Company lists · Data refreshed September 2026

Top 25 Rock engineering consultants based in Türkiye

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

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 481 companies tracked

RevenueBase identified 481 rock engineering consultants headquartered in Türkiye as of September 2026 and tracks 4,057 professional contacts across them, including 361 with verified work emails. Istanbul is the largest hub.

This list covers rock engineering consultants headquartered in Türkiye, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 17, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 17, 2026 86% judged on-target in blind review

481Companies

4,057Contacts tracked

361Verified emails

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The 25 largest rock engineering consultants based in Türkiye

Ranked by team size

Top 25 of 481 rock engineering consultants based in Türkiye, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to rock engineering consultants: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	SIGMA	Indirect evidence	Besiktas, TürkiyeHQ checked Sep 17, 2026	201-500	330 contacts →
	Indirect evidence “Sigma olarak inşaat sektöründeki 30 yılı aşkın tecrübemiz ve çözüm odaklı yaklaşımımızla Türkiye'nin en güvenilir mühendislik ve danışmanlık firmaları arasında yer alıyoruz.” Source: RevenueBase Database · checked Sep 17, 2026
2	Kasktaş	Indirect evidence	Beşiktaş, TürkiyeHQ checked Sep 17, 2026	201-500	167 contacts →
	Indirect evidence “KASKTAŞ’ın doğuşu, 1957 yılında kurulan ve günümüzde dünyanın en büyük taahhüt firmaları arasında yer alan ENKA İnşaat ve Sanayi A.Ş.’ye dayanmaktadır.” Source: RevenueBase Database · checked Sep 17, 2026
3	Mega Engineering Consulting	Partial evidence	Umitkoy, TürkiyeHQ checked Sep 17, 2026	201-500	119 contacts →
	Partial evidence “MEGA Engineering Consulting Inc, established in 1993, is a multidisciplinary firm that provides engineering, design, construction supervision and project management services for a…” Source: RevenueBase Database · checked Sep 17, 2026
4	İksa Mühendislik	Strong evidence	Ankara, TürkiyeHQ checked Sep 17, 2026	501-1,000	118 contacts →
	Strong evidence “IKSA Engineering Consultancy Construction Industry and Trade Inc; with its expert technical staff, numerous technological machinery and successfully concluded domestic and foreign…” Source: RevenueBase Database · checked Sep 17, 2026
5	Promer Consultancy Engineering INC	Strong evidence	Ankara, TürkiyeHQ checked Sep 17, 2026	51-200	102 contacts →
	Strong evidence “PROMER Müşavirlik Mühendislik A.Ş.® is an independent engineering-consultancy company offering various professional solutions and services for industries such as mining, power…” Source: RevenueBase Database · checked Sep 17, 2026
6	Sargin İnşaat VE Maki̇ne Sanayi̇ Ti̇caret A.Ş	Indirect evidence	Ankara, TürkiyeHQ checked Sep 17, 2026	1,001-5,000	99 contacts →
	Indirect evidence “We are a Turkish Construction Company that specialises in Tunnelling, Mining and other associated underground works.” Source: RevenueBase Database · checked Sep 17, 2026
7	Trakkom Engineering & Industries	Partial evidence	Maltepe, TürkiyeHQ checked Sep 17, 2026	51-200	83 contacts →
	Partial evidence “With over 15 years of experience in mechanized tunneling and heavy machinery & equipment, Trakkom Engineering offers sustainable global solutions for the partners all over the…” Source: RevenueBase Database · checked Sep 17, 2026
8	Zemin Etüd VE Tasarım A.Ş	Indirect evidence	Istanbul, TürkiyeHQ checked Sep 17, 2026	51-200	52 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 17, 2026
9	Arenes Engineering Group Аренес	Indirect evidence	İstanbul, TürkiyeHQ checked Sep 17, 2026	51-200	48 contacts →
	Indirect evidence “Yapıların Kalbindeyiz.” Source: RevenueBase Database · checked Sep 17, 2026
10	EFK Engineering	Partial evidence	Çankaya, TürkiyeHQ checked Sep 17, 2026	51-200	44 contacts →
	Partial evidence “EFK Engineering is an engineering and design company established in 2004 in Ankara, Turkey.” Source: RevenueBase Database · checked Sep 17, 2026
11	Perform Mühendi̇sli̇k	Indirect evidence	İstanbul, TürkiyeHQ checked Sep 17, 2026	51-200	36 contacts →
	Indirect evidence “HİZMET ALANLARIMIZ YÜKSEK YAPILAR ENDÜSTRİ VE ENERJİ TESİSLERİ TOPLU KONUTLAR HASTANELER TURİSTİK TESİSLER ve AVM'ler DEPREM GÜVENLİK ANALİZLERİ KENTSEL DÖNÜŞÜM PROJELERİ DİĞER…” Source: RevenueBase Database · checked Sep 17, 2026
12	Geodestek Ltd. ŞTI	Indirect evidence	Ankara, TürkiyeHQ checked Sep 17, 2026	11-50	32 contacts →
	Indirect evidence “GeoDestek Zemar Ltd.” Source: RevenueBase Database · checked Sep 17, 2026
13	AGM Mühendislik	Indirect evidence	Ankara, TürkiyeHQ checked Sep 17, 2026	11-50	31 contacts →
	Indirect evidence “AGM Mühendislik 1993 yılında Ankara'da kurulmuştur.” Source: RevenueBase Database · checked Sep 17, 2026
14	Ozifin Mining LTD	Partial evidence	Çankaya, TürkiyeHQ checked Sep 17, 2026	11-50	30 contacts →
	Partial evidence “Ozifin is an independent, international engineering and consulting company based in Turkey, providing comprehensive solutions to the mining industry and related sectors since 2016.” Source: RevenueBase Database · checked Sep 17, 2026
15	Sonar Drilling, Geological Survey And Geotechnical Services Co. INC	Partial evidence	Kazan, TürkiyeHQ checked Sep 17, 2026	201-500	28 contacts →
	Partial evidence “SONAR provides Geotechnical Construction and Engineering Services; such as Deep Excavation and Retaining Systems, Deep Foundations, Ground Improvement, Cut-Off Walls, and Ground…” Source: RevenueBase Database · checked Sep 17, 2026
