Company lists · Data refreshed October 2026
Top 25 Oil refinery contractors based in Türkiye
RevenueBase identified 567 company matches for oil refinery contractors associated with Türkiye as of October 2026 and tracks 11,578 professional contacts across them, including 1,410 with verified work emails. Istanbul is the largest hub.
This list covers company matches for oil refinery contractors associated with Türkiye, 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 October 22, 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 refinery contractors based in Türkiye
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,766 contacts → | ||||
Exact match “TP-OTC is established to provide all engineering and technology services for offshore operations in oil and gas industry.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 2 | 1,456 contacts → | ||||
Exact match “Rönesans Endüstri Tesisleri specializes in construction services and EPC in Hydrocarbons, Power, Metallurgy & Mining and Process Plants sectors.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 3 | 981 contacts → | ||||
Exact match “GAMA HOLDING A.Ş.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 4 | 346 contacts → | ||||
Exact match “Headquartered in Istanbul / Turkey, Teknokon Group is a multi-disciplinary organization serving its clientele with a full range of engineering, procurement and construction for…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 5 | 287 contacts → | ||||
Exact match “HAVATEK is one of the leading fabrication and construction company in Turkiye specialized in Oil & Gas, Petrochemical and Energy Industries, performing projects in Turkiye and…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 6 | 276 contacts → | ||||
Exact match “BİRLEŞİM MÜHENDİSLİK established in year 2002, in İSTANBUL and achieved its present structure with the vast acceleration parallel to the present technologies and sector…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 7 | 244 contacts → | ||||
Exact match “Welcome to DEHA TECH Engineering & Contracting Group We provide engineering and contracting services all around the world with our experienced team.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 8 | 228 contacts → | ||||
Exact match “ENKA is a global engineering and construction firm headquartered in Istanbul, Turkey.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 9 | 205 contacts → | ||||
Exact match “Berksan was established in 1998 to provide engineering and construction services for national and international projects.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 10 | 170 contacts → | ||||
Exact match “ViTO Energy Engineering and Construction is an integrated EPC services provider for industrial projects.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 11 | 140 contacts → | ||||
Exact match “EXACONS Project and Contracting Inc; was founded in 2014, Istanbul based on the vision to become a Solution Partner in every phase of the industrial facility life cycle for local…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 12 | 136 contacts → | ||||
Exact match “Teknik Montaj Endüstri Tesisleri İmalat ve Montaj San.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 13 | 110 contacts → | ||||
Exact match “Tefirom is a global construction and energy company headquartered in Ankara, Türkiye, specializing in large-scale projects across construction, engineering and energy sectors.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 14 | 86 contacts → | ||||
Exact match “PRIZMA started operations in Ankara-Turkey in 2001.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 15 | 84 contacts → | ||||
Exact match “Stadia Engineering and Consultancy was established in 2018.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 16 | 79 contacts → | ||||
Exact match “Comprehensive engineering, manufacturing and erection solutions for Gas-Fired Power Plants, WtE (Waste to Energy) Power Plants, Oil & Gas Petrochemical Plants, Refineries…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 17 | 72 contacts → | ||||
Exact match “Teknika Teknik Taahhüt A.Ş.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 18 | 70 contacts → | ||||
Exact match “Vespro is an international engineering & fabrication company supporting the realization of chemical plants across the world.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 19 | 61 contacts → | ||||
Exact match “The Joule Energy's main activities are the installation, maintenance, engineering services and spare parts supply of Power Plants, Rafineries & Industries Plants."Joule Energy"…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 20 | 61 contacts → | ||||
Exact match “At A Glance;* Oil & Gas Engineering Company,* Managed by Practicing Refinery Engineers,* Engineering Expertise that Minimizes Cost & Improves Process,* Over 100 Total Project…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 21 | 59 contacts → | ||||
Exact match “Mod Endüstriyel Servisler, 2013 yılından bu yana enerji, petrokimya, rafineri, çimento, madencilik, tersane ve endüstriyel üretim tesislerine entegre servis çözümleri sunmaktadır.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 22 | 55 contacts → | ||||
Exact match “Aksoylar Mühendislik, endüstriyel tesisler için komple kuruluma dayalı bir taahhüt firmasıdır.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 23 | 48 contacts → | ||||
Exact match “HUM Companies build turnkey plants and plant units with its own engineering at the edible oil sector worldwide, manufactures the machines and systems used at oilseeds crushing and…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 24 | 48 contacts → | ||||
Exact match “As Tetra Inc, we are an engineering company specializing in Online Process & Environmental Monitoring Systems and Sampling Systems.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 25 | 44 contacts → | ||||
Exact match “HESATEKNİK dönemin gelişmiş ve verimli teknoloji altyapılarını kullanarak, geleceğin endüstriyel ve enerji üretim tesislerini müşterilerine anahtar teslimi sunmayı, kesintisiz…” Recorded in the RevenueBase company graph · Oct 22, 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 refinery contractors”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 567 oil refinery contractors based in Türkiye
See the full list, filter by size, metro and specialty, and access 1,410 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Oil refinery contractors based in Türkiye at a glance
As of Oct 22, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Türkiye, so it is reported there. Company counts and contact totals on this page are exact for Türkiye, over 567 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 Türkiye whose business descriptions match “oil refinery contractors” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 1,410 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 October 22, 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 refinery contractors 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 refinery contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many oil refinery contractors are there based in Türkiye?
