Company lists · Data refreshed November 2026
Top 23 Oil and gas engineering firms based in Hungary
RevenueBase identified 71 company matches for oil and gas engineering firms associated with Hungary as of November 2026 and tracks 808 professional contacts across them, including 230 with verified work emails. Budapest is the largest hub.
This list covers company matches for oil and gas engineering firms associated with Hungary, 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 23 largest oil and gas engineering firms based in Hungary
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 146 contacts → | ||||
Exact match “More than 35 years of engineering experience, extensive professional knowledge, service excellence, cost efficiency, reliability and dynamism – this is Óbuda Group.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 2 | 106 contacts → | ||||
Exact match “The Petrolszolg Karbantartó és Szolgáltató Kft.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 3 | 98 contacts → | ||||
Exact match “History Hungary’s leading engineering company has been delivering solutions with a holistic approach, complex vision and innovative technological background since 2012.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 4 | 58 contacts → | ||||
Exact match “Főmterv was established in 1950 and has successfully combined the values of many years of experience and engineering tradition with the ability of continuous technical renewal and…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 5 | 56 contacts → | ||||
Exact match “OLAJTERV Engineering Co.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 6 | 46 contacts → | ||||
Exact match “We specialize in providing high quality, cost effective services for hydrocarbon and geothermal exploration, and the production sector.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 7 | 13 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 8 | 11 contacts → | ||||
Exact match “A Holimex Mérnöki és Kereskedelmi Kft.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 9 | 11 contacts → | ||||
Exact match “The mission of Plant industrial Engineering, Kft.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 10 | 11 contacts → | ||||
Exact match “E+P+C company for industrial project.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 11 | 8 contacts → | ||||
Exact match “Industries: oil, petrochemical, power generation, pharmaceutical, chemical industries; water works and savage works.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 12 | 8 contacts → | ||||
Exact match “Our company, ProCoPlan Ltd.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 13 | 7 contacts → | ||||
Exact match “We’re a Hungarian-owned company delivering precise, reliable, and innovative steel structure solutions for both domestic and international customers, especially in the cement…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 14 | 7 contacts → | ||||
Exact match “Az NG Project Kft.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 15 | 6 contacts → | ||||
Exact match “Professzionális mérnöki szolgáltatást nyújtunk épületgépészeti és technológiai tervezési területen, elsősorban vállalkozások számára, szakmai tapasztalatunk és a legmodernebb…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 16 | 2 contacts → | ||||
Exact match “KÖMI Ltd.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 17 | 2 contacts → | ||||
Exact match “Goal of our company to provide fast, reliable and cost-effective solutions to our Customers in a wide range of Engineering Services.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 18 | 2 contacts → | ||||
Exact match “Design, consultancy, engineering, permitting, project management, technical supervision services for industrial and commercial construction projects- Founded in 2006 with decades…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 19 | 2 contacts → | ||||
Exact match “Structural engineering” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 20 | 1 contacts → | ||||
Exact match “GANZ Danubius Construction is an innovative Hungarian partner for consulting, project management, engineering, procurement, and construction.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 21 | 1 contacts → | ||||
Exact match “A HGRV Informatikai Kft.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 22 | 1 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 23 | 1 contacts → | ||||
Exact match “We in Maraton-Mérnök Kft deliver services from the bottom of the control system till the high level production optimization.” 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 firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 23 of 71 oil and gas engineering firms based in Hungary
See the full list, filter by size, metro and specialty, and access 230 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Oil and gas engineering firms based in Hungary at a glance
As of Nov 4, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Hungary, so it is reported there. Company counts and contact totals on this page are exact for Hungary, over 71 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 Hungary whose business descriptions match “oil and gas engineering firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 230 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 firms 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 firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many oil and gas engineering firms are there based in Hungary?
RevenueBase identified 71 company matches for oil and gas engineering firms associated with Hungary 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?
Óbuda Group 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 firms?
Budapest leads with 26 company records, followed by Miskolc (3) and Szazhalombatta (3).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 230 professional contacts with verified work emails tracked across these 71 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 71 oil and gas engineering firms based in Hungary. 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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- Lists by location
- Lists A-Z
- New lists
- Oil and gas engineering firms based in Luanda, Angola
- Oil and gas engineering firms based in Buenos Aires, Argentina
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Company intelligence · public preview
Top 23 oil and gas engineering firms based in Hungary
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 71 matching company records for oil and gas engineering firms based in Hungary, with 808 tracked contacts and 230 verified work emails.