16	Çeka Beton Kalibi A.Ş	Indirect evidence	Ankara, TürkiyeHQ checked Sep 17, 2026	201-500	26 contacts →
	Indirect evidence “50 years of experience, trusted solutions Since 1976, we’ve been delivering smart, practical, and affordable systems for tunnels and complex structures worldwide, combining…” Source: RevenueBase Database · checked Sep 17, 2026
17	Antek Makina	Partial evidence	Ankara, TürkiyeHQ checked Sep 17, 2026	11-50	24 contacts →
	Partial evidence “Antek Makina is a Turkey based leading engineering and project company which provides engineering & design, project management, manufacturing & installation, quality control…” Source: RevenueBase Database · checked Sep 17, 2026
18	TEM Engineering & Consulting	Partial evidence	Istanbul, TürkiyeHQ checked Sep 17, 2026	11-50	24 contacts →
	Partial evidence “TEM is a consulting engineering company providing civil, structural engineering, architectural design, infrastructural engineering, mechanical engineering, electrical engineering…” Source: RevenueBase Database · checked Sep 17, 2026
19	Erdemli Proje VE Müşavirlik	Partial evidence	Akaretler, TürkiyeHQ checked Sep 17, 2026	11-50	24 contacts →
	Partial evidence “Erdemli Engineering and Consulting has a vivid experience of 50 years in the field of civil-structural design and is one of the pioneering Consulting – Engineering companies of…” Source: RevenueBase Database · checked Sep 17, 2026
20	Yapi Tekni̇k Proje Müşavi̇rli̇k VE Mühendi̇sli̇k	Indirect evidence	Fikirtepe, TürkiyeHQ checked Sep 17, 2026	11-50	23 contacts →
	Indirect evidence “Yapı Teknik, established in Istanbul in 1988, specializes in the design and the construction management of all types of reinforced concrete, steel and timber structures.” Source: RevenueBase Database · checked Sep 17, 2026
21	Promota Mühendi̇sli̇k VE Müşavi̇rli̇k AŞ	Indirect evidence	Ankara, TürkiyeHQ checked Sep 17, 2026	11-50	21 contacts →
	Indirect evidence “PROMOTA her biri kendi alanında 20 yıl üzerinde mühendislik tasarımları, müşavirlik ve inşaat yönetimi alanlarında gösterdiği performans ve geliştirdiği projeler ile uzmanlaşmış…” Source: RevenueBase Database · checked Sep 17, 2026
22	ÇH Opti̇mum Mühendi̇sli̇k VE Danişmanlik	Partial evidence	Samsun, TürkiyeHQ checked Sep 17, 2026	51-200	20 contacts →
	Partial evidence “ÇH Optimum Engineering is an innovative young company.” Source: RevenueBase Database · checked Sep 17, 2026
23	Büro Statik Mühendislik İnşaat San. VE Tic. Ltd. ŞTI	Indirect evidence	Beşiktaş, TürkiyeHQ checked Sep 17, 2026	11-50	18 contacts →
	Indirect evidence “Büro Statik Mühendislik İnşaat San.” Source: RevenueBase Database · checked Sep 17, 2026
24	Modern Mühendislik	Partial evidence	İstanbul, TürkiyeHQ checked Sep 17, 2026	11-50	17 contacts →
	Partial evidence “Modern Muhendislik was established in 2005 by Galip Topönder, who has 25 years of experience in Civil & Structural Engineering.” Source: RevenueBase Database · checked Sep 17, 2026
25	Con-Ak Post Tension	Partial evidence	Ankara, TürkiyeHQ checked Sep 17, 2026	51-200	17 contacts →
	Partial evidence “Post-Tensioning, Cable Stays, Bridges, Buildings, Structure, Tanks, Silos, Engineering, Construction, Consulting” Source: RevenueBase Database · checked Sep 17, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: rock engineering consultants. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names rock engineering consultants.
Partial evidence: Its own public description names part of rock engineering consultants, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name rock engineering consultants. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 481 rock engineering consultants based in Türkiye

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Rock engineering consultants based in Türkiye at a glance

As of Sep 17, 2026

8.9%Verified-email coverage

8.4Average contacts per company

1-10Median size (employees)

19.3%Largest-city concentration · Istanbul

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

269

11-50

138

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 481 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among rock engineering consultants, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Türkiye whose own description of what they do matches “rock engineering consultants”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names rock engineering consultants), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among rock engineering consultants, and records with no verified work email. Companies headquartered outside Türkiye are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 361 across the full list. 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.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Rock engineering consultants by metro

Rock engineering consultants in Istanbul93
Rock engineering consultants in Ankara85
Rock engineering consultants in Cankaya34

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names rock engineering consultants, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many rock engineering consultants are there based in Türkiye?

RevenueBase identified 481 rock engineering consultants headquartered in Türkiye as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

SIGMA, headquartered in Besiktas, tops this list with the largest team on record.

Which city has the most rock engineering consultants?

Istanbul leads with 93 headquartered companies, followed by Ankara (85) and Cankaya (34).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 361 verified decision-maker contacts tracked across these 481 companies.

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 Smart Search, 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.