Company lists · Data refreshed October 2026

Top 25 Environmental consulting companies for oil and gas based in Türkiye

Name: Environmental consulting companies for oil and gas based in Türkiye
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 12, 2026 374 companies tracked

RevenueBase identified 374 company matches for environmental consulting companies for oil and gas associated with Türkiye as of October 2026 and tracks 2,753 professional contacts across them, including 309 with verified work emails. Ankara is the largest hub.

This list covers company matches for environmental consulting companies for oil and gas 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 12, 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 12, 2026 How this list was built

374Companies

2,753Contacts tracked

309Verified emails

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The 25 largest environmental consulting companies for oil and gas based in Türkiye

Ranked by team size

Top 25 of 374 company matches for environmental consulting companies for oil and gas based in Türkiye, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 12, 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	Promer Consultancy Engineering INC	Exact match	Ankara, TürkiyeHQ recorded Oct 12, 2026	51-200	108 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 · Oct 12, 2026 · View company records in RevenueBase
2	Stadia Engineering	Exact match	Çankaya, TürkiyeHQ recorded Oct 12, 2026	51-200	84 contacts →
	Exact match “Stadia Engineering and Consultancy was established in 2018.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
3	Çınar Engineering Consultancy INC	Exact match	Etimesgut, TürkiyeHQ recorded Oct 12, 2026	51-200	75 contacts →
	Exact match “The environment is a rising value in the world.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4	Artemis Arıtım	Exact match	İstanbul, TürkiyeHQ recorded Oct 12, 2026	51-200	62 contacts →
	Exact match “1998 yılından günümüze çevre koruma konusunda faaliyet gösteren Artemis Arıtım uluslararası bilgi ve tecrübeye sahip mühendisleri ve akademik danışmanlarıyla birçok başarılı…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
5	Koryon Engineering & Consultancy	Exact match	Bornova, TürkiyeHQ recorded Oct 12, 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 12, 2026 · View company records in RevenueBase
6	BE	Exact match	Ankara, TürkiyeHQ recorded Oct 12, 2026	51-200	61 contacts →
	Exact match “be is dedicated to providing sustainable engineering solutions and consultancy services in the fields of Renewables, Oil & Gas.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
7	Mitto Consultancy	Exact match	Ümit, TürkiyeHQ recorded Oct 12, 2026	51-200	42 contacts →
	Exact match “Türkiye'de madencilik yatırımları konusunda 19 yılı aşkın deneyime sahiptir.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8	Çınar Çevre Laboratuvarı A.Ş	Exact match	Ankara, TürkiyeHQ recorded Oct 12, 2026	51-200	39 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9	Proçed Çevre Danışmanlığı Mühendislik İnş. San. VE Tic. Ltd. ŞTI	Exact match	İzmir, TürkiyeHQ recorded Oct 12, 2026	11-50	30 contacts →
	Exact match “Proçed Çevre Danışmanlığı Mühendislik İnş.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10	Ulus Mühendi̇sli̇k	Exact match	Maltepe, TürkiyeHQ recorded Oct 12, 2026	11-50	26 contacts →
	Exact match “Ulus Mühendislik Olarak, ÇEVRE DANIŞMANLIĞI' nda Uzman Mühendis Kadrolarımızla Hizmet Sunmaktayız.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11	Crad Çevre Risk Analiz Denetim VE Eğitim Hizmetleri A.Ş	Exact match	İstanbul, TürkiyeHQ recorded Oct 12, 2026	11-50	25 contacts →
	Exact match “CRAD 2008 yılında, kimya ve benzeri endüstri alanlarını Türkiye ve dünya çapında kimyasal mevzuatlara uyum konusunda desteklemek amacıyla kurulmuştur.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12	Ozifin Mining LTD	Exact match	Çankaya, TürkiyeHQ recorded Oct 12, 2026	11-50	23 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 · Oct 12, 2026 · View company records in RevenueBase
13	Çalık Proje Mühendislik A.Ş	Exact match	İstanbul, TürkiyeHQ recorded Oct 12, 2026	51-200	19 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 · Oct 12, 2026 · View company records in RevenueBase
14	Eçed Çevre Danışmanlık VE Mühendislik Hizmetleri	Exact match	Istanbul, TürkiyeHQ recorded Oct 12, 2026	11-50	19 contacts →
	Exact match “2001 yılında kurucumuz Harun TEKAY Çevre Danışmanlık hizmetlerinde aktif çalışma hayatına başlamıştır.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15	Lefa Temsilcilik	Exact match	Besiktas, TürkiyeHQ recorded Oct 12, 2026	11-50	19 contacts →
	Exact match “20 yıldan bu yana petro kimya, enerji, tekstil, havacılık, kağıt ve ısı transfer gibi bir çok sektöre danışmanlık ve mühendislik hizmeti veren Lefa Temsilcilik, verdiği hizmetler…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
