Milestones

Experience of Mehmet Kalyoncu, who has been engaged in the construction business since 1940, comprises the foundations of Kalyon Holding included among the most prestigious and reliable institutions of Turkey today.
1944
The late Mehmet Kalyoncu went into contracting, kicking off Kalyon Holding’s success story.
1974
Kalyon İnşaat was established.
1989
Kalpen PVC Window Systems started its operations.
1998

Turkey's first energy import was made from Georgia.

Erdem College was opened.
2000
Ordu Hydroelectric Power Plant was commissioned.
2006
Turkey’s first Metrobus project was completed.
2007
Ataköy Wastewater Treatment Plant was commissioned as Europe's largest advanced biological wastewater treatment plant.
2008
Hasan Kalyoncu University was established.
2011
Finanskent was completed.
2012
The world's first underwater water supply network project was started in the TRNC.
2013
Foundations were laid for the Istanbul Airport.
2014
Başakşehir Stadium was opened.
2015
The world's first underwater water supply network was completed in the TRNC.
2016
The contract for the North Marmara Highway project was signed.
2017

Foundations were laid for the Renewable Energy Resource Area (RERA), Turkey's first wind turbine factory

Construction was started for Turkey's largest integrated solar PV panel factory.
2018

Istanbul Airport was opened as the world's largest airport under one roof.

Kartal Dr. Lütfi Kırdar City Hospital was opened.

The TANAP project was started for the transmission of natural gas from Azerbaijan to Turkey and Europe.
2020

Kalyon Kültür was established.

Kalyon Karapınar Solar Power Plant was commissioned.

Kalyon PV Solar Technologies Factory was commissioned as the first and only one in the world to combine all stages of production under one roof.
2021

Kalyon Holding moved to Nevofis.

Kalyon Foundation was established.

Phase 1 of the Kalyon Karapınar Solar Power Plant was completed and a groundbreaking ceremony was held for the SCADA Building.

Railway and highway projects were started to connect Nakhchivan and Turkey through Azerbaijan and Armenia.

Bursa-Bandırma high standard railway project was started.

New investment company Kalyon VC was established.