Company lists · Data refreshed November 2026
Top 25 Onshore engineering procurement and construction services based in Türkiye
RevenueBase identified 1,388 company matches for onshore engineering procurement and construction services associated with Türkiye as of November 2026 and tracks 31,366 professional contacts across them, including 4,112 with verified work emails. Istanbul is the largest hub.
This list covers company matches for onshore engineering procurement and construction services 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 November 6, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest onshore engineering procurement and construction services based in Türkiye
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,813 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 1,804 contacts → | ||||
Exact match “Founded in 1998, Çalık Enerji is a leading international energy company with a strong track record in delivering integrated, turn-key contracting projects across Europe, Central…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 1,510 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 1,130 contacts → | ||||
Exact match “Mapa Group has emerged as a global leader in the engineering and construction industry, now spanning three continents.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 1,005 contacts → | ||||
Exact match “GAMA HOLDING A.Ş.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 937 contacts → | ||||
Exact match “Founded by Rıdvan Çelikel in 1986, Anel is a global contracting company with its expertise in MEP systems in large scale and challenging projects.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 819 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 717 contacts → | ||||
Exact match “146 SUCCESSFULLY COMPLETED PROJECTS ON 3 CONTINENTS, 8,56 BILLION USD CONTRACT VALUE, RANKING IN ENR’S “TOP CONTRACTORS LEAGUE” SINCE 2006 One of the highly reputable contracting…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 634 contacts → | ||||
Exact match “Founded in Yamata Investment made a distinguished name in the international area with the construction activities all over the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 633 contacts → | ||||
Exact match “ÇİMTAŞ GROUP, a subsidiary of ENKA, having 52 years of experience and 5 subsidiaries with an aggregated annual capacity of ton, provides engineering, procurement, fabrication…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 411 contacts → | ||||
Exact match “Expertise in Design, Engineering & Consultancy” PROKON Engineering & Consultancy Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 369 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 322 contacts → | ||||
Exact match “EKON is a leading engineering & construction company for establishing infrastructure and integrated industrial projects from the planning and design stages, through engineering…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 297 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 270 contacts → | ||||
Exact match “Erdemir Muhendislik Yonetim ve Danismanlik Hizmetleri A.S.(Erdemir Engineering Management and Consulting Services Inc.) offers OYAK Mining Metallurgy Group companies a wide range…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 257 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 217 contacts → | ||||
Exact match “Yarım asırlık tecrübesiyle ELİN; fotovoltaik modül üretimi, teknoloji üretimi, EPC hizmetleri, proje geliştirme, enerji depolama sistemleri ve elektrik ticareti alanlarında…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 198 contacts → | ||||
Exact match “Founded in 1985, Prota Engineering is a pioneering design firm with a global footprint, having executed over projects spanning across 25 countries, having offices in Turkey…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 190 contacts → | ||||
Exact match “Alkataş İnşaat is a construction company based out of Ertürk sokak no:1 k1 plaza kavacık, Beykoz/İstanbul, Turkey.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 185 contacts → | ||||
Exact match “Founded in 1971, DOLSAR is a multi-disciplinary engineering firm offering engineering, architectural, consultancy and supervision services for large-scale projects in a wide range…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 180 contacts → | ||||
Exact match “ViTO Energy Engineering and Construction is an integrated EPC services provider for industrial projects.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 153 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 149 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 144 contacts → | ||||
Exact match “Teknik Montaj Endüstri Tesisleri İmalat ve Montaj San.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 135 contacts → | ||||
Exact match “ENKA is a global engineering and construction firm headquartered in Istanbul, Turkey.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “onshore engineering procurement and construction services”. 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 1,388 onshore engineering procurement and construction services based in Türkiye
See the full list, filter by size, metro and specialty, and access 4,112 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Onshore engineering procurement and construction services based in Türkiye at a glance
As of Nov 6, 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 1,388 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 “onshore engineering procurement and construction services” 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 4,112 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Onshore engineering procurement and construction services by metro
- Onshore engineering procurement and construction services in Istanbul291
- Onshore engineering procurement and construction services in Ankara175
- Onshore engineering procurement and construction services in Cankaya72
- Onshore engineering procurement and construction services in Izmir70
- Onshore engineering procurement and construction services in Atasehir26
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 “onshore engineering procurement and construction services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many onshore engineering procurement and construction services are there based in Türkiye?
