at HQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 7 contacts → |
“Die Hans Lechner ZT ist ein Ingenieur- und Architekturbüro mit Spezialisierung auf komplexe Großbauvorhaben.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | GHP Gmeiner Haferl & Partner ZT Gmbhghp-zt.com HQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 7 contacts → |
“Ziviltechniker.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Ingob.Zt Gmbhingob.at HQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 5 contacts → |
“Die INGOB.ZT GmbH zählt zu den bedeutendsten österreichischen Ingenieurbüros.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Projekt Wasserprojektwasser.at HQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 4 contacts → |
“Ingenieurbüro für Kulturtechnik und Wasserwirtschaft” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Htb-Plan Haustechnik Planungs Gmbhhtb-plan.at HQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 4 contacts → |
“HTB-Plan Haustechnik Planungs GmbH – Mehr als 20 Jahre Erfolg in der Gebäudetechnik Seit unserer Gründung im Jahr 2001 haben wir uns von einem Ein-Mann-Betrieb zu einem führenden…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Stix Experts Gmbhstix-experts.com HQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 4 contacts → |
“STIX EXPERTS GmbH ist spezialisiert auf die Vermittlung von freiberuflichen Projektkräften sowie Kandidaten in Festanstellung und in der Arbeitskräfteüberlassung in den Bereichen…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Skadio Gmbhskadio.at HQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 2 contacts → |
“SKADIO ist eine spezialisierte Personalberatung, welche Teil einer etablierten, internationalen Unternehmensgruppe ist.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Katzkow & Partnerkatzkow-partner.at HQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 2 contacts → |
“Tragwerksplanung Geotechnik Örtliche Bauaufsicht Begleitende Kontrolle Prüfingenieurstätigkeit Planungskoordinator Baustellenkoordinator Planung von Umbauten und Neubauten” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Donauconsult Ingenieurbüro Gmbhdonauconsult.at HQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 | Europroject Ziviltechniker Gmbheuroproject.com HQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 | ZT Schattovitszt-schattovits.at HQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 43 company matches
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Infrastructure engineering staffing companies: dataset insights
September 28, 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
43 records in the displayed employee bands.
0 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 across the whole Austria list rather than for Vienna, so it is reported there. Company counts and contact totals on this page are exact for Vienna, over 43 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: September 28, 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 infrastructure engineering staffing companies?
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 infrastructure engineering staffing companies did RevenueBase find based in Vienna, Austria?
The saved snapshot records 43 matching company records, 508 tracked contacts and 209 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: September 28, 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 infrastructure engineering staffing companies based in Vienna, Austria. Snapshot: September 28, 2026. https://revenuebase.ai/companies/infrastructure-engineering-staffing-companies/austria/vienna.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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