This public preview shows 23 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 23 oil and gas engineering firms based in Hungary
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 |  Óbuda Groupobudagroup.comHQ: Budapest, HungaryReported employees: 201-500 | Budapest, Hungary | 201-500 | Exact match | 146 contacts → |
“More than 35 years of engineering experience, extensive professional knowledge, service excellence, cost efficiency, reliability and dynamism – this is Óbuda Group.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Petrolszolg KFTpetrolszolg.hu HQ: Százhalombatta, HungaryReported employees: 501-1,000 | Százhalombatta, Hungary | 501-1,000 | Exact match | 106 contacts → |
“The Petrolszolg Karbantartó és Szolgáltató Kft.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Tspc Grouptspcgroup.comHQ: Budapest, HungaryReported employees: 51-200 | Budapest, Hungary | 51-200 | Exact match | 98 contacts → |
“History Hungary’s leading engineering company has been delivering solutions with a holistic approach, complex vision and innovative technological background since 2012.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: HungaryReported employees: 201-500 | Hungary | 201-500 | Exact match | 58 contacts → |
“Főmterv was established in 1950 and has successfully combined the values of many years of experience and engineering tradition with the ability of continuous technical renewal and…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Olajterv Engineering Co. LTDolajterv.huHQ: Budapest, HungaryReported employees: 51-200 | Budapest, Hungary | 51-200 | Exact match | 56 contacts → |
“OLAJTERV Engineering Co.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Geoinform LTDgeoinform.hu HQ: Algyő, HungaryReported employees: 51-200 | Algyő, Hungary | 51-200 | Exact match | 46 contacts → |
“We specialize in providing high quality, cost effective services for hydrocarbon and geothermal exploration, and the production sector.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Euroil Industrial & Trade Co. LTDeuroil.euHQ: Budapest, HungaryReported employees: 11-50 | Budapest, Hungary | 11-50 | Exact match | 13 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 |  Holimex KFTholimex.huHQ: Budapest, HungaryReported employees: 11-50 | Budapest, Hungary | 11-50 | Exact match | 11 contacts → |
“A Holimex Mérnöki és Kereskedelmi Kft.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Plant Industrial Engineering KFTpiengineering.huHQ: Budapest, HungaryReported employees: 1-10 | Budapest, Hungary | 1-10 | Exact match | 11 contacts → |
“The mission of Plant industrial Engineering, Kft.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Kuark Industry International KFTkuarkinternational.comHQ: Budapest, HungaryReported employees: 51-200 | Budapest, Hungary | 51-200 | Exact match | 11 contacts → |
“E+P+C company for industrial project.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Trans LEX Work LTDtlw.hu HQ: Budapest, HungaryReported employees: 11-50 | Budapest, Hungary | 11-50 | Exact match | 8 contacts → |
“Industries: oil, petrochemical, power generation, pharmaceutical, chemical industries; water works and savage works.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Procoplan LTDprocoplan.huHQ: Érd, HungaryReported employees: 11-50 | Érd, Hungary | 11-50 | Exact match | 8 contacts → |
“Our company, ProCoPlan Ltd.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Gmbs Designgmbsdesign.comHQ: Budapest, HungaryReported employees: 11-50 | Budapest, Hungary | 11-50 | Exact match | 7 contacts → |
“We’re a Hungarian-owned company delivering precise, reliable, and innovative steel structure solutions for both domestic and international customers, especially in the cement…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | NG Project KFTngproject.hu HQ: Miskolc, HungaryReported employees: 11-50 | Miskolc, Hungary | 11-50 | Exact match | 7 contacts → |
“Az NG Project Kft.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Lanterv Mérnöki Irodalanterv.huHQ: Budapest, HungaryReported employees: 11-50 | Budapest, Hungary | 11-50 | Exact match | 6 contacts → |
“Professzionális mérnöki szolgáltatást nyújtunk épületgépészeti és technológiai tervezési területen, elsősorban vállalkozások számára, szakmai tapasztalatunk és a legmodernebb…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Kömi Mérnökiroda KFTkomikft.huHQ: Budapest, HungaryReported employees: 11-50 | Budapest, Hungary | 11-50 | Exact match | 2 contacts → |
“KÖMI Ltd.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | S&g Solution KFTsg-solution.hu HQ: Miskolc, HungaryReported employees: 11-50 | Miskolc, Hungary | 11-50 | Exact match | 2 contacts → |
“Goal of our company to provide fast, reliable and cost-effective solutions to our Customers in a wide range of Engineering Services.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Megadelta Partners ZRTmegadelta.huHQ: Budapest, HungaryReported employees: 1-10 | Budapest, Hungary | 1-10 | Exact match | 2 contacts → |
“Design, consultancy, engineering, permitting, project management, technical supervision services for industrial and commercial construction projects- Founded in 2006 with decades…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Murobau KFTmurobau.huHQ: Nyíregyháza, HungaryReported employees: 1-10 | Nyíregyháza, Hungary | 1-10 | Exact match | 2 contacts → |
“Structural engineering” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Ganz Danubius Constructionganzdanubius.comHQ: Budapest, HungaryReported employees: 11-50 | Budapest, Hungary | 11-50 | Exact match | 1 contacts → |
“GANZ Danubius Construction is an innovative Hungarian partner for consulting, project management, engineering, procurement, and construction.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Hgrv Informatics LTDhgrv.huHQ: Budapest, HungaryReported employees: 1-10 | Budapest, Hungary | 1-10 | Exact match | 1 contacts → |
“A HGRV Informatikai Kft.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Civil Planning Tradeplanningtrade.hu HQ: Budapest, HungaryReported employees: 1-10 | Budapest, Hungary | 1-10 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 | Maraton-Mérnök KFTmaratonmernok.hu HQ: Budapest, HungaryReported employees: 1-10 | Budapest, Hungary | 1-10 | Exact match | 1 contacts → |
“We in Maraton-Mérnök Kft deliver services from the bottom of the control system till the high level production optimization.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 23 of 71 company matches
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Oil and gas engineering firms: 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
71 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 worldwide rather than for Hungary, so it is reported there. Company counts and contact totals on this page are exact for Hungary, over 71 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 firms by metro
Questions about this company list
What does Exact match mean for oil and gas engineering firms?