RevenueBase identified 1,388 company matches for onshore engineering procurement and construction services associated with Türkiye 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?
Tp-Otc tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most onshore engineering procurement and construction services?
Istanbul leads with 291 company records, followed by Ankara (175) and Cankaya (72).
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 4,112 professional contacts with verified work emails tracked across these 1,388 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,388 onshore engineering procurement and construction services based in Türkiye. Start with a free account, no credit card.
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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 onshore engineering procurement and construction services 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 1,388 matching company records for onshore engineering procurement and construction services based in Türkiye, with 31,366 tracked contacts and 4,112 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 onshore engineering procurement and construction services 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 | 1,813 contacts → |
“TP-OTC is established to provide all engineering and technology services for offshore operations in oil and gas industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Çalık Enerjicalikenerji.comHQ: İstanbul, TürkiyeReported employees: 10001+ | İstanbul, Türkiye | 10001+ | Exact match | 1,804 contacts → |
“Founded in 1998, Çalık Enerji is a leading international energy company with a strong track record in delivering integrated, turn-key contracting projects across Europe, Central…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Ronesans Endustri Tesislerironesans.comHQ: Istanbul, TürkiyeReported employees: 10001+ | Istanbul, Türkiye | 10001+ | Exact match | 1,510 contacts → |
“Rönesans Endüstri Tesisleri specializes in construction services and EPC in Hydrocarbons, Power, Metallurgy & Mining and Process Plants sectors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Mapa Groupmapa.groupHQ: Ankara, TürkiyeReported employees: 10001+ | Ankara, Türkiye | 10001+ | Exact match | 1,130 contacts → |
“Mapa Group has emerged as a global leader in the engineering and construction industry, now spanning three continents.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Gama Holdinggama.com.trHQ: Ankara, TürkiyeReported employees: 10001+ | Ankara, Türkiye | 10001+ | Exact match | 1,005 contacts → |
“GAMA HOLDING A.Ş.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Anel Groupanelgroup.comHQ: İstanbul, TürkiyeReported employees: 1,001-5,000 | İstanbul, Türkiye | 1,001-5,000 | Exact match | 937 contacts → |
“Founded by Rıdvan Çelikel in 1986, Anel is a global contracting company with its expertise in MEP systems in large scale and challenging projects.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Stfa Construction Groupstfa.comHQ: Istanbul, TürkiyeReported employees: 10001+ | Istanbul, Türkiye | 10001+ | Exact match | 819 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 |  GAP Constructiongapinsaat.comHQ: İstanbul, TürkiyeReported employees: 5,001-10,000 | İstanbul, Türkiye | 5,001-10,000 | Exact match | 717 contacts → |
“146 SUCCESSFULLY COMPLETED PROJECTS ON 3 CONTINENTS, 8,56 BILLION USD CONTRACT VALUE, RANKING IN ENR’S “TOP CONTRACTORS LEAGUE” SINCE 2006 One of the highly reputable contracting…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Yamata Yatırım İnşaat Turizm VE Ticaret A.Şyamata.com.trHQ: Istanbul, TürkiyeReported employees: 1,001-5,000 | Istanbul, Türkiye | 1,001-5,000 | Exact match | 634 contacts → |
“Founded in Yamata Investment made a distinguished name in the international area with the construction activities all over the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Çimtaş Groupcimtas.comHQ: Bursa, TürkiyeReported employees: 1,001-5,000 | Bursa, Türkiye | 1,001-5,000 | Exact match | 633 contacts → |
“ÇİMTAŞ GROUP, a subsidiary of ENKA, having 52 years of experience and 5 subsidiaries with an aggregated annual capacity of ton, provides engineering, procurement, fabrication…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Prokon Mühendislik VE Müşavirlik A.Şprokon.com.trHQ: Ankara, TürkiyeReported employees: 201-500 | Ankara, Türkiye | 201-500 | Exact match | 411 contacts → |
