Company lists · Data refreshed October 2026

Top 25 Building frame manufacturers based in Türkiye

Name: Building frame manufacturers based in Türkiye
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 9, 2026 307 companies tracked

RevenueBase identified 307 company matches for building frame manufacturers associated with Türkiye as of October 2026 and tracks 2,410 professional contacts across them, including 238 with verified work emails. Istanbul is the largest hub.

This list covers company matches for building frame manufacturers associated with 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 October 9, 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 Oct 9, 2026 How this list was built

307Companies

2,410Contacts tracked

238Verified emails

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The 25 largest building frame manufacturers based in Türkiye

Ranked by team size

Top 25 of 307 company matches for building frame manufacturers based in Türkiye, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 9, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Yilgenci̇ TR	Exact match	Sakarya, TürkiyeHQ recorded Oct 9, 2026	201-500	127 contacts →
	Exact match “We specialise in steel trading and custom-welded fabrication of chassis, frames, and components for rail systems, trailers, construction equipment, and more.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
2	Gulermak Steel Construction Ind. & Trade Co. INC	Exact match	Izmir, TürkiyeHQ recorded Oct 9, 2026	501-1,000	91 contacts →
	Exact match “GULERMAK Steel Construction Ind.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
3	Albayrak Demir Çelik	Exact match	Samsun, TürkiyeHQ recorded Oct 9, 2026	201-500	60 contacts →
	Exact match “Albayrak Demir Çelik, 1980 yılında aile şirketi olarak kurulmuştur.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
4	Çelikerler Çelik Konstrüksiyon İnşaat San. Tic. Ltd. ŞTI	Exact match	Merkez, TürkiyeHQ recorded Oct 9, 2026	51-200	48 contacts →
	Exact match “Bartın Kumluca’da 1844 yılında sıcak demircilik ile iş hayatına başlayan Çelikerler, 2003 yılında şirketleşerek ÇELİKERLER LTD.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
5	Hakan SAC Metal A.Ş	Exact match	Ankara, TürkiyeHQ recorded Oct 9, 2026	51-200	47 contacts →
	Exact match “Hakan Sac Metal A.Ş nin ilk öyküsü 1970 yılında babamız HÜSEYİN BİLGİN ile Ankara Atasanayisi'nde Çelik Eşya imalatı olarak başlamıştır.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
6	Apec Steel Construction	Exact match	Istanbul, TürkiyeHQ recorded Oct 9, 2026	201-500	45 contacts →
	Exact match “APEC Smart Steel Structures is a group of companies operating in the field of engineering, manufacturing, construction and real estate development.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
7	Polarkon	Exact match	Çankaya, TürkiyeHQ recorded Oct 9, 2026	51-200	41 contacts →
	Exact match “Founded in 1995 and headquartered in Ankara, Turkey, with global offices in Düsseldorf, Germany, and Chicago, Illinois, POLARKON is a leading "design-build" engineering and steel…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
8	Pekintaş Construction	Exact match	Istanbul, TürkiyeHQ recorded Oct 9, 2026	501-1,000	31 contacts →
	Exact match “Pekintaş Pekin İnşaat A.Ş, inşaat sektöründe prefabrike ve öngerilmeli betonarme endüstriyel yapı elemanları sanayinde uzmanlaşmış bir firmadır.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
9	IS Yapi	Exact match	Izmir, TürkiyeHQ recorded Oct 9, 2026	51-200	30 contacts →
	Exact match “We are specialized in steel structures and fixing systems in all kinds of steel.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
10	Erki̇n Çeli̇k Konstrüksi̇yon	Exact match	Pelitli, TürkiyeHQ recorded Oct 9, 2026	51-200	29 contacts →
	Exact match “Erkin Çelik Konstrüksiyon, yapısal çelik imalatı ve montajında mühendislik disiplini, kalite anlayışı ve güçlü üretim altyapısıyla yurt içi ve yurt dışı projelere hizmet…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
11	Monosteel	Exact match	Sakarya, TürkiyeHQ recorded Oct 9, 2026	51-200	27 contacts →
	Exact match “Mono Steel is a Turkish manufacturing and construction company established in 2012.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
12	Saytekno Building Technologies Group	Exact match	Istanbul, TürkiyeHQ recorded Oct 9, 2026	11-50	19 contacts →
	Exact match “SAYTEKNO is a technological group founded in 1994 and working in the field of design, production and installation of architectural steel, freeform and art glass structures…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
13	Bentcam Glass Door System	Exact match	İzmi̇r, TürkiyeHQ recorded Oct 9, 2026	51-200	18 contacts →
	Exact match “Ticari soğutucular için çerçeve sistemleri üreticisi” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
14	RYS Rota Construction Metal Building Systems	Exact match	Ankara, TürkiyeHQ recorded Oct 9, 2026	201-500	17 contacts →