RevenueBase identified 567 company matches for oil refinery contractors associated with Türkiye as of October 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?
Tp-Otc tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most oil refinery contractors?
Istanbul leads with 110 company records, followed by Ankara (52) and Izmir (39).
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 1,410 professional contacts with verified work emails tracked across these 567 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 October 22, 2026.
Ready to reach these companies? Verified emails and direct dials for all 567 oil refinery contractors based in Türkiye. 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 refinery contractors based in Türkiye
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 567 matching company records for oil refinery contractors based in Türkiye, with 11,578 tracked contacts and 1,410 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: October 22, 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 refinery contractors based in Türkiye
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 |  Tp-Otctp-otc.comHQ: Çankaya, TürkiyeReported employees: 501-1,000 | Çankaya, Türkiye | 501-1,000 | Exact match | 1,766 contacts → |
“TP-OTC is established to provide all engineering and technology services for offshore operations in oil and gas industry.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Ronesans Endustri Tesislerironesans.com HQ: Istanbul, TürkiyeReported employees: 10001+ | Istanbul, Türkiye | 10001+ | Exact match | 1,456 contacts → |
“Rönesans Endüstri Tesisleri specializes in construction services and EPC in Hydrocarbons, Power, Metallurgy & Mining and Process Plants sectors.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Gama Holdinggama.com.tr HQ: Ankara, TürkiyeReported employees: 10001+ | Ankara, Türkiye | 10001+ | Exact match | 981 contacts → |
“GAMA HOLDING A.Ş.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Teknokon Grupteknokon.com HQ: Istanbul, TürkiyeReported employees: 1,001-5,000 | Istanbul, Türkiye | 1,001-5,000 | Exact match | 346 contacts → |
“Headquartered in Istanbul / Turkey, Teknokon Group is a multi-disciplinary organization serving its clientele with a full range of engineering, procurement and construction for…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Havatek A.Şhavatek.com.tr HQ: Lütfen Seçiniz, TürkiyeReported employees: 501-1,000 | Lütfen Seçiniz, Türkiye | 501-1,000 | Exact match | 287 contacts → |
“HAVATEK is one of the leading fabrication and construction company in Turkiye specialized in Oil & Gas, Petrochemical and Energy Industries, performing projects in Turkiye and…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Birlesim Muhendisikbirlesim.com HQ: Istanbul, TürkiyeReported employees: 1,001-5,000 | Istanbul, Türkiye | 1,001-5,000 | Exact match | 276 contacts → |
“BİRLEŞİM MÜHENDİSLİK established in year 2002, in İSTANBUL and achieved its present structure with the vast acceleration parallel to the present technologies and sector…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Deha Tech Makina SAN VE TIC A.Sdehatech.com HQ: Istanbul, TürkiyeReported employees: 1,001-5,000 | Istanbul, Türkiye | 1,001-5,000 | Exact match | 244 contacts → |
“Welcome to DEHA TECH Engineering & Contracting Group We provide engineering and contracting services all around the world with our experienced team.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Besiktas, TürkiyeReported employees: 10001+ | Besiktas, Türkiye | 10001+ | Exact match | 228 contacts → |
