Company lists · Data refreshed September 2026

Top 25 Industrial energy efficiency software developers based in Türkiye

Name: Industrial energy efficiency software developers based in Türkiye
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 293 companies tracked

RevenueBase identified 293 industrial energy efficiency software developers headquartered in Türkiye as of September 2026 and tracks 3,027 professional contacts across them, including 756 with verified work emails. Istanbul is the largest hub.

This list covers industrial energy efficiency software developers 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 28, 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 28, 2026 86% judged on-target in blind review

293Companies

3,027Contacts tracked

756Verified emails

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The 25 largest industrial energy efficiency software developers based in Türkiye

Ranked by team size

Top 25 of 293 industrial energy efficiency software developers based in Türkiye, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to industrial energy efficiency software developers: 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 28, 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 28, 2026
2	Kontek Enerji̇	Partial evidence	İzmir, TürkiyeHQ checked Sep 28, 2026	51-200	190 contacts →
	Partial evidence “In the renewable energy sector and every area of industry, we combine energy production and savings solutions with digital automation, visualization-reporting technologies, and…” Source: RevenueBase Database · checked Sep 28, 2026
3	Luna Elektrik A.Ş A Landis GYR Company	Partial evidence	Çiğli, TürkiyeHQ checked Sep 28, 2026	1,001-5,000	171 contacts →
	Partial evidence “Luna Elektrik is a leading company in the energy sector, specializing in smart meter systems and energy management solutions.” Source: RevenueBase Database · checked Sep 28, 2026
4	Inavitas	Partial evidence	Ankara, TürkiyeHQ checked Sep 28, 2026	51-200	150 contacts →
	Partial evidence “inavitas is at the forefront of researching, developing, and delivering smart energy monitoring and management solutions for all scales' energy systems.” Source: RevenueBase Database · checked Sep 28, 2026
5	Egesim Group	Strong evidence	Gebze, TürkiyeHQ checked Sep 28, 2026	201-500	149 contacts →
	Strong evidence “EGESIM, founded in 1994, is an energy solutions company focused on industrial electrical and automation systems and EPC (engineering, procurement and construction) of geothermal…” Source: RevenueBase Database · checked Sep 28, 2026
6	NAR Sistem Teknoloji A.Ş	Strong evidence	Koşuyolu, TürkiyeHQ checked Sep 28, 2026	51-200	86 contacts →
	Strong evidence “NAR, a software development company in energy industry.” Source: RevenueBase Database · checked Sep 28, 2026
7	VTC Energy	Partial evidence	Başiskele, TürkiyeHQ checked Sep 28, 2026	51-200	61 contacts →
	Partial evidence “As VTC Energy, we are among the important stakeholders of the sector with a sustainable energy management perspective, and we provide digital energy management of companies with…” Source: RevenueBase Database · checked Sep 28, 2026
8	NU Teknoloji	Partial evidence	İstanbul/ataşehir, TürkiyeHQ checked Sep 28, 2026	11-50	38 contacts →
	Partial evidence “Geleceği Şekillendiren İnovasyon Nu Teknoloji, IoT, enerji teknolojileri ve akıllı şehir alanlarında yenilikçi çözümler geliştiren öncü bir teknoloji şirketidir.” Source: RevenueBase Database · checked Sep 28, 2026
9	VAT Enerji̇ Hi̇zmetleri̇	Partial evidence	İstanbul, TürkiyeHQ checked Sep 28, 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 28, 2026
10	ESO Endüstriyel Elektronik A.Ş	Indirect evidence	İzmit, TürkiyeHQ checked Sep 28, 2026	51-200	32 contacts →
	Indirect evidence “Küreselleşen sanayide ESO Endüstriyel A.Ş.” Source: RevenueBase Database · checked Sep 28, 2026
11	Patrion Advanced Technologies INC	Indirect evidence	İzmir, TürkiyeHQ checked Sep 28, 2026	11-50	27 contacts →
	Indirect evidence “We are Patrion, a company providing services in technology and engineering.” Source: RevenueBase Database · checked Sep 28, 2026
12	Sayax Enerji Teknolojileri A.Ş	Partial evidence	İstanbul, TürkiyeHQ checked Sep 28, 2026	11-50	21 contacts →
	Partial evidence “Sayax is a technology company that produces management and decision support systems for energy markets.” Source: RevenueBase Database · checked Sep 28, 2026
13	Energy Pool Türkiye	Partial evidence	Besiktas, TürkiyeHQ checked Sep 28, 2026	11-50	19 contacts →
	Partial evidence “Smart Energy Manager of complex systems for energy market players.” Source: RevenueBase Database · checked Sep 28, 2026
14	EKA Sistem A.Ş	Indirect evidence	İstanbul, TürkiyeHQ checked Sep 28, 2026	11-50	18 contacts →
	Indirect evidence “EKA Sistem Mühendislik ve Taahhüt A.Ş.” Source: RevenueBase Database · checked Sep 28, 2026
15	Best Enerji Yönetimi	Partial evidence	İstanbul, TürkiyeHQ checked Sep 28, 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 28, 2026
16	GKE Energy	Partial evidence	Esenler, TürkiyeHQ checked Sep 28, 2026	201-500	17 contacts →
