Company lists · Data refreshed October 2026

Top 18 Oil refinery plant construction suppliers based in Türkiye

Name: Oil refinery plant construction suppliers based in Türkiye
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 28, 2026 107 companies tracked

RevenueBase identified 107 company matches for oil refinery plant construction suppliers associated with Türkiye as of October 2026 and tracks 2,928 professional contacts across them, including 266 with verified work emails. Istanbul is the largest hub.

This list covers company matches for oil refinery plant construction suppliers 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 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 28, 2026 How this list was built

107Companies

2,928Contacts tracked

266Verified emails

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The 18 largest oil refinery plant construction suppliers based in Türkiye

Ranked by team size

Top 18 of 107 company matches for oil refinery plant construction suppliers based in Türkiye, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 28, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Gama Holding	Exact match	Ankara, TürkiyeHQ recorded Oct 28, 2026	10001+	981 contacts →
	Exact match “GAMA HOLDING A.Ş.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
2	Deha Tech Makina SAN VE TIC A.S	Exact match	Istanbul, TürkiyeHQ recorded Oct 28, 2026	1,001-5,000	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 28, 2026 · View company records in RevenueBase
3	Enka İnşaat VE Sanayi A.Ş. Engineering For A Better Future	Exact match	Besiktas, TürkiyeHQ recorded Oct 28, 2026	10001+	228 contacts →
	Exact match “ENKA is a global engineering and construction firm headquartered in Istanbul, Turkey.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
4	Exacons	Exact match	Istanbul, TürkiyeHQ recorded Oct 28, 2026	201-500	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 28, 2026 · View company records in RevenueBase
5	Zafer Taahhüt, İnşaat VE Tic. A.Ş	Exact match	Çankaya, TürkiyeHQ recorded Oct 28, 2026	201-500	138 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
6	Tekmont	Exact match	Kocaeli̇, TürkiyeHQ recorded Oct 28, 2026	501-1,000	136 contacts →
	Exact match “Teknik Montaj Endüstri Tesisleri İmalat ve Montaj San.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
7	Koryon Engineering & Consultancy	Exact match	Bornova, TürkiyeHQ recorded Oct 28, 2026	11-50	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 28, 2026 · View company records in RevenueBase
8	HUM OIL & FAT Technologies	Exact match	Ataşehir, TürkiyeHQ recorded Oct 28, 2026	51-200	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 28, 2026 · View company records in RevenueBase
9	Enertech Makina End. Tes. A.S	Exact match	İstanbul, TürkiyeHQ recorded Oct 28, 2026	501-1,000	30 contacts →
	Exact match “Enertech, 2020 yılında faaliyetlerine başlamıştır.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
10	Avci Global	Exact match	Başaksehir, TürkiyeHQ recorded Oct 28, 2026	11-50	27 contacts →
	Exact match “AVCI GLOBAL is a pioneer specializing in engineering and construction services to both domestic and international customers.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
11	DT Mühendislik VE Taahhüt A.Ş	Exact match	Ümraniye/i̇stanbul, TürkiyeHQ recorded Oct 28, 2026	501-1,000	25 contacts →
	Exact match “D&T Group is a premier, multi-disciplined international engineering, procurement, and contracting (EPC) company specializing in large-scale electrical, mechanical, and…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
12	Karub Holdi̇ng	Exact match	İstanbul, TürkiyeHQ recorded Oct 28, 2026	51-200	19 contacts →
	Exact match “Karub has been active in the energy, foreign trade, and construction sectors since 2013.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
13	Deta Endüstriyel İnşaat Montaj San. VE Tic. A.Ş	Exact match	Pendik, TürkiyeHQ recorded Oct 28, 2026	11-50	19 contacts →
	Exact match “DETA, endüstriyel yapılarda izolasyon, iskele, mekanik montaj ve boya-kumlama hizmetleri konusunda uzmanlaşmış ve müşterilerine anahtar teslim çözümler sunan bir kuruluştur.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
14	Epcont Industrial Contracting	Exact match	Ankara, TürkiyeHQ recorded Oct 28, 2026	11-50	7 contacts →
	Exact match “EPCont Industrial Contracting and Engineering Company is your go-to expert for industrial process plants.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
15	Arke Proje Yönetimi VE İnşaat Taahhüt A.Ş	Exact match	Istanbul, TürkiyeHQ recorded Oct 28, 2026	11-50	7 contacts →
	Exact match “ARKEYAPI 15 yılı aşkın süredir inşaat sektöründe yer alan, Türkiye genelinde irili ufaklı bir çok projeyi başarıyla tamamlamış uzman uygulama ekipleri ve deneyimli bir teknik…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
16	Industat Engineering Manufacturing Construction	Exact match	Beykoz, TürkiyeHQ recorded Oct 28, 2026	1-10	7 contacts →
	Exact match “Driving Innovative Solutions” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
17	Hilux Energy Services قمة الفخامة للصيانة	Exact match	Esenyurt, TürkiyeHQ recorded Oct 28, 2026	51-200	2 contacts →
	Exact match “HILUX ENERGY SERVICES is a specialized industrial MRO and technical solutions partner focused on the energy, cement, mining, and petrochemical sectors across Türkiye and the Gulf…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
18	Gasco Enerji̇ Mühendi̇sli̇k AŞ	Exact match	Uskudar, TürkiyeHQ recorded Oct 28, 2026	201-500	1 contacts →
	Exact match “Gasco Enerji, geniş yelpazesindeki iş sahalarına, tüm doğalgaz ve petrol ekipmanlarını sunan ve uluslararası hizmet veren bir tedarikçi ve mühendislik kuruluşudur.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “oil refinery plant construction suppliers”. 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 18 of 107 oil refinery plant construction suppliers based in Türkiye

See the full list, filter by size, metro and specialty, and access 266 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Oil refinery plant construction suppliers based in Türkiye at a glance

As of Oct 28, 2026

9.1%Verified-email coverage

27.4Average contacts per company

11-50Median size (employees)

25.2%Largest-city concentration · Istanbul

Oct 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 107 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 plant construction suppliers” 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 266 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 28, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “oil refinery plant construction suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oil refinery plant construction suppliers are there based in Türkiye?

RevenueBase identified 107 company matches for oil refinery plant construction suppliers 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?

Gama Holding tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most oil refinery plant construction suppliers?

Istanbul leads with 27 company records, followed by Ankara (12) and Izmir (7).

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 266 professional contacts with verified work emails tracked across these 107 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 28, 2026.

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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.