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 firms did RevenueBase find based in Hungary?
The saved snapshot records 71 matching company records, 808 tracked contacts and 230 verified emails. The public preview displays 23 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
Oil and gas engineering firms by geography
- Oil and gas engineering firms based in Luanda, Angola
- Oil and gas engineering firms based in Buenos Aires, Argentina
- Oil and gas engineering firms based in Brisbane, Australia
- Oil and gas engineering firms based in Melbourne, Australia
- Oil and gas engineering firms based in Perth, Australia
- Oil and gas engineering firms based in Sydney, Australia
- Oil and gas engineering firms based in Baku, Azerbaijan
- Oil and gas engineering firms based in Belo Horizonte, Brazil
- Oil and gas engineering firms based in Campinas, Brazil
- Oil and gas engineering firms based in Curitiba, Brazil
- Oil and gas engineering firms based in Porto Alegre, Brazil
- Oil and gas engineering firms based in Recife, Brazil
Cite this list
RevenueBase Data Team. Top 23 oil and gas engineering firms based in Hungary. Snapshot: November 4, 2026. https://revenuebase.ai/companies/oil-and-gas-engineering-firms/hungary.
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
- Oil and gas engineering firms based in Luanda, Angola
- Oil and gas engineering firms based in Buenos Aires, Argentina
- Oil and gas engineering firms based in Brisbane, Australia
- Oil and gas engineering firms based in Melbourne, Australia
- Oil and gas engineering firms based in Perth, Australia
- Oil and gas engineering firms based in Sydney, Australia
Company intelligence · public preview
Top 23 oil and gas engineering firms based in Hungary
RevenueBase records 71 matching company records for oil and gas engineering firms based in Hungary, with 808 tracked contacts and 230 verified work emails.
This public preview shows 23 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 23 oil and gas engineering firms based in Hungary
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 | Óbuda Groupobudagroup.com HQ: Budapest, HungaryReported employees: 201-500 | Budapest, Hungary | 201-500 | Exact match | 146 contacts → |
“More than 35 years of engineering experience, extensive professional knowledge, service excellence, cost efficiency, reliability and dynamism – this is Óbuda Group.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Petrolszolg KFTpetrolszolg.hu HQ: Százhalombatta, HungaryReported employees: 501-1,000 | Százhalombatta, Hungary | 501-1,000 | Exact match | 106 contacts → |
“The Petrolszolg Karbantartó és Szolgáltató Kft.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Tspc Grouptspcgroup.com HQ: Budapest, HungaryReported employees: 51-200 | Budapest, Hungary | 51-200 | Exact match | 98 contacts → |
“History Hungary’s leading engineering company has been delivering solutions with a holistic approach, complex vision and innovative technological background since 2012.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: HungaryReported employees: 201-500 | Hungary | 201-500 | Exact match | 58 contacts → |
“Főmterv was established in 1950 and has successfully combined the values of many years of experience and engineering tradition with the ability of continuous technical renewal and…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Olajterv Engineering Co. LTDolajterv.hu HQ: Budapest, HungaryReported employees: 51-200 | Budapest, Hungary | 51-200 | Exact match | 56 contacts → |
“OLAJTERV Engineering Co.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Geoinform LTDgeoinform.hu HQ: Algyő, HungaryReported employees: 51-200 | Algyő, Hungary | 51-200 | Exact match | 46 contacts → |
“We specialize in providing high quality, cost effective services for hydrocarbon and geothermal exploration, and the production sector.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Euroil Industrial & Trade Co. LTDeuroil.eu HQ: Budapest, HungaryReported employees: 11-50 | Budapest, Hungary | 11-50 | Exact match | 13 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 | Holimex KFTholimex.hu HQ: Budapest, HungaryReported employees: 11-50 | Budapest, Hungary | 11-50 | Exact match | 11 contacts → |
“A Holimex Mérnöki és Kereskedelmi Kft.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Plant Industrial Engineering KFTpiengineering.hu HQ: Budapest, HungaryReported employees: 1-10 | Budapest, Hungary | 1-10 | Exact match | 11 contacts → |
“The mission of Plant industrial Engineering, Kft.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Kuark Industry International KFTkuarkinternational.com HQ: Budapest, HungaryReported employees: 51-200 | Budapest, Hungary | 51-200 | Exact match | 11 contacts → |
