Company lists · Data refreshed September 2026
Top 25 Stream energy system providers based in Türkiye
RevenueBase identified 389 stream energy system providers headquartered in Türkiye as of September 2026 and tracks 6,723 professional contacts across them, including 1,384 with verified work emails. Istanbul is the largest hub.
This list covers stream energy system providers 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 18, 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.
The 25 largest stream energy system providers based in Türkiye
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,542 contacts → | ||||
Partial evidence “Founded in 1998, Çalık Enerji is a leading international energy company with a strong track record in delivering integrated, turn-key contracting projects across Europe, Central…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 2 | 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 18, 2026Thanks. The Data Team will review it. | |||||
| 3 | 172 contacts → | ||||
Partial evidence “Founded in with sustainability at its core, Polat Enerji is one of Türkiye’s leading energy companies.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 4 | 166 contacts → | ||||
Partial evidence “2010 yılında enerji üretimi yolculuğuna başlayan, 7 şehirde faaliyet gösteren 8 lisanslı üretim tesisiyle toplam 208,30 MWe kurulu güce sahip olan, portföyünün 158,30 MWe’si…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 5 | 157 contacts → | ||||
Indirect evidence “EKOS is a leading technology and service provider company, based in Turkey, for the electrical infrastructure of power producers, network operators, as well as industrial and…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 6 | 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 18, 2026Thanks. The Data Team will review it. | |||||
| 7 | 143 contacts → | ||||
Indirect evidence “İltekno, as one of the five subsidiaries of Enso Holding, prioritizes customer satisfaction while providing engineering, design, procurement, installation, commissioning, and…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 8 | 75 contacts → | ||||
Partial evidence “Naturel Enerji; Borsa İstanbul’daki, yatırımlarının tamamı güneş santrali olan ilk ve tek güneş enerjisi şirketidir.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 9 | 41 contacts → | ||||
Partial evidence “Faali̇yet alani; enerji̇ naki̇l ve i̇leti̇m hatlari, trafo merkezleri̇, scada si̇stemleri̇, anten di̇rekleri̇,aydinlatma di̇rekleri̇ni̇n mühendi̇sli̇k ve montaj i̇şleri̇, anahtar…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 10 | 37 contacts → | ||||
Strong evidence “Established in Form Elektrik is a leading engineering company specializing in high-end solutions for Power & Energy Systems.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 11 | 34 contacts → | ||||
Indirect 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 18, 2026Thanks. The Data Team will review it. | |||||
| 12 | 19 contacts → | ||||
Indirect evidence “Photovoltaic power plants design, engineering, installation (EPC) and maintenance services.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 13 | 19 contacts → | ||||
Strong evidence “Energy storage systems (ESS) and photovoltaic inverter (PV inverter) solutions.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 14 | 19 contacts → | ||||
Partial evidence “Yenilenebilir enerji sektöründe danışmanlık, projelendirme, mühendislik süreçleri, anahtar teslim kurulum ve bakım işlemleri konularında faaliyet gösteren ulusal ve uluslararası…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 15 | 19 contacts → | ||||
Partial evidence “SunRoof Enerji, yenilenebilir enerji ve enerji verimliliği alanlarında kurucularının uzun yıllardır sahip olduğu deneyimini yenilikçi bir yaklaşımla genişletilerek, enerji…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 16 | 18 contacts → | ||||
Indirect evidence “EKA Sistem Mühendislik ve Taahhüt A.Ş.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 17 | 18 contacts → | ||||
Partial evidence “Müşterilerimizin ihtiyaçlarına uygun enerji depolama çözümleri sunmaktayız.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 18 | 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 18, 2026Thanks. The Data Team will review it. | |||||
| 19 | 16 contacts → | ||||
Partial evidence “MENTEK MÜHENDİSLİK VE ENERJİ DEPOLAMA SİSTEMLERİ TEKNOLOJİLERİ A.Ş.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 20 | 16 contacts → | ||||
Partial evidence “REST Enerji olarak kökleri güçlü genç bir şirketiz.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 21 | 15 contacts → | ||||
Partial evidence “Inovat Energy Storage Solutions is focused on offering EPC and/or Production only services for energy storage projects scaling from 100kWh to 100MWh.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 22 | 14 contacts → | ||||
Partial evidence “KVK ELEKTRİK ENERJİ A.Ş.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 23 | 13 contacts → | ||||
Partial evidence “GoodWe, PV inverterleri ve enerji depolama çözümlerinin üretimini sağlayan dünya lideri bir kuruluştur.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 24 | 11 contacts → | ||||
Indirect evidence “prota@protaelektrik.com.tr” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 25 | 10 contacts → | ||||
Partial evidence “ROK is a multi-disciplinary engineering company providing services to the power and energy industries in Turkey and around the world.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
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: stream energy system providers. 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 stream energy system providers.
- Partial evidence
- Its own public description names part of stream energy system providers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name stream energy system providers. 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 389 stream energy system providers based in Türkiye
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Stream energy system providers based in Türkiye at a glance
As of Sep 18, 2026Companies by employee count
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 389 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 stream energy system providers, 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 “stream energy system providers”. 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 stream energy system providers), 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 stream energy system providers, 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, 1,384 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 18, 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.
Stream energy system providers by metro
- Stream energy system providers in Istanbul55
- Stream energy system providers in Ankara49
- Stream energy system providers in Izmir26
- Stream energy system providers in Cankaya25
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 stream energy system providers, 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 stream energy system providers are there based in Türkiye?
RevenueBase identified 389 stream energy system providers 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?
Çalık Enerji, headquartered in Istanbul, tops this list with the largest team on record.
Which city has the most stream energy system providers?
Istanbul leads with 55 headquartered companies, followed by Ankara (49) and Izmir (26).
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 1,384 verified decision-maker contacts tracked across these 389 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 18, 2026.
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Browse the directory
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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.
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