16	ETC Çevre Teknolojileri	Exact match	Konutkent Çankaya, TürkiyeHQ recorded Oct 12, 2026	11-50	18 contacts →
	Exact match “ETC, 2004 yılında faaliyetlerine başlamış olup çevre danışmanlık, ÇED Raporları, Proje Tanıtım Dosyaları hazırlanması, atıksu arıtma tesisleri yapımı, işletme ve bakım hizmetleri…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17	Ençev Enerji̇	Exact match	Ankara, TürkiyeHQ recorded Oct 12, 2026	51-200	18 contacts →
	Exact match “EN-ÇEV Enerji Çevre Yatırımları ve Danışmanlığı Haritacılık İmar İnşaat A.Ş.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18	CS Oilfield	Exact match	İstanbul, TürkiyeHQ recorded Oct 12, 2026	11-50	17 contacts →
	Exact match “CS OILFIELD offers high quality solutions in the optimum way by evaluating each operation individually with its own parameters.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19	MIM Engineering & Consulting Mimenco	Exact match	Manisa, TürkiyeHQ recorded Oct 12, 2026	11-50	16 contacts →
	Exact match “MIM Mühendislik ve Danışmanlık faaliyet gösterdiği sektörlerde her zaman verdiği hizmetin profesyonelliği ve kalitesi ile tanınan, çok sayıda uluslararası ve yerli dev firmanın…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20	2u1k Engineering And Consultancy INC	Exact match	Çankaya, TürkiyeHQ recorded Oct 12, 2026	11-50	15 contacts →
	Exact match “2U1K Mühendislik ve Danışmanlık A.Ş, 2012 yılında Turgay Eser (Çevre Mühendisi), Günal Özenirler (Çevre Yüksek Mühendisi) ve Dündar Emre Kaya (Çevre Mühendisi) tarafından…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21	Intergeo Çevre Teknolojileri Ltd.Şti	Exact match	Kadikoy, TürkiyeHQ recorded Oct 12, 2026	11-50	14 contacts →
	Exact match “Uzman mühendislerimiz ile çevre sektöründe uygun, teknolojik, sürdürülebilir çözümler üretiyoruz.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22	Toros Filtrasyon Teknolojileri A.S	Exact match	Istanbul, TürkiyeHQ recorded Oct 12, 2026	11-50	14 contacts →
	Exact match “Toros is a leading engineering company in Türkiye, specializing in oil management.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23	Erce Enerji	Exact match	Ankara, TürkiyeHQ recorded Oct 12, 2026	51-200	14 contacts →
	Exact match “25 Long Years Of Manufacturing Excellence!” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
24	Bilgi Çevre Mühendislik	Exact match	İstanbul, TürkiyeHQ recorded Oct 12, 2026	1-10	13 contacts →
	Exact match “Bilgi Çevre, 2010 yılından bu yana Çevre Danışmanlık ve Müşavirlik Hizmetleri kapsamında çalışan bir grup mühendis tarafından kurulmuştur.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
25	ÇH Opti̇mum Mühendi̇sli̇k VE Danişmanlik	Exact match	Samsun, TürkiyeHQ recorded Oct 12, 2026	51-200	12 contacts →
	Exact match “ÇH Optimum Engineering is an innovative young company.” Recorded in the RevenueBase company graph · Oct 12, 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 “environmental consulting companies for oil and gas”. 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 374 environmental consulting companies for oil and gas based in Türkiye

See the full list, filter by size, metro and specialty, and access 309 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Environmental consulting companies for oil and gas based in Türkiye at a glance

As of Oct 12, 2026

11.2%Verified-email coverage

7.4Average contacts per company

1-10Median size (employees)

17.1%Largest-city concentration · Ankara

Oct 12, 2026Page data refreshed

Companies by employee count

1-10

237

11-50

106

51-200

201-500

501-1,000

1,001-5,000

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 374 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 “environmental consulting companies for oil and gas” 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 309 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 12, 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.

Environmental consulting companies for oil and gas by metro

Environmental consulting companies for oil and gas in Ankara64

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 “environmental consulting companies for oil and gas”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many environmental consulting companies for oil and gas are there based in Türkiye?

RevenueBase identified 374 company matches for environmental consulting companies for oil and gas 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?

Promer Consultancy Engineering INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most environmental consulting companies for oil and gas?

Ankara leads with 64 company records, followed by Istanbul (49) and Cankaya (39).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 309 professional contacts with verified work emails tracked across these 374 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 12, 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.