“ENKA is a global engineering and construction firm headquartered in Istanbul, Turkey.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Berksan Engineering And Construction INCberksan.comHQ: Uskudar, TürkiyeReported employees: 501-1,000 | Uskudar, Türkiye | 501-1,000 | Exact match | 205 contacts → |
“Berksan was established in 1998 to provide engineering and construction services for national and international projects.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Vito Energy, Engineering & Constructionvito.com.tr HQ: İstanbul, TürkiyeReported employees: 501-1,000 | İstanbul, Türkiye | 501-1,000 | Exact match | 170 contacts → |
“ViTO Energy Engineering and Construction is an integrated EPC services provider for industrial projects.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Exaconsexacons.comHQ: Istanbul, TürkiyeReported employees: 201-500 | Istanbul, Türkiye | 201-500 | Exact match | 140 contacts → |
“EXACONS Project and Contracting Inc; was founded in 2014, Istanbul based on the vision to become a Solution Partner in every phase of the industrial facility life cycle for local…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Tekmonttekmont.com HQ: Kocaeli̇, TürkiyeReported employees: 501-1,000 | Kocaeli̇, Türkiye | 501-1,000 | Exact match | 136 contacts → |
“Teknik Montaj Endüstri Tesisleri İmalat ve Montaj San.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Tefirom İnşaat Enerji Sanayi VE Ticaret A.Ştefirom.com.tr HQ: Ankara, TürkiyeReported employees: 1,001-5,000 | Ankara, Türkiye | 1,001-5,000 | Exact match | 110 contacts → |
“Tefirom is a global construction and energy company headquartered in Ankara, Türkiye, specializing in large-scale projects across construction, engineering and energy sectors.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Prizma Endüstriprizmaendustri.comHQ: Ankara, TürkiyeReported employees: 201-500 | Ankara, Türkiye | 201-500 | Exact match | 86 contacts → |
“PRIZMA started operations in Ankara-Turkey in 2001.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Stadia Engineeringstadia.com.trHQ: Çankaya, TürkiyeReported employees: 51-200 | Çankaya, Türkiye | 51-200 | Exact match | 84 contacts → |
“Stadia Engineering and Consultancy was established in 2018.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Rota Engineeringrotaeng.com HQ: Umraniye, TürkiyeReported employees: 51-200 | Umraniye, Türkiye | 51-200 | Exact match | 79 contacts → |
“Comprehensive engineering, manufacturing and erection solutions for Gas-Fired Power Plants, WtE (Waste to Energy) Power Plants, Oil & Gas Petrochemical Plants, Refineries…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Teknika Teknikteknikateknik.com.tr HQ: Atasehir, TürkiyeReported employees: 501-1,000 | Atasehir, Türkiye | 501-1,000 | Exact match | 72 contacts → |
“Teknika Teknik Taahhüt A.Ş.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Vespro Engineeringvespro.com.tr HQ: Söğütlü, TürkiyeReported employees: 51-200 | Söğütlü, Türkiye | 51-200 | Exact match | 70 contacts → |
“Vespro is an international engineering & fabrication company supporting the realization of chemical plants across the world.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Joule Energyjouleenergy.com HQ: Atasehir, TürkiyeReported employees: 51-200 | Atasehir, Türkiye | 51-200 | Exact match | 61 contacts → |
“The Joule Energy's main activities are the installation, maintenance, engineering services and spare parts supply of Power Plants, Rafineries & Industries Plants."Joule Energy"…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Koryon Engineering & Consultancykoryon.com.trHQ: Bornova, TürkiyeReported employees: 11-50 | Bornova, Türkiye | 11-50 | Exact match | 61 contacts → |
