# Yapı Merkezi

Yapı Merkezi Holding A.Ş. is a group company whose field of activity is primarily in the construction industry. It was founded in 1965 by Ersin Arioglu and Koksal Anadol in Istanbul. As the first and largest company of the Yapı Merkezi Group, Yapı Merkezi Construction and Industry has realized the design and construction of a wide variety of buildings, rail systems and heavy construction projects. Since 1980, the company has also realized contracts in countries such as Saudi Arabia, Algeria, Morocco, the United Arab Emirates, Sudan, Ethiopia, Tanzania and Slovenia.
The company, which takes the lead in the projects tendered with the "build-operate-transfer" model, has so far received 243 billion 909 million 543 thousand liras worth of public tenders.

## Activities

Through its specialized companies, Yapı Merkezi has realized national and international projects within the fields of transportation systems, rail systems, tunnels, bridges, viaducts, industrial and general service buildings, mass housing and city planning, water collection and supply systems, restoration, strengthening, and repair works.

## Group companies

Yapı Merkezi Prefabrication was established in 1978. It was the first company in its field to obtain the ISO 9001 Quality Assurance certificate in Turkey. In 1987, Yapı Merkezi founded Freysaş in partnership with Freyssinet International. Since then, Freysas has realized projects featuring advanced construction technologies such as cable stay systems, post-tensioning, heavy lifting and ground anchorage. Yapıkonut joined the group in 1994 and accomplished projects such as Çamkonaklar, Sokullu Estates, NP12 Estates, Sisli Plaza and the Arkeon Housing Complex. In 1995, qualified Education Institutions Inc. was founded and Irmak Schools, Education Institution was opened. In 1996, the group introduced SUBOR Pipe Industry Inc. to manufacture high-end technology composite construction materials.

## Experience in rail systems

Yapıray joined the group in 1995 to take advantage of the group company’s experience in the rail systems field, considering the increasing demand for urban and intercity railway transport. Yapıray provides design, development and operation services for railway systems.
Today, most of Istanbul’s operating rail systems have been constructed by Yapı Merkezi. Dubai Metro, Ankara-Konya High-Speed Railway, Casablanca Tramway, Algeria Bir Touta-Zeralda Railway, Medinah High-Speed Train Station, Izmir Metro, Eskisehir Tramway, Kayseri Tramway, Taksim-Kabatas Funicular System and Antalya Tramway are other examples of Yapı Merkezi’s turn-key projects.
The 2004 UITP (International Association for Public Transport) “Light Rail Project of the Year” award was given to Estram (Eskisehir LRTS), UITP “2010 Best Urban Integration Project of the Year” and British Light Transit Association’s “Worldwide Project of the Year” awards were given Kayseray (Kayseri Light Rail System). Both tramway systems were constructed by Yapı Merkezi as a turnkey project.
In 2012, Yapı Merkezi Holding established Yapı Merkezi IDIS Engineering as its technology company and developed a signaling system which is certified as SIL 4 with its safety culture in railway. Yapı Merkezi IDIS works on railway signaling and telecommunications systems. Additionally, the company provides engineering services for electromechanical systems on railways, land routes and tunnels. IDIS works as a design, applications and systems supplier. R&D in transportation technology, signaling and structural health monitoring are also part of the group's services.

## Main works
### Buildings

* Marmara Forum Shopping Center
* Sişli Plaza
* Ankamall Shopping Center
* 212 Shopping Center
* Sudan Wahat Al Khartoum Shopping Center
* Yedpa Trade Center
* Novartis Pharmaceuticals Plant
* Roche Pharmaceuticals Plant
* Frito-Lay Factory
* Denso Factory
* Işık University Campus
* Arkeon Houses
* Tuscan Valley Houses
* Sokullu Houses
* Club Aquamarine Holliday Village
* Four Seasons at the Bosphorus Hotel

### Transportation systems

* Eurasia Tunnel
* Dubai Metro
* Ankara-Konya high-speed railway
* İzmir Metro
* Kabataş-Taksim Funicular
* Kadıköy-Kartal Metro System
* Kayseri Tramway
* Eskisehir Tramway
* Bursa Light Rail System
* Casablanca tramway
* Istanbul Metro
* Istanbul nostalgic tram
* Antalya Tramway
* Istanbul modern tram
* Sétif Tramway
* Tanzania Standard Gauge Railway
** Dar es Salaam - Morogoro
** Morogoro - Makutupora
* Uganda Standard Gauge Railway
** Malaba - Kampala
* Awash-Weldia Railway
* Divaca-Koper high-speed railway.

### Bridges

* El Mek Nimr Bridge
* Al Halfaia Bridge
* Sogutlucesme and Merter Railway Bridges

### Restorations

* Galata Tower restoration
* Restoration of the Historical Turkish Bastion, Algeria
* Mostar Bridge restoration, Bosnia Herzegovina
* Ottoman Imperial Mint Complex restoration
* Theron Damon Mansions restoration
* Adile Sultan Palace restoration
* Restoration of Turkish tombs, Sudan