“E+P+C company for industrial project.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Trans LEX Work LTDtlw.hu HQ: Budapest, HungaryReported employees: 11-50 | Budapest, Hungary | 11-50 | Exact match | 8 contacts → |
“Industries: oil, petrochemical, power generation, pharmaceutical, chemical industries; water works and savage works.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Procoplan LTDprocoplan.hu HQ: Érd, HungaryReported employees: 11-50 | Érd, Hungary | 11-50 | Exact match | 8 contacts → |
“Our company, ProCoPlan Ltd.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Gmbs Designgmbsdesign.com HQ: Budapest, HungaryReported employees: 11-50 | Budapest, Hungary | 11-50 | Exact match | 7 contacts → |
“We’re a Hungarian-owned company delivering precise, reliable, and innovative steel structure solutions for both domestic and international customers, especially in the cement…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | NG Project KFTngproject.hu HQ: Miskolc, HungaryReported employees: 11-50 | Miskolc, Hungary | 11-50 | Exact match | 7 contacts → |
“Az NG Project Kft.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Lanterv Mérnöki Irodalanterv.hu HQ: Budapest, HungaryReported employees: 11-50 | Budapest, Hungary | 11-50 | Exact match | 6 contacts → |
“Professzionális mérnöki szolgáltatást nyújtunk épületgépészeti és technológiai tervezési területen, elsősorban vállalkozások számára, szakmai tapasztalatunk és a legmodernebb…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Kömi Mérnökiroda KFTkomikft.hu HQ: Budapest, HungaryReported employees: 11-50 | Budapest, Hungary | 11-50 | Exact match | 2 contacts → |
“KÖMI Ltd.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | S&g Solution KFTsg-solution.hu HQ: Miskolc, HungaryReported employees: 11-50 | Miskolc, Hungary | 11-50 | Exact match | 2 contacts → |
“Goal of our company to provide fast, reliable and cost-effective solutions to our Customers in a wide range of Engineering Services.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Megadelta Partners ZRTmegadelta.hu HQ: Budapest, HungaryReported employees: 1-10 | Budapest, Hungary | 1-10 | Exact match | 2 contacts → |
“Design, consultancy, engineering, permitting, project management, technical supervision services for industrial and commercial construction projects- Founded in 2006 with decades…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Murobau KFTmurobau.hu HQ: Nyíregyháza, HungaryReported employees: 1-10 | Nyíregyháza, Hungary | 1-10 | Exact match | 2 contacts → |
“Structural engineering” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Ganz Danubius Constructionganzdanubius.com HQ: Budapest, HungaryReported employees: 11-50 | Budapest, Hungary | 11-50 | Exact match | 1 contacts → |
“GANZ Danubius Construction is an innovative Hungarian partner for consulting, project management, engineering, procurement, and construction.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Hgrv Informatics LTDhgrv.hu HQ: Budapest, HungaryReported employees: 1-10 | Budapest, Hungary | 1-10 | Exact match | 1 contacts → |
“A HGRV Informatikai Kft.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Civil Planning Tradeplanningtrade.hu HQ: Budapest, HungaryReported employees: 1-10 | Budapest, Hungary | 1-10 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 | Maraton-Mérnök KFTmaratonmernok.hu HQ: Budapest, HungaryReported employees: 1-10 | Budapest, Hungary | 1-10 | Exact match | 1 contacts → |
“We in Maraton-Mérnök Kft deliver services from the bottom of the control system till the high level production optimization.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 23 of 71 company matches
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Oil and gas engineering firms: 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
71 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 worldwide rather than for Hungary, so it is reported there. Company counts and contact totals on this page are exact for Hungary, over 71 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 firms by metro
Questions about this company list
What does Exact match mean for oil and gas engineering firms?
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 firms did RevenueBase find based in Hungary?
The saved snapshot records 71 matching company records, 808 tracked contacts and 230 verified emails. The public preview displays 23 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 23 oil and gas engineering firms based in Hungary. Snapshot: November 4, 2026. https://revenuebase.ai/companies/oil-and-gas-engineering-firms/hungary.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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