“At A Glance;* Oil & Gas Engineering Company,* Managed by Practicing Refinery Engineers,* Engineering Expertise that Minimizes Cost & Improves Process,* Over 100 Total Project…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | MOD Endüstriyel Servislermodendustriyel.com.tr HQ: İstanbul, TürkiyeReported employees: 201-500 | İstanbul, Türkiye | 201-500 | Exact match | 59 contacts → |
“Mod Endüstriyel Servisler, 2013 yılından bu yana enerji, petrokimya, rafineri, çimento, madencilik, tersane ve endüstriyel üretim tesislerine entegre servis çözümleri sunmaktadır.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Aksoylar Mühendislik A.Şaksoylarmuhendislik.com.trHQ: İstanbul, TürkiyeReported employees: 51-200 | İstanbul, Türkiye | 51-200 | Exact match | 55 contacts → |
“Aksoylar Mühendislik, endüstriyel tesisler için komple kuruluma dayalı bir taahhüt firmasıdır.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HUM OIL & FAT Technologieshum.com.tr HQ: Ataşehir, TürkiyeReported employees: 51-200 | Ataşehir, Türkiye | 51-200 | Exact match | 48 contacts → |
“HUM Companies build turnkey plants and plant units with its own engineering at the edible oil sector worldwide, manufactures the machines and systems used at oilseeds crushing and…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Tetra A.Ştetrainc.com.tr HQ: İzmir, TürkiyeReported employees: 51-200 | İzmir, Türkiye | 51-200 | Exact match | 48 contacts → |
“As Tetra Inc, we are an engineering company specializing in Online Process & Environmental Monitoring Systems and Sampling Systems.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Hesatekni̇khesateknik.comHQ: İzmir, TürkiyeReported employees: 11-50 | İzmir, Türkiye | 11-50 | Exact match | 44 contacts → |
“HESATEKNİK dönemin gelişmiş ve verimli teknoloji altyapılarını kullanarak, geleceğin endüstriyel ve enerji üretim tesislerini müşterilerine anahtar teslimi sunmayı, kesintisiz…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 567 company matches
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Oil refinery contractors: dataset insights
October 22, 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
565 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Türkiye, so it is reported there. Company counts and contact totals on this page are exact for Türkiye, over 567 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: October 22, 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 refinery contractors by metro
Questions about this company list
What does Exact match mean for oil refinery contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many oil refinery contractors did RevenueBase find based in Türkiye?
The saved snapshot records 567 matching company records, 11,578 tracked contacts and 1,410 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: October 22, 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 refinery contractors by geography
- Oil refinery contractors based in Buenos Aires, Argentina
- Oil refinery contractors based in Brisbane, Australia
- Oil refinery contractors based in Perth, Australia
- Oil refinery contractors based in Belo Horizonte, Brazil
- Oil refinery contractors based in Curitiba, Brazil
- Oil refinery contractors based in Rio De Janeiro, Brazil
- Oil refinery contractors based in Salvador, Brazil
- Oil refinery contractors based in Sao Paulo, Brazil
- Oil refinery contractors based in Calgary, Canada
- Oil refinery contractors based in Edmonton, Canada
- Oil refinery contractors based in Bogota, Colombia
- Oil refinery contractors based in Cairo, Egypt
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 oil refinery contractors based in Türkiye. Snapshot: October 22, 2026. https://revenuebase.ai/companies/oil-refinery-contractors/turkiye.