	Exact match “We, who have spent many years as managers in the aluminum sector of construction, especially in the field of external facade covering, have been continuing our activities since…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
15	HMD Energy And Metal	Exact match	Ankara, TürkiyeHQ recorded Oct 9, 2026	51-200	17 contacts →
	Exact match “2011 yılında kurulan HMD Çelik Konstrüksiyon Türkiye’nin önde gelen konstrüksiyon firmalarından biridir.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
16	Insteel Çelik VE Prefabrik Yapılar	Exact match	Kocaeli, TürkiyeHQ recorded Oct 9, 2026	51-200	17 contacts →
	Exact match “Insteel Çelik ve Prefabrik Yapılar leverages over 25 years of experience to deliver high-quality prefabricated buildings, containers and steel constructions for domestic and…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
17	Vermo Çelik	Exact match	İstanbul, TürkiyeHQ recorded Oct 9, 2026	11-50	12 contacts →
	Exact match “Vermo çelik, 15 yıllık asansör montaj tecrübesiyle girmiş olduğu çelik sektöründe kazanmış olduğu deneyimini asansör çeliği, yapı çeliği, dış cephe çeliği, merdiven, çatı vb.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
18	İsfac Çeli̇k Yapi	Exact match	İstanbul, TürkiyeHQ recorded Oct 9, 2026	11-50	8 contacts →
	Exact match “Sektöründe öncülüğü hedefleyen ISFAC çelik sistemleri kalitede dünya standartlarına uygun her türlü sanayi tesisleri, stadyum ve spor kompleksleri,fabrikalar, alışveriş…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
19	KÜNYE	Exact match	Şekerpınar, TürkiyeHQ recorded Oct 9, 2026	201-500	7 contacts →
	Exact match “Since 1986, the knowledge, experience and skill in the project, manufacturing and assembly processes of steel construction building systems, especially industrial facilities…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
20	Aşan Çelik Yapı	Exact match	Ankara, TürkiyeHQ recorded Oct 9, 2026	11-50	7 contacts →
	Exact match “Sanayi hayatına 2001 yılında ÇELİK YAPILAR ve VİNÇ imalatı ile başlayan AŞAN ÇELİK YAPI LTD.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
21	HCR Çeli̇k Maki̇na	Exact match	Bursa, TürkiyeHQ recorded Oct 9, 2026	11-50	5 contacts →
	Exact match “Her türlü çelik konstrüksiyon imalat ve montajları Taşıma kasaları, Platform, Merdiven imalat ve montajları, Endüstriyel tesislerin Yangın Tesisatı, Hava Tesisatı ve Su…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
22	Tursteel	Exact match	İzmir, TürkiyeHQ recorded Oct 9, 2026	11-50	4 contacts →
	Exact match “TURSTEEL Co.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
23	Skycon Steel	Exact match	Başakşehir, TürkiyeHQ recorded Oct 9, 2026	51-200	3 contacts →
	Exact match “Skycon Steel is a well-established company that has built the quality, modernity and reliability of its customers’ lives.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
24	Ustaoğlu Çelik	Exact match	Istanbul, TürkiyeHQ recorded Oct 9, 2026	11-50	2 contacts →
	Exact match “Çelik konstrüksiyon imalat ve montajı” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
25	MOPRE	Exact match	İstanbul, TürkiyeHQ recorded Oct 9, 2026	11-50	1 contacts →
	Exact match “MOPRE, sektörde 15 yılı aşkın süre boyunca proje, satış, üretim ve teslimat gibi tüm aşamalarda başarıyla yer almış profesyoneller tarafından İstanbul' da kurulmuştur.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “building frame manufacturers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 307 building frame manufacturers based in Türkiye

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Building frame manufacturers based in Türkiye at a glance

As of Oct 9, 2026

9.9%Verified-email coverage

7.9Average contacts per company

11-50Median size (employees)

12.7%Largest-city concentration · Istanbul

Oct 9, 2026Page data refreshed

Companies by employee count

1-10

11-50

125

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 307 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 Türkiye whose business descriptions match “building frame manufacturers” 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 238 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 October 9, 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.

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 “building frame manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many building frame manufacturers are there based in Türkiye?

RevenueBase identified 307 company matches for building frame manufacturers associated with Türkiye as of October 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?

Yilgenci̇ TR tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most building frame manufacturers?

Istanbul leads with 39 company records, followed by Ankara (33) and Kocaeli (21).

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 238 professional contacts with verified work emails tracked across these 307 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 October 9, 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.