Company lists · Data refreshed September 2026

Top 25 Petroleum engineering companies based in Türkiye

Name: Petroleum engineering companies based in Türkiye
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 131 companies tracked

RevenueBase identified 131 company matches for petroleum engineering companies associated with Türkiye as of September 2026 and tracks 2,748 professional contacts across them, including 401 with verified work emails. Ankara is the largest hub.

This list covers company matches for petroleum engineering companies 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

131Companies

2,748Contacts tracked

401Verified emails

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The 25 largest petroleum engineering companies based in Türkiye

Ranked by team size

Top 25 of 131 company matches for petroleum engineering companies 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	Tp-Otc	Exact match	Çankaya, TürkiyeHQ recorded Sep 17, 2026	501-1,000	1,501 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 · Sep 17, 2026 · View company records in RevenueBase
2	Bordrill Drilling Contractor And Trade Corp	Exact match	Ankara, TürkiyeHQ recorded Sep 17, 2026	201-500	215 contacts →
	Exact match “BORDRILL Drilling Contractor & Trade Co.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Promer Consultancy Engineering INC	Exact match	Ankara, TürkiyeHQ recorded Sep 17, 2026	51-200	102 contacts →
	Exact match “PROMER Müşavirlik Mühendislik A.Ş.® is an independent engineering-consultancy company offering various professional solutions and services for industries such as mining, power…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Istrich	Exact match	Ankara, TürkiyeHQ recorded Sep 17, 2026	51-200	92 contacts →
	Exact match “Enerji sektöründe ortaklarımızın özel sektörde yılların başından beri gerçekleştirdiği başarılı projeler ve edindiği tecrübelerden sonra, Istrich 2014 yılında müşterilerine enerji…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	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
6	Ozifin Mining LTD	Exact match	Çankaya, TürkiyeHQ recorded Sep 17, 2026	11-50	30 contacts →
	Exact match “Ozifin is an independent, international engineering and consulting company based in Turkey, providing comprehensive solutions to the mining industry and related sectors since 2016.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	AYA Drilling Services	Exact match	Ankara, TürkiyeHQ recorded Sep 17, 2026	1-10	25 contacts →
	Exact match “Oilfield Services Company” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Çalık Proje Mühendislik A.Ş	Exact match	İstanbul, TürkiyeHQ recorded Sep 17, 2026	51-200	22 contacts →
	Exact match “Çalık Proje Mühendislik; Enerji, Petrol, Gaz ve Endüstri piyasalarında yer alan çeşitli firmalar – yükleniciler, işverenler ve finans kuruluşlarına 22 yıldır hizmet veren bir…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Zetaş Yapi	Exact match	Ankara, TürkiyeHQ recorded Sep 17, 2026	51-200	17 contacts →
	Exact match “ZETAS YAPI is an engineering company that gives technical support to construction, industry, oil & gas projects with offices in Ankara, Baku, Tbilisi and Warsaw.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	STE Technic	Exact match	Cayirova, TürkiyeHQ recorded Sep 17, 2026	11-50	14 contacts →
	Exact match “STE Technic is an engineering services and product supply company consist of a team who has wide experience and knowledge in the field of energy sector within global leading…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Fides Mühendislik	Exact match	Ankara, TürkiyeHQ recorded Sep 17, 2026	11-50	13 contacts →
	Exact match “Bünyesinde jeoloji, maden ve çevre mühendisliğinin yanı sıra çeşitli disiplinlerden oluşan tecrübeli uzman kadrosu ile her geçen gün büyümeye devam eden FİDES MÜHENDİSLİK…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Toros Filtrasyon Teknolojileri A.S	Exact match	Istanbul, TürkiyeHQ recorded Sep 17, 2026	11-50	12 contacts →
	Exact match “Toros is a leading engineering company in Türkiye, specializing in oil management.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Pesscon Makina Mühendislik Metal İnşaat Sanayi VE Ticaret A.Ş	Exact match	Bayrakli, TürkiyeHQ recorded Sep 17, 2026	51-200	12 contacts →
	Exact match “yılından bu yana Petrol, Gaz, Enerji ve Madencilik sektörlerinde; Çelik Ekipman, tank İmalat, Montaj, Proje Yönetimi ve Kalite Kontrol konularında, yurtiçinde ve yurtdışında…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	FNC Petrol Madencilik Sanayi VE Ticaret AS	Exact match	Ankara, TürkiyeHQ recorded Sep 17, 2026	11-50	12 contacts →