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 refinery contractors based in Türkiye
RevenueBase records 567 matching company records for oil refinery contractors based in Türkiye, with 11,578 tracked contacts and 1,410 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: October 22, 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 refinery contractors based in Türkiye
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 | Tp-Otctp-otc.com HQ: Çankaya, TürkiyeReported employees: 501-1,000 | Çankaya, Türkiye | 501-1,000 | Exact match | 1,766 contacts → |
“TP-OTC is established to provide all engineering and technology services for offshore operations in oil and gas industry.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Ronesans Endustri Tesislerironesans.com HQ: Istanbul, TürkiyeReported employees: 10001+ | Istanbul, Türkiye | 10001+ | Exact match | 1,456 contacts → |
“Rönesans Endüstri Tesisleri specializes in construction services and EPC in Hydrocarbons, Power, Metallurgy & Mining and Process Plants sectors.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Gama Holdinggama.com.tr HQ: Ankara, TürkiyeReported employees: 10001+ | Ankara, Türkiye | 10001+ | Exact match | 981 contacts → |
“GAMA HOLDING A.Ş.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Teknokon Grupteknokon.com HQ: Istanbul, TürkiyeReported employees: 1,001-5,000 | Istanbul, Türkiye | 1,001-5,000 | Exact match | 346 contacts → |
“Headquartered in Istanbul / Turkey, Teknokon Group is a multi-disciplinary organization serving its clientele with a full range of engineering, procurement and construction for…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Havatek A.Şhavatek.com.tr HQ: Lütfen Seçiniz, TürkiyeReported employees: 501-1,000 | Lütfen Seçiniz, Türkiye | 501-1,000 | Exact match | 287 contacts → |
“HAVATEK is one of the leading fabrication and construction company in Turkiye specialized in Oil & Gas, Petrochemical and Energy Industries, performing projects in Turkiye and…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Birlesim Muhendisikbirlesim.com HQ: Istanbul, TürkiyeReported employees: 1,001-5,000 | Istanbul, Türkiye | 1,001-5,000 | Exact match | 276 contacts → |
“BİRLEŞİM MÜHENDİSLİK established in year 2002, in İSTANBUL and achieved its present structure with the vast acceleration parallel to the present technologies and sector…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Deha Tech Makina SAN VE TIC A.Sdehatech.com HQ: Istanbul, TürkiyeReported employees: 1,001-5,000 | Istanbul, Türkiye | 1,001-5,000 | Exact match | 244 contacts → |
“Welcome to DEHA TECH Engineering & Contracting Group We provide engineering and contracting services all around the world with our experienced team.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Besiktas, TürkiyeReported employees: 10001+ | Besiktas, Türkiye | 10001+ | Exact match | 228 contacts → |
“ENKA is a global engineering and construction firm headquartered in Istanbul, Turkey.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Berksan Engineering And Construction INCberksan.com HQ: Uskudar, TürkiyeReported employees: 501-1,000 | Uskudar, Türkiye | 501-1,000 | Exact match | 205 contacts → |
“Berksan was established in 1998 to provide engineering and construction services for national and international projects.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Vito Energy, Engineering & Constructionvito.com.tr HQ: İstanbul, TürkiyeReported employees: 501-1,000 | İstanbul, Türkiye | 501-1,000 | Exact match | 170 contacts → |
“ViTO Energy Engineering and Construction is an integrated EPC services provider for industrial projects.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Exaconsexacons.com HQ: Istanbul, TürkiyeReported employees: 201-500 | Istanbul, Türkiye | 201-500 | Exact match | 140 contacts → |
“EXACONS Project and Contracting Inc; was founded in 2014, Istanbul based on the vision to become a Solution Partner in every phase of the industrial facility life cycle for local…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Tekmonttekmont.com HQ: Kocaeli̇, TürkiyeReported employees: 501-1,000 | Kocaeli̇, Türkiye | 501-1,000 | Exact match | 136 contacts → |
“Teknik Montaj Endüstri Tesisleri İmalat ve Montaj San.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Tefirom İnşaat Enerji Sanayi VE Ticaret A.Ştefirom.com.tr HQ: Ankara, TürkiyeReported employees: 1,001-5,000 | Ankara, Türkiye | 1,001-5,000 | Exact match | 110 contacts → |
“Tefirom is a global construction and energy company headquartered in Ankara, Türkiye, specializing in large-scale projects across construction, engineering and energy sectors.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Prizma Endüstriprizmaendustri.com HQ: Ankara, TürkiyeReported employees: 201-500 | Ankara, Türkiye | 201-500 | Exact match | 86 contacts → |
“PRIZMA started operations in Ankara-Turkey in 2001.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Stadia Engineeringstadia.com.tr HQ: Çankaya, TürkiyeReported employees: 51-200 | Çankaya, Türkiye | 51-200 | Exact match | 84 contacts → |
