Company lists · Data refreshed November 2026

Top 21 Oil and gas power contractors based in Ankara, Türkiye

RevenueBase identified 101 company matches for oil and gas power contractors associated with Ankara, Türkiye as of November 2026 and tracks 2,503 professional contacts across them, including 255 with verified work emails. Across Türkiye, Istanbul is the largest hub for this category (141 companies); Ankara follows with 101.

This list covers company matches for oil and gas power contractors associated with Ankara, 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 November 4, 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 Nov 4, 2026 How this list was built
101Companies
2,503Contacts tracked
255Verified emails
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The 21 largest oil and gas power contractors based in Ankara, Türkiye

Ranked by team size
Top 21 of 101 company matches for oil and gas power contractors based in Ankara, Türkiye, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 4, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchAnkara, TürkiyeHQ recorded Nov 4, 202610001+1,005 contacts →

Exact match

“GAMA HOLDING A.Ş.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
2Exact matchAnkara, TürkiyeHQ recorded Nov 4, 202651-200156 contacts →

Exact match

“We as MRC Türkiye provide engineering and advisory services within all aspects of Energy and Utility business (Distribution, Transmission, Generation and Energy Markets) and over…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
3Exact matchAnkara, TürkiyeHQ recorded Nov 4, 20261,001-5,00084 contacts →

Exact match

“VEMAK is a construction company based on Ankara, TURKEY”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
4Exact matchAnkara, TürkiyeHQ recorded Nov 4, 202651-20060 contacts →

Exact match

“EGESA Elektrik İnşaat Enerji Üretim A.Ş enerji sektörünün lider mühendislik ve taahhüt firmasıdır.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
5Exact matchAnkara, TürkiyeHQ recorded Nov 4, 202651-20052 contacts →

Exact match

“Faali̇yet alani; enerji̇ naki̇l ve i̇leti̇m hatlari, trafo merkezleri̇, scada si̇stemleri̇, anten di̇rekleri̇,aydinlatma di̇rekleri̇ni̇n mühendi̇sli̇k ve montaj i̇şleri̇, anahtar…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
6Exact matchAnkara, TürkiyeHQ recorded Nov 4, 202611-5044 contacts →

Exact match

“Established in Form Elektrik is a leading engineering company specializing in high-end solutions for Power & Energy Systems.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
7Exact matchAnkara, TürkiyeHQ recorded Nov 4, 2026201-50032 contacts →

Exact match

“Erksis Energy Investment Construction and Trade Inc.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
8Exact matchAnkara, TürkiyeHQ recorded Nov 4, 2026201-50021 contacts →

Exact match

“With our experienced team in the fields of Energy, Industrial Facilities, and Signaling we provide services both domestically and internationally.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
9Exact matchAnkara, TürkiyeHQ recorded Nov 4, 202651-20020 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 · Nov 4, 2026 · View company records in RevenueBase
10Exact matchAnkara, TürkiyeHQ recorded Nov 4, 202651-20013 contacts →

Exact match

“25 Long Years Of Manufacturing Excellence!”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
11Exact matchAnkara, TürkiyeHQ recorded Nov 4, 202611-508 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 · Nov 4, 2026 · View company records in RevenueBase
12Exact matchAnkara, TürkiyeHQ recorded Nov 4, 202611-507 contacts →

Exact match

“EPCont Industrial Contracting and Engineering Company is your go-to expert for industrial process plants.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
13Exact matchAnkara, TürkiyeHQ recorded Nov 4, 20261-106 contacts →

Exact match

“Pelka Elektrik Mühendislik Sanayi ve Ticaret A.Ş.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
14Exact matchAnkara, TürkiyeHQ recorded Nov 4, 202611-505 contacts →

Exact match

“Demkon Enerji”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
15Exact matchAnkara, TürkiyeHQ recorded Nov 4, 202611-505 contacts →

Exact match

“Enso Elektrik Olarak Yenilenebilir Enerji Kaynaklarının temel mühendislik hizmetlerini sunmaktadır.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
16Exact matchAnkara, TürkiyeHQ recorded Nov 4, 2026501-1,0004 contacts →

Exact match

“Founded in 1968, Usluel Group is a leading engineering and construction group operating in Energy, Telecommunications, and Transportation infrastructure.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
17Exact matchAnkara, TürkiyeHQ recorded Nov 4, 202611-504 contacts →

Exact match

“Enerji̇ mühendi̇sli̇k”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
18Exact matchAnkara, TürkiyeHQ recorded Nov 4, 20261-103 contacts →

Exact match

“GATEK, ülkemizin hızla gelişen teknoloji ve makine sektörüne katkıda bulunmak amacıyla alanında uzman ve Türkiye’nin önde gelen üniversitelerinden mezun mühendis kadrosuyla Ocak…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
19Exact matchAnkara, TürkiyeHQ recorded Nov 4, 20261-103 contacts →

Exact match

“PetroNG offers a fully integrated engineering, procurement and construction solutions as a system integrator for oil and gas facilities, power plants, petrochemical plants, LNG…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
20Exact matchAnkara, TürkiyeHQ recorded Nov 4, 202651-2002 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 · Nov 4, 2026 · View company records in RevenueBase
21Exact matchAnkara, TürkiyeHQ recorded Nov 4, 20261-101 contacts →

Exact match

“GKD Energy was established to serve its customers with an approach that adopts the highest standards of ethics and integrity.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase

Showing 21 of 101 oil and gas power contractors based in Ankara, Türkiye

See the full list, filter by size, metro and specialty, and access 255 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Oil and gas power contractors based in Ankara, Türkiye at a glance

As of Nov 4, 2026
10.2%Verified-email coverage
24.8Average contacts per company
11-50Median size (employees)
Nov 4, 2026Page data refreshed

Companies by employee count

1-10
26
11-50
35
51-200
20
201-500
10
501-1,000
4
1,001-5,000
5
10001+
1

Email recency for this list is measured across the whole Türkiye list rather than for Ankara, so it is reported there. Company counts and contact totals on this page are exact for Ankara, over 101 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 Ankara, Türkiye whose business descriptions match “oil and gas power 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 255 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 November 4, 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.

Oil and gas power contractors by metro in Türkiye

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 power contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oil and gas power contractors are there based in Ankara, Türkiye?

RevenueBase identified 101 company matches for oil and gas power contractors associated with Ankara, Türkiye as of November 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 in Türkiye has the most oil and gas power contractors?

Istanbul leads Türkiye with 141 company records, followed by Ankara (101) and Izmir (49).

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 255 professional contacts with verified work emails tracked across these 101 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 November 4, 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.