“Expertise in Design, Engineering & Consultancy” PROKON Engineering & Consultancy Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Teknokon Grupteknokon.comHQ: Istanbul, TürkiyeReported employees: 1,001-5,000 | Istanbul, Türkiye | 1,001-5,000 | Exact match | 369 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Ekon Industry Construction & Trade INCekonas.com.trHQ: Ankara, TürkiyeReported employees: 5,001-10,000 | Ankara, Türkiye | 5,001-10,000 | Exact match | 322 contacts → |
“EKON is a leading engineering & construction company for establishing infrastructure and integrated industrial projects from the planning and design stages, through engineering…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Havatek A.Şhavatek.com.trHQ: Lütfen Seçiniz, TürkiyeReported employees: 501-1,000 | Lütfen Seçiniz, Türkiye | 501-1,000 | Exact match | 297 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Erdemir Muhendislikmuhendislikerdemir.com.trHQ: Barbaros, TürkiyeReported employees: 51-200 | Barbaros, Türkiye | 51-200 | Exact match | 270 contacts → |
“Erdemir Muhendislik Yonetim ve Danismanlik Hizmetleri A.S.(Erdemir Engineering Management and Consulting Services Inc.) offers OYAK Mining Metallurgy Group companies a wide range…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Deha Tech Makina SAN VE TIC A.Sdehatech.comHQ: Istanbul, TürkiyeReported employees: 1,001-5,000 | Istanbul, Türkiye | 1,001-5,000 | Exact match | 257 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Elin Türkiyeelin.com.trHQ: Ankara, TürkiyeReported employees: 501-1,000 | Ankara, Türkiye | 501-1,000 | Exact match | 217 contacts → |
“Yarım asırlık tecrübesiyle ELİN; fotovoltaik modül üretimi, teknoloji üretimi, EPC hizmetleri, proje geliştirme, enerji depolama sistemleri ve elektrik ticareti alanlarında…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Prota Engineeringprota.com.trHQ: Ankara, TürkiyeReported employees: 201-500 | Ankara, Türkiye | 201-500 | Exact match | 198 contacts → |
“Founded in 1985, Prota Engineering is a pioneering design firm with a global footprint, having executed over projects spanning across 25 countries, having offices in Turkey…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Alkataş İnşaat VE Taahhüt A.Şalkatas.com.trHQ: İstanbul, TürkiyeReported employees: 501-1,000 | İstanbul, Türkiye | 501-1,000 | Exact match | 190 contacts → |
“Alkataş İnşaat is a construction company based out of Ertürk sokak no:1 k1 plaza kavacık, Beykoz/İstanbul, Turkey.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Dolsar Engineering Inc. COdolsar.com.trHQ: Ankara, TürkiyeReported employees: 201-500 | Ankara, Türkiye | 201-500 | Exact match | 185 contacts → |
“Founded in 1971, DOLSAR is a multi-disciplinary engineering firm offering engineering, architectural, consultancy and supervision services for large-scale projects in a wide range…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Vito Energy, Engineering & Constructionvito.com.trHQ: İstanbul, TürkiyeReported employees: 501-1,000 | İstanbul, Türkiye | 501-1,000 | Exact match | 180 contacts → |
“ViTO Energy Engineering and Construction is an integrated EPC services provider for industrial projects.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Exaconsexacons.comHQ: Istanbul, TürkiyeReported employees: 201-500 | Istanbul, Türkiye | 201-500 | Exact match | 153 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Zafer Taahhüt, İnşaat VE Tic. A.Şzafer.com.trHQ: Çankaya, TürkiyeReported employees: 201-500 | Çankaya, Türkiye | 201-500 | Exact match | 149 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 |  Tekmonttekmont.comHQ: Kocaeli̇, TürkiyeReported employees: 501-1,000 | Kocaeli̇, Türkiye | 501-1,000 | Exact match | 144 contacts → |
“Teknik Montaj Endüstri Tesisleri İmalat ve Montaj San.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Besiktas, TürkiyeReported employees: 10001+ | Besiktas, Türkiye | 10001+ | Exact match | 135 contacts → |
“ENKA is a global engineering and construction firm headquartered in Istanbul, Turkey.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,388 company matches
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Onshore engineering procurement and construction services: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,384 records in the displayed employee bands.
