Company lists · Data refreshed September 2026

Top 25 Oil and gas processing plant contractors based in Türkiye

Name: Oil and gas processing plant contractors based in Türkiye
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 257 companies tracked

RevenueBase identified 257 company matches for oil and gas processing plant contractors associated with Türkiye as of September 2026 and tracks 6,936 professional contacts across them, including 947 with verified work emails. Istanbul is the largest hub.

This list covers company matches for oil and gas processing plant 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 September 17, 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 Sep 17, 2026 How this list was built

257Companies

6,936Contacts tracked

947Verified emails

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The 25 largest oil and gas processing plant contractors based in Türkiye

Ranked by team size

Top 25 of 257 company matches for oil and gas processing plant contractors based in Türkiye, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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	Ronesans Endustri Tesisleri	Exact match	Istanbul, TürkiyeHQ recorded Sep 17, 2026	10001+	1,157 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 · Sep 17, 2026 · View company records in RevenueBase
2	Gama Holding	Exact match	Ankara, TürkiyeHQ recorded Sep 17, 2026	10001+	924 contacts →
	Exact match “GAMA HOLDING A.Ş.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Teknokon Grup	Exact match	Istanbul, TürkiyeHQ recorded Sep 17, 2026	1,001-5,000	459 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 · Sep 17, 2026 · View company records in RevenueBase
4	Havatek A.Ş	Exact match	Lütfen Seçiniz, TürkiyeHQ recorded Sep 17, 2026	501-1,000	267 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 · Sep 17, 2026 · View company records in RevenueBase
5	Deha Tech Makina SAN VE TIC A.S	Exact match	Istanbul, TürkiyeHQ recorded Sep 17, 2026	1,001-5,000	216 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 · Sep 17, 2026 · View company records in RevenueBase
6	Exacons	Exact match	Istanbul, TürkiyeHQ recorded Sep 17, 2026	201-500	155 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 · Sep 17, 2026 · View company records in RevenueBase
7	Vito Energy, Engineering & Construction	Exact match	İstanbul, TürkiyeHQ recorded Sep 17, 2026	501-1,000	120 contacts →
	Exact match “ViTO Energy Engineering and Construction is an integrated EPC services provider for industrial projects.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Enka İnşaat VE Sanayi A.Ş. Engineering For A Better Future	Exact match	Besiktas, TürkiyeHQ recorded Sep 17, 2026	10001+	107 contacts →
	Exact match “ENKA is a global engineering and construction firm headquartered in Istanbul, Turkey.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Tefirom İnşaat Enerji Sanayi VE Ticaret A.Ş	Exact match	Ankara, TürkiyeHQ recorded Sep 17, 2026	1,001-5,000	102 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 · Sep 17, 2026 · View company records in RevenueBase
10	Stadia Engineering	Exact match	Çankaya, TürkiyeHQ recorded Sep 17, 2026	51-200	77 contacts →
	Exact match “Stadia Engineering and Consultancy was established in 2018.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	VEMAK	Exact match	Ankara, TürkiyeHQ recorded Sep 17, 2026	1,001-5,000	76 contacts →
	Exact match “VEMAK is a construction company based on Ankara, TURKEY” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Teknika Teknik	Exact match	Atasehir, TürkiyeHQ recorded Sep 17, 2026	501-1,000	73 contacts →
	Exact match “Teknika Teknik Taahhüt A.Ş.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Joule Energy	Exact match	Atasehir, TürkiyeHQ recorded Sep 17, 2026	51-200	67 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 · Sep 17, 2026 · View company records in RevenueBase
14	D&t Group Engineering And Contracting CO	Exact match	Umraniye, TürkiyeHQ recorded Sep 17, 2026	501-1,000	62 contacts →
	Exact match “We are delighted to introduce D&T Group as an engineering and contracting company.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Clean Tank Engineering	Exact match	Aliaga, TürkiyeHQ recorded Sep 17, 2026	201-500	60 contacts →
	Exact match “CleanTank Mühendislik - Mühendislik Hizmeti - Kumlama ve Boyama Hizmeti - API 650 Tank İmalatları - API 653 Tank Bakım Onarım Hizmeti CleanTank Mekanik - Endüstriyel Borulama…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	MOD Endüstriyel Servisler	Exact match	İstanbul, TürkiyeHQ recorded Sep 17, 2026	201-500	58 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 · Sep 17, 2026 · View company records in RevenueBase
17	Efor Industrial Plants Erection, Manufacturing & Construction INC	Exact match	Ankara, TürkiyeHQ recorded Sep 17, 2026	501-1,000	56 contacts →
	Exact match “EFOR Ltd was established in 1998 in Ankara, Turkey as a foreign trade company specializing on materials and equipment utilized in power plants.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Koryon Engineering & Consultancy	Exact match	Bornova, TürkiyeHQ recorded Sep 17, 2026	11-50	55 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 · Sep 17, 2026 · View company records in RevenueBase
19	Gunak Heavy Industries	Exact match	Istanbul, TürkiyeHQ recorded Sep 17, 2026	201-500	55 contacts →
	Exact match “Günak is a fabricator and contractor company, specialized in the fabrication and erection of the process equipments that are used in industrial plants.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	KM Heavy Industries - Kmhi	Exact match	Tekirdag, TürkiyeHQ recorded Sep 17, 2026	51-200	52 contacts →
	Exact match “KMHI started its operations in 1962 and continues at workshop area (closed area sqm).” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Aksoylar Mühendislik A.Ş	Exact match	İstanbul, TürkiyeHQ recorded Sep 17, 2026	51-200	52 contacts →
	Exact match “Aksoylar Mühendislik, endüstriyel tesisler için komple kuruluma dayalı bir taahhüt firmasıdır.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	HUM OIL & FAT Technologies	Exact match	Ataşehir, TürkiyeHQ recorded Sep 17, 2026	51-200	47 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 · Sep 17, 2026 · View company records in RevenueBase
23	Rapid Engineering And Maintenance Solutions - Rems	Exact match	Izmir, TürkiyeHQ recorded Sep 17, 2026	51-200	35 contacts →
	Exact match “Rapid Engineering and Maintenance Solutions - REMS company is set in Turkey with the aim to provide engineering and maintenance solutions as well as construction services to the…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Romon Group	Exact match	Kastamonu, TürkiyeHQ recorded Sep 17, 2026	201-500	34 contacts →
	Exact match “In addition to our core expertise in industrial piping construction, we offer our customers one-stop solutions in the areas of tanks and process equipment, structural steelwork…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Egesa Enerji	Exact match	Ankara, TürkiyeHQ recorded Sep 17, 2026	51-200	33 contacts →
	Exact match “EGESA Elektrik İnşaat Enerji Üretim A.Ş enerji sektörünün lider mühendislik ve taahhüt firmasıdır.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

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

This list uses Exact for “oil and gas processing plant 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 257 oil and gas processing plant contractors based in Türkiye

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Oil and gas processing plant contractors based in Türkiye at a glance

As of Sep 17, 2026

13.7%Verified-email coverage

27.0Average contacts per company

11-50Median size (employees)

15.6%Largest-city concentration · Istanbul

Sep 17, 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 257 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 and gas processing plant 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 947 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 17, 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 and gas processing plant contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oil and gas processing plant contractors are there based in Türkiye?

RevenueBase identified 257 company matches for oil and gas processing plant contractors associated with Türkiye as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Ronesans Endustri Tesisleri tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most oil and gas processing plant contractors?

Istanbul leads with 40 company records, followed by Ankara (32) and Kocaeli (15).

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 947 professional contacts with verified work emails tracked across these 257 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 17, 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.