	Partial evidence “Eski adı BGM olan GKE, müşterilerinin sektörün karmaşık gereksinimlerini karşılamalarını sağlamak amacıyla enerji santrallerine özel mühendislik ve otomasyon çözümleri sunmak…” Source: RevenueBase Database · checked Sep 28, 2026
17	Netvar Elektronik A.Ş	Indirect evidence	İstanbul, TürkiyeHQ checked Sep 28, 2026	11-50	15 contacts →
	Indirect evidence “Firmamız 2018 yılında Yıldız Teknopark İkitelli Kampüsü’nde faaliyetlerine başlamıştır.” Source: RevenueBase Database · checked Sep 28, 2026
18	Onur Enerji	Strong evidence	Izmir, TürkiyeHQ checked Sep 28, 2026	11-50	13 contacts →
	Strong evidence “Onur Enerji is a technical consultancy company, specializing in energy efficiency and renewable energy technologies to make the world greener.” Source: RevenueBase Database · checked Sep 28, 2026
19	Digitanol	Partial evidence	Kocaeli, TürkiyeHQ checked Sep 28, 2026	11-50	12 contacts →
	Partial evidence “Digitanol is a technology company providing MES (Manufacturing Execution System), IIoT (Industrial Internet of Things), carbon footprint tracking, and AI-powered solutions for the…” Source: RevenueBase Database · checked Sep 28, 2026
20	PAL Mühendislik LTD ŞTI	Strong evidence	Bornova, TürkiyeHQ checked Sep 28, 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 28, 2026
21	Telos Mühendislik Enerji VE Kontrol Sistemleri A.Ş	Indirect evidence	Ümraniye, TürkiyeHQ checked Sep 28, 2026	11-50	11 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026
22	Projesis	Indirect evidence	İzmir, TürkiyeHQ checked Sep 28, 2026	11-50	11 contacts →
	Indirect evidence “Ne için varız: Projesis Üretim İşletmelerinin, Daha iyi üretim yapmalarına katkıda bulunmak için kurulmuştur.” Source: RevenueBase Database · checked Sep 28, 2026
23	Crealab Creation & Laboratory	Strong evidence	Istanbul, TürkiyeHQ checked Sep 28, 2026	11-50	10 contacts →
	Strong evidence “Crealab is an innovative software development company focused on energy efficiency.” Source: RevenueBase Database · checked Sep 28, 2026
24	Eutech Elektrik Otomasyon	Indirect evidence	Umraniye, TürkiyeHQ checked Sep 28, 2026	11-50	10 contacts →
	Indirect evidence “Eutech, sektördeki tecrübe ve birikimleri sonucu anahtar teslim çözümler sunmak üzere Ocak 2018'de Emre BOZKURT ve Ufuk DİŞLİOĞLU tarafından kurulmuştur.” Source: RevenueBase Database · checked Sep 28, 2026
25	Toplam Enerji Merkezi	Partial evidence	Kocaeli, TürkiyeHQ checked Sep 28, 2026	1-10	10 contacts →
	Partial evidence “Toplam Enerji Merkezi olarak, sanayide yeşil enerji enstrümanlarına yoğunlaşıp dünyamızı daha yaşanılabilir hale getirmeye çalışıyoruz.” Source: RevenueBase Database · checked Sep 28, 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: industrial energy efficiency software developers. 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 industrial energy efficiency software developers.
Partial evidence: Its own public description names part of industrial energy efficiency software developers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name industrial energy efficiency software developers. 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 293 industrial energy efficiency software developers based in Türkiye

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Industrial energy efficiency software developers based in Türkiye at a glance

As of Sep 28, 2026

25.0%Verified-email coverage

10.3Average contacts per company

1-10Median size (employees)

21.5%Largest-city concentration · Istanbul

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

165

11-50

105

51-200

201-500

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 293 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 industrial energy efficiency software developers, 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 “industrial energy efficiency software developers”. 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 industrial energy efficiency software developers), 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 industrial energy efficiency software developers, 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, 756 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 28, 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.

Industrial energy efficiency software developers by metro

Industrial energy efficiency software developers in Istanbul63

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 industrial energy efficiency software developers, 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 industrial energy efficiency software developers are there based in Türkiye?

RevenueBase identified 293 industrial energy efficiency software developers 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 industrial energy efficiency software developers?

Istanbul leads with 63 headquartered companies, followed by Ankara (38) and Izmir (16).

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 756 verified decision-maker contacts tracked across these 293 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 28, 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.