4 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 1,388 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Onshore engineering procurement and construction services by metro
- Onshore engineering procurement and construction services in Istanbul291
- Onshore engineering procurement and construction services in Ankara175
- Onshore engineering procurement and construction services in Cankaya72
- Onshore engineering procurement and construction services in Izmir70
- Onshore engineering procurement and construction services in Atasehir26
Questions about this company list
What does Exact match mean for onshore engineering procurement and construction services?
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 onshore engineering procurement and construction services did RevenueBase find based in Türkiye?
The saved snapshot records 1,388 matching company records, 31,366 tracked contacts and 4,112 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Onshore engineering procurement and construction services by geography
- Onshore engineering procurement and construction services based in Luanda, Angola
- Onshore engineering procurement and construction services based in Buenos Aires, Argentina
- Onshore engineering procurement and construction services based in Cordoba, Argentina
- Onshore engineering procurement and construction services based in Neuquen, Argentina
- Onshore engineering procurement and construction services based in Adelaide, Australia
- Onshore engineering procurement and construction services based in Brisbane, Australia
- Onshore engineering procurement and construction services based in Melbourne, Australia
- Onshore engineering procurement and construction services based in Perth, Australia
- Onshore engineering procurement and construction services based in Sydney, Australia
- Onshore engineering procurement and construction services based in Vienna, Austria
- Onshore engineering procurement and construction services based in Baku, Azerbaijan
- Onshore engineering procurement and construction services based in Manama, Bahrain
Cite this list
RevenueBase Data Team. Top 25 onshore engineering procurement and construction services based in Türkiye. Snapshot: November 6, 2026. https://revenuebase.ai/companies/onshore-engineering-procurement-and-construction-services/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
- Onshore engineering procurement and construction services based in Luanda, Angola
- Onshore engineering procurement and construction services based in Buenos Aires, Argentina
- Onshore engineering procurement and construction services based in Cordoba, Argentina
- Onshore engineering procurement and construction services based in Neuquen, Argentina
- Onshore engineering procurement and construction services based in Adelaide, Australia
- Onshore engineering procurement and construction services based in Brisbane, Australia
Company intelligence · public preview
Top 25 onshore engineering procurement and construction services based in Türkiye
RevenueBase records 1,388 matching company records for onshore engineering procurement and construction services based in Türkiye, with 31,366 tracked contacts and 4,112 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 onshore engineering procurement and construction services 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 | 1,813 contacts → |
“TP-OTC is established to provide all engineering and technology services for offshore operations in oil and gas industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Çalık Enerjicalikenerji.com HQ: İstanbul, TürkiyeReported employees: 10001+ | İstanbul, Türkiye | 10001+ | Exact match | 1,804 contacts → |
“Founded in 1998, Çalık Enerji is a leading international energy company with a strong track record in delivering integrated, turn-key contracting projects across Europe, Central…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Ronesans Endustri Tesislerironesans.com HQ: Istanbul, TürkiyeReported employees: 10001+ | Istanbul, Türkiye | 10001+ | Exact match | 1,510 contacts → |
“Rönesans Endüstri Tesisleri specializes in construction services and EPC in Hydrocarbons, Power, Metallurgy & Mining and Process Plants sectors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Mapa Groupmapa.group HQ: Ankara, TürkiyeReported employees: 10001+ | Ankara, Türkiye | 10001+ | Exact match | 1,130 contacts → |
“Mapa Group has emerged as a global leader in the engineering and construction industry, now spanning three continents.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Gama Holdinggama.com.tr HQ: Ankara, TürkiyeReported employees: 10001+ | Ankara, Türkiye | 10001+ | Exact match | 1,005 contacts → |