	Exact match “FNÇ Mühendislik yerbilimleri konusundaki deneyimi ve bilgi birikimi ile mühendislik ve danışmanlık hizmeti vermek amacı ile kurulmuştur.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Geniaturkey	Exact match	Levent, TürkiyeHQ recorded Sep 17, 2026	1-10	12 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Enigma Energy Solutions	Exact match	Ankara, TürkiyeHQ recorded Sep 17, 2026	51-200	10 contacts →
	Exact match “We supply clients with geophysical services to help them achieve greater success in finding, developing, managing hydrocarbon reservoirs and mineral deposits.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Isystems Industries	Exact match	Kocaeli, TürkiyeHQ recorded Sep 17, 2026	51-200	9 contacts →
	Exact match “iSystems Industries, a member of Akfel Commodities, is a group of companies that has been providing manufacturing, procurement, engineering, construction and project management…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Flowio Engineering	Exact match	Kurtköy, TürkiyeHQ recorded Sep 17, 2026	11-50	8 contacts →
	Exact match “Flowio is an Engineering company who provides engineering solutions in energy industry mainly Oil & Gas, Power and Chemical Plants.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Emtesa	Exact match	Ankara, TürkiyeHQ recorded Sep 17, 2026	11-50	7 contacts →
	Exact match “Emtesa operates as a technical supply company with the experienced engineer crew, serving companies that are in need of technical components.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Procubex	Exact match	Istanbul, TürkiyeHQ recorded Sep 17, 2026	1-10	5 contacts →
	Exact match “A different service experience and tailor-made solutions for businesses in upstream & downstream of oil, gas and geothermal industry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Neos Enerji	Exact match	Golbasi, TürkiyeHQ recorded Sep 17, 2026	11-50	4 contacts →
	Exact match “NEOS Group Inc.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Teori Earth Sciences	Exact match	Etimesgut, TürkiyeHQ recorded Sep 17, 2026	1-10	4 contacts →
	Exact match “Teori Earth Sciences is an engineering and consultancy firm that aims to offer geological, hydrogeological, and environmental solutions at national and international standards…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Enigma Engineering Solutions	Exact match	Aydın, TürkiyeHQ recorded Sep 17, 2026	1-10	3 contacts →
	Exact match “Enigma Engineering Solutions is an independent consultancy company which was found in 2023 in Turkey for the oil, gas & geothermal exploration & production industry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Petra Project & Design	Exact match	Merkez, TürkiyeHQ recorded Sep 17, 2026	1-10	3 contacts →
	Exact match “Founding Purpose PETRA Project & Design targets to National and International Markets, with regards to utilizing underground resources and awareness of industrial requirements…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Iigs Mühendislik VE Danışmanlık Hizmetleri A.Ş	Exact match	Ankara, TürkiyeHQ recorded Sep 17, 2026	51-200	2 contacts →
	Exact match “IIGS is an engineering and consulting company serving mainly in nuclear, pipeline and railway industries during initiating, planning, executing, monitoring and closing phases of…” 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 “petroleum engineering companies”. 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 131 petroleum engineering companies based in Türkiye

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Petroleum engineering companies based in Türkiye at a glance

As of Sep 17, 2026

14.6%Verified-email coverage

21.0Average contacts per company

1-10Median size (employees)

22.1%Largest-city concentration · Ankara

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

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 131 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 “petroleum engineering companies” 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 401 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 “petroleum engineering companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many petroleum engineering companies are there based in Türkiye?

RevenueBase identified 131 company matches for petroleum engineering companies 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?

Tp-Otc tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most petroleum engineering companies?

Ankara leads with 29 company records, followed by Istanbul (21) and Cankaya (17).

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 401 professional contacts with verified work emails tracked across these 131 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.