“Stadia Engineering and Consultancy was established in 2018.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Rota Engineeringrotaeng.com HQ: Umraniye, TürkiyeReported employees: 51-200 | Umraniye, Türkiye | 51-200 | Exact match | 79 contacts → |
“Comprehensive engineering, manufacturing and erection solutions for Gas-Fired Power Plants, WtE (Waste to Energy) Power Plants, Oil & Gas Petrochemical Plants, Refineries…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Teknika Teknikteknikateknik.com.tr HQ: Atasehir, TürkiyeReported employees: 501-1,000 | Atasehir, Türkiye | 501-1,000 | Exact match | 72 contacts → |
“Teknika Teknik Taahhüt A.Ş.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Vespro Engineeringvespro.com.tr HQ: Söğütlü, TürkiyeReported employees: 51-200 | Söğütlü, Türkiye | 51-200 | Exact match | 70 contacts → |
“Vespro is an international engineering & fabrication company supporting the realization of chemical plants across the world.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Joule Energyjouleenergy.com HQ: Atasehir, TürkiyeReported employees: 51-200 | Atasehir, Türkiye | 51-200 | Exact match | 61 contacts → |
“The Joule Energy's main activities are the installation, maintenance, engineering services and spare parts supply of Power Plants, Rafineries & Industries Plants."Joule Energy"…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Koryon Engineering & Consultancykoryon.com.tr HQ: Bornova, TürkiyeReported employees: 11-50 | Bornova, Türkiye | 11-50 | Exact match | 61 contacts → |
“At A Glance;* Oil & Gas Engineering Company,* Managed by Practicing Refinery Engineers,* Engineering Expertise that Minimizes Cost & Improves Process,* Over 100 Total Project…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | MOD Endüstriyel Servislermodendustriyel.com.tr HQ: İstanbul, TürkiyeReported employees: 201-500 | İstanbul, Türkiye | 201-500 | Exact match | 59 contacts → |
“Mod Endüstriyel Servisler, 2013 yılından bu yana enerji, petrokimya, rafineri, çimento, madencilik, tersane ve endüstriyel üretim tesislerine entegre servis çözümleri sunmaktadır.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Aksoylar Mühendislik A.Şaksoylarmuhendislik.com.tr HQ: İstanbul, TürkiyeReported employees: 51-200 | İstanbul, Türkiye | 51-200 | Exact match | 55 contacts → |
“Aksoylar Mühendislik, endüstriyel tesisler için komple kuruluma dayalı bir taahhüt firmasıdır.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HUM OIL & FAT Technologieshum.com.tr HQ: Ataşehir, TürkiyeReported employees: 51-200 | Ataşehir, Türkiye | 51-200 | Exact match | 48 contacts → |
“HUM Companies build turnkey plants and plant units with its own engineering at the edible oil sector worldwide, manufactures the machines and systems used at oilseeds crushing and…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Tetra A.Ştetrainc.com.tr HQ: İzmir, TürkiyeReported employees: 51-200 | İzmir, Türkiye | 51-200 | Exact match | 48 contacts → |
“As Tetra Inc, we are an engineering company specializing in Online Process & Environmental Monitoring Systems and Sampling Systems.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Hesatekni̇khesateknik.com HQ: İzmir, TürkiyeReported employees: 11-50 | İzmir, Türkiye | 11-50 | Exact match | 44 contacts → |
“HESATEKNİK dönemin gelişmiş ve verimli teknoloji altyapılarını kullanarak, geleceğin endüstriyel ve enerji üretim tesislerini müşterilerine anahtar teslimi sunmayı, kesintisiz…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 567 company matches
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Oil refinery contractors: dataset insights
October 22, 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
565 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Türkiye, so it is reported there. Company counts and contact totals on this page are exact for Türkiye, over 567 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: October 22, 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 refinery contractors by metro
Questions about this company list
What does Exact match mean for oil refinery contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many oil refinery contractors did RevenueBase find based in Türkiye?
The saved snapshot records 567 matching company records, 11,578 tracked contacts and 1,410 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: October 22, 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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Browse the directory
Cite this list
RevenueBase Data Team. Top 25 oil refinery contractors based in Türkiye. Snapshot: October 22, 2026. https://revenuebase.ai/companies/oil-refinery-contractors/turkiye.
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 refinery contractors based in Buenos Aires, Argentina
- Oil refinery contractors based in Brisbane, Australia
- Oil refinery contractors based in Perth, Australia
- Oil refinery contractors based in Belo Horizonte, Brazil
- Oil refinery contractors based in Curitiba, Brazil
- Oil refinery contractors based in Rio De Janeiro, Brazil