“GAMA HOLDING A.Ş.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Anel Groupanelgroup.com HQ: İstanbul, TürkiyeReported employees: 1,001-5,000 | İstanbul, Türkiye | 1,001-5,000 | Exact match | 937 contacts → |
“Founded by Rıdvan Çelikel in 1986, Anel is a global contracting company with its expertise in MEP systems in large scale and challenging projects.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Stfa Construction Groupstfa.com HQ: Istanbul, TürkiyeReported employees: 10001+ | Istanbul, Türkiye | 10001+ | Exact match | 819 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 | GAP Constructiongapinsaat.com HQ: İstanbul, TürkiyeReported employees: 5,001-10,000 | İstanbul, Türkiye | 5,001-10,000 | Exact match | 717 contacts → |
“146 SUCCESSFULLY COMPLETED PROJECTS ON 3 CONTINENTS, 8,56 BILLION USD CONTRACT VALUE, RANKING IN ENR’S “TOP CONTRACTORS LEAGUE” SINCE 2006 One of the highly reputable contracting…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Yamata Yatırım İnşaat Turizm VE Ticaret A.Şyamata.com.tr HQ: Istanbul, TürkiyeReported employees: 1,001-5,000 | Istanbul, Türkiye | 1,001-5,000 | Exact match | 634 contacts → |
“Founded in Yamata Investment made a distinguished name in the international area with the construction activities all over the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Çimtaş Groupcimtas.com HQ: Bursa, TürkiyeReported employees: 1,001-5,000 | Bursa, Türkiye | 1,001-5,000 | Exact match | 633 contacts → |
“ÇİMTAŞ GROUP, a subsidiary of ENKA, having 52 years of experience and 5 subsidiaries with an aggregated annual capacity of ton, provides engineering, procurement, fabrication…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Prokon Mühendislik VE Müşavirlik A.Şprokon.com.tr HQ: Ankara, TürkiyeReported employees: 201-500 | Ankara, Türkiye | 201-500 | Exact match | 411 contacts → |
“Expertise in Design, Engineering & Consultancy” PROKON Engineering & Consultancy Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Teknokon Grupteknokon.com HQ: Istanbul, TürkiyeReported employees: 1,001-5,000 | Istanbul, Türkiye | 1,001-5,000 | Exact match | 369 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Ekon Industry Construction & Trade INCekonas.com.tr HQ: Ankara, TürkiyeReported employees: 5,001-10,000 | Ankara, Türkiye | 5,001-10,000 | Exact match | 322 contacts → |
“EKON is a leading engineering & construction company for establishing infrastructure and integrated industrial projects from the planning and design stages, through engineering…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Havatek A.Şhavatek.com.tr HQ: Lütfen Seçiniz, TürkiyeReported employees: 501-1,000 | Lütfen Seçiniz, Türkiye | 501-1,000 | Exact match | 297 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Erdemir Muhendislikmuhendislikerdemir.com.tr HQ: Barbaros, TürkiyeReported employees: 51-200 | Barbaros, Türkiye | 51-200 | Exact match | 270 contacts → |
“Erdemir Muhendislik Yonetim ve Danismanlik Hizmetleri A.S.(Erdemir Engineering Management and Consulting Services Inc.) offers OYAK Mining Metallurgy Group companies a wide range…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | 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 | 257 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Elin Türkiyeelin.com.tr HQ: Ankara, TürkiyeReported employees: 501-1,000 | Ankara, Türkiye | 501-1,000 | Exact match | 217 contacts → |
“Yarım asırlık tecrübesiyle ELİN; fotovoltaik modül üretimi, teknoloji üretimi, EPC hizmetleri, proje geliştirme, enerji depolama sistemleri ve elektrik ticareti alanlarında…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Prota Engineeringprota.com.tr HQ: Ankara, TürkiyeReported employees: 201-500 | Ankara, Türkiye | 201-500 | Exact match | 198 contacts → |
“Founded in 1985, Prota Engineering is a pioneering design firm with a global footprint, having executed over projects spanning across 25 countries, having offices in Turkey…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Alkataş İnşaat VE Taahhüt A.Şalkatas.com.tr HQ: İstanbul, TürkiyeReported employees: 501-1,000 | İstanbul, Türkiye | 501-1,000 | Exact match | 190 contacts → |
“Alkataş İnşaat is a construction company based out of Ertürk sokak no:1 k1 plaza kavacık, Beykoz/İstanbul, Turkey.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Dolsar Engineering Inc. COdolsar.com.tr HQ: Ankara, TürkiyeReported employees: 201-500 | Ankara, Türkiye | 201-500 | Exact match | 185 contacts → |
