Company lists · Data refreshed September 2026

Top 25 Energy efficiency services companies based in Türkiye

Name: Energy efficiency services companies based in Türkiye
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 16, 2026 135 companies tracked

RevenueBase identified 135 energy efficiency services companies headquartered in Türkiye as of September 2026 and tracks 1,016 professional contacts across them, including 148 with verified work emails. Istanbul is the largest hub.

This list covers energy efficiency services companies 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 16, 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 16, 2026 86% judged on-target in blind review

135Companies

1,016Contacts tracked

148Verified emails

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The 25 largest energy efficiency services companies based in Türkiye

Ranked by team size

Top 25 of 135 energy efficiency services companies based in Türkiye, ranked by team size, largest first. Data refreshed Sep 16, 2026. RevenueBase Smart Search rates how each company's information relates to energy efficiency services companies: 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	Entes Elektronik	Strong evidence	Istanbul, TürkiyeHQ checked Sep 16, 2026	201-500	289 contacts →
	Strong evidence “A World Brand/Pride of Turkey In Energy Quality ENTES is a family that works ardently for energy quality and efficiency in our country, where energy is valuable and overcosting.” Source: RevenueBase Database · checked Sep 16, 2026
2	Escon Enerji A.Ş	Strong evidence	Istanbul, TürkiyeHQ checked Sep 16, 2026	11-50	37 contacts →
	Strong evidence “ESCON Energy, founded in 2004 as the first Turkish ESCO and accredited in 2009 as Energy Efficiency Consultancy Company (EVD) by Ministry of Energy and Natural Resources, helps…” Source: RevenueBase Database · checked Sep 16, 2026
3	Necron Energy	Partial evidence	Tuzla, TürkiyeHQ checked Sep 16, 2026	201-500	34 contacts →
	Partial evidence “By using our resources in an efficient manner, in order to offer high quality and reliable services to our customers, in-line with their expectations, to offer solutions with…” Source: RevenueBase Database · checked Sep 16, 2026
4	VAT Enerji̇ Hi̇zmetleri̇	Partial evidence	İstanbul, TürkiyeHQ checked Sep 16, 2026	11-50	33 contacts →
	Partial evidence “Küreselleşme sonucu dünyada artan ticaret hacmi ve üretim imkânlarının gelişmesi, modernleşen toplumlarla birlikte enerji ihtiyacının artmasına neden olmaktadır.” Source: RevenueBase Database · checked Sep 16, 2026
5	Altensis	Indirect evidence	Atasehir, TürkiyeHQ checked Sep 16, 2026	11-50	18 contacts →
	Indirect evidence “As we face with the uprising and unwanted effects of the global warming, minimizing our carbon dioxide emissions is becoming more and more important each day.” Source: RevenueBase Database · checked Sep 16, 2026
6	Best Enerji Yönetimi	Partial evidence	İstanbul, TürkiyeHQ checked Sep 16, 2026	11-50	18 contacts →
	Partial evidence “BEST Enerji Yönetimi; Sanayide ve Binalarda Enerji Verimliliğine odaklanmış tüm Türkiye'de faaliyetlerini yürüten enerji verimliliği şirketidir.” Source: RevenueBase Database · checked Sep 16, 2026
7	Göze Enerji	Partial evidence	Ankara, TürkiyeHQ checked Sep 16, 2026	11-50	15 contacts →
	Partial evidence “Göze Energy has brought a new approach which offers a different point of view and innovative solutions to the energy sector during providing environmental, economic and…” Source: RevenueBase Database · checked Sep 16, 2026
8	PAL Mühendislik LTD ŞTI	Strong evidence	Bornova, TürkiyeHQ checked Sep 16, 2026	11-50	12 contacts →
	Strong evidence “Since 2008, we have been with you with our PAL engineering group companies in the fields of energy efficiency increase projects, efficiency-increasing engineering projects in…” Source: RevenueBase Database · checked Sep 16, 2026
9	Dansuk Engineering	Partial evidence	Altunizade, TürkiyeHQ checked Sep 16, 2026	51-200	11 contacts →
	Partial evidence “Dansuk Engineering - a solution partner to global corporations like Koç Holding, Arçelik, Beko, LG and Arctic - has been providing innovative HVAC and energy solutions for…” Source: RevenueBase Database · checked Sep 16, 2026
10	Besenve	Partial evidence	Atasehir, TürkiyeHQ checked Sep 16, 2026	11-50	10 contacts →
	Partial evidence “BESENVE, enerji verimliliği danışmanlığı alanında verimlilik artırıcı çözümlere dair enerji etüdü, mühendislik, projelendirme, uygulama, test ve işletmeye alma, performans ölçme…” Source: RevenueBase Database · checked Sep 16, 2026
11	Atasayin Enerji̇ VE Mühendi̇sli̇k Anoni̇m Şi̇rketi̇	Partial evidence	Pendi̇k, TürkiyeHQ checked Sep 16, 2026	1-10	10 contacts →
	Partial evidence “Atasayın Enerji ve Mühendislik firması olarak iklim değişikliği ve enerji kaynaklarının verimli kullanılmasına önem veriyoruz.” Source: RevenueBase Database · checked Sep 16, 2026
12	Efektif Endüstriyel Enerji A.Ş	Partial evidence	Melikgazi, TürkiyeHQ checked Sep 16, 2026	51-200	7 contacts →
	Partial evidence “Şirketimiz 2008 yılında enerji verimliliği, enerji kullanım ve üretim danışmanlık hizmetleri, ve enerji santralleri kurulumu konularında hizmet vermek üzere Kayseri Erciyes…” Source: RevenueBase Database · checked Sep 16, 2026
13	Recton	Partial evidence	Istanbul, TürkiyeHQ checked Sep 16, 2026	1-10	7 contacts →
	Partial evidence “Recton provides creative solutions regarding maintenance, energy, and operational cost-saving with the help of its high technology, enhanced products, and services.” Source: RevenueBase Database · checked Sep 16, 2026