“Founded in 1971, DOLSAR is a multi-disciplinary engineering firm offering engineering, architectural, consultancy and supervision services for large-scale projects in a wide range…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Vito Energy, Engineering & Constructionvito.com.tr HQ: İstanbul, TürkiyeReported employees: 501-1,000 | İstanbul, Türkiye | 501-1,000 | Exact match | 180 contacts → |
“ViTO Energy Engineering and Construction is an integrated EPC services provider for industrial projects.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Exaconsexacons.com HQ: Istanbul, TürkiyeReported employees: 201-500 | Istanbul, Türkiye | 201-500 | Exact match | 153 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Zafer Taahhüt, İnşaat VE Tic. A.Şzafer.com.tr HQ: Çankaya, TürkiyeReported employees: 201-500 | Çankaya, Türkiye | 201-500 | Exact match | 149 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 | Tekmonttekmont.com HQ: Kocaeli̇, TürkiyeReported employees: 501-1,000 | Kocaeli̇, Türkiye | 501-1,000 | Exact match | 144 contacts → |
“Teknik Montaj Endüstri Tesisleri İmalat ve Montaj San.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Besiktas, TürkiyeReported employees: 10001+ | Besiktas, Türkiye | 10001+ | Exact match | 135 contacts → |
“ENKA is a global engineering and construction firm headquartered in Istanbul, Turkey.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,388 company matches
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Onshore engineering procurement and construction services: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,384 records in the displayed employee bands.
4 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 1,388 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Onshore engineering procurement and construction services by metro
- Onshore engineering procurement and construction services in Istanbul291
- Onshore engineering procurement and construction services in Ankara175
- Onshore engineering procurement and construction services in Cankaya72
- Onshore engineering procurement and construction services in Izmir70
- Onshore engineering procurement and construction services in Atasehir26
Questions about this company list
What does Exact match mean for onshore engineering procurement and construction services?
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 onshore engineering procurement and construction services did RevenueBase find based in Türkiye?
The saved snapshot records 1,388 matching company records, 31,366 tracked contacts and 4,112 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Onshore engineering procurement and construction services by geography
- Onshore engineering procurement and construction services based in Luanda, Angola
- Onshore engineering procurement and construction services based in Buenos Aires, Argentina
- Onshore engineering procurement and construction services based in Cordoba, Argentina
- Onshore engineering procurement and construction services based in Neuquen, Argentina
- Onshore engineering procurement and construction services based in Adelaide, Australia
- Onshore engineering procurement and construction services based in Brisbane, Australia
- Onshore engineering procurement and construction services based in Melbourne, Australia
- Onshore engineering procurement and construction services based in Perth, Australia
- Onshore engineering procurement and construction services based in Sydney, Australia
- Onshore engineering procurement and construction services based in Vienna, Austria
- Onshore engineering procurement and construction services based in Baku, Azerbaijan
- Onshore engineering procurement and construction services based in Manama, Bahrain
Cite this list
RevenueBase Data Team. Top 25 onshore engineering procurement and construction services based in Türkiye. Snapshot: November 6, 2026. https://revenuebase.ai/companies/onshore-engineering-procurement-and-construction-services/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
- Onshore engineering procurement and construction services based in Luanda, Angola
- Onshore engineering procurement and construction services based in Buenos Aires, Argentina
- Onshore engineering procurement and construction services based in Cordoba, Argentina
- Onshore engineering procurement and construction services based in Neuquen, Argentina
- Onshore engineering procurement and construction services based in Adelaide, Australia
- Onshore engineering procurement and construction services based in Brisbane, Australia