14	NET Enerji̇ Danişmanlik	Partial evidence	Başakşehir, TürkiyeHQ checked Sep 16, 2026	1-10	5 contacts →
	Partial evidence “Enerji verimliliği için enerji tüketimi izleme ve yönetme çözümlerini global ortaklarımızla sunuyoruz” Source: RevenueBase Database · checked Sep 16, 2026
15	Eyoder	Partial evidence	Istanbul, TürkiyeHQ checked Sep 16, 2026	1-10	5 contacts →
	Partial evidence “Enerji Verimliliği ve Yönetimi Derneği (EYODER), kurulduğu 2010 yılından bu yana enerji verimliliği sektörünün sağlıklı olarak gelişmesi için çalışan bir sivil toplum örgütüdür.” Source: RevenueBase Database · checked Sep 16, 2026
16	Venesi̇s	Indirect evidence	Adana, TürkiyeHQ checked Sep 16, 2026	1-10	5 contacts →
	Indirect evidence “İşletmelerin büyük çoğunluğunda, tesisat hataları, yanlış seçilmiş cihazlar ve ömrünü tamamlamış sistemler nedeni ile verim kayıpları yaşanmaktadır.” Source: RevenueBase Database · checked Sep 16, 2026
17	Erdinç Klima Endüstri Ürünleri San.Tve Tic.Ltd.Şti	Indirect evidence	İstanbul, TürkiyeHQ checked Sep 16, 2026	1-10	5 contacts →
	Indirect evidence “HAKKIMIZDA Güvenilir, müşteri odaklı, çözüm ortağınız.” Source: RevenueBase Database · checked Sep 16, 2026
18	Opti̇mum A.Ş	Indirect evidence	Izmir, TürkiyeHQ checked Sep 16, 2026	51-200	4 contacts →
	Indirect evidence “Optimum A.Ş.” Source: RevenueBase Database · checked Sep 16, 2026
19	Mikro Enerji	Partial evidence	Beykoz, TürkiyeHQ checked Sep 16, 2026	1-10	4 contacts →
	Partial evidence “Mikro Enerji Mühendislik Şirketi olarak Enerji Verimliliği, Güneş Enerjisi Uygulamaları, Mühendislik Hizmetleri, Enerji Danışmanlık Hizmetleri alanları başta olmak üzere enerji ve…” Source: RevenueBase Database · checked Sep 16, 2026
20	Edito Project	Partial evidence	Çinar, TürkiyeHQ checked Sep 16, 2026	1-10	4 contacts →
	Partial evidence “The purpose of EDITO Project (Energy Database Information Tracking Online System) Patent Pending, is to create a real time online energy tracking and auditing system, We are…” Source: RevenueBase Database · checked Sep 16, 2026
21	ETM Verimlilik Danışmanlık	Partial evidence	Kocaeli, TürkiyeHQ checked Sep 16, 2026	1-10	3 contacts →
	Partial evidence “Endüstriyel tesislerin kârlılıklarını artırmaları ve finansal sürdürülebilirliklerini sağlamaları için en etkili araçlardan biri enerji verimliliğidir.” Source: RevenueBase Database · checked Sep 16, 2026
22	MIR Yüksek ISI İzolasyon	Partial evidence	Ankara, TürkiyeHQ checked Sep 16, 2026	11-50	3 contacts →
	Partial evidence “Doğal kaynakların hızla tükenmesi sonucu her türlü enerjinin verimli kullanılması artık zaruri hale geldi.” Source: RevenueBase Database · checked Sep 16, 2026
23	Nova Global Enerji	Partial evidence	Kocaeli, TürkiyeHQ checked Sep 16, 2026	11-50	2 contacts →
	Partial evidence “Nova Global Enerji A.Ş.” Source: RevenueBase Database · checked Sep 16, 2026
24	KM Global Enerji̇ Endüstri̇yel Çözümler	Strong evidence	Besiktas, TürkiyeHQ checked Sep 16, 2026	1-10	2 contacts →
	Strong evidence “Industrial Energy Efficiency Application Mechanical & Electrical Contracting & - Industrial Lubricant” Source: RevenueBase Database · checked Sep 16, 2026
25	Enovals Enerji Danışmanlık VE Mühendislik Hizmetleri	Indirect evidence	Istanbul, TürkiyeHQ checked Sep 16, 2026	1-10	2 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 16, 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: energy efficiency services companies. 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 energy efficiency services companies.
Partial evidence: Its own public description names part of energy efficiency services companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name energy efficiency services companies. 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 135 energy efficiency services companies based in Türkiye

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Energy efficiency services companies based in Türkiye at a glance

As of Sep 16, 2026

14.6%Verified-email coverage

7.5Average contacts per company

11-50Median size (employees)

28.9%Largest-city concentration · Istanbul

Sep 16, 2026Page data refreshed

Companies by employee count

1-10

11-50

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 135 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 energy efficiency services companies, 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 “energy efficiency services companies”. 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 energy efficiency services companies), 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 energy efficiency services companies, 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, 148 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 16, 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.

Energy efficiency services companies by metro

Energy efficiency services companies in Istanbul39

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 energy efficiency services companies, 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 energy efficiency services companies are there based in Türkiye?

RevenueBase identified 135 energy efficiency services companies 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?

Entes Elektronik, headquartered in Istanbul, tops this list with the largest team on record.

Which city has the most energy efficiency services companies?

Istanbul leads with 39 headquartered companies, followed by Ankara (10) and Cankaya (6).

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 148 verified decision-maker contacts tracked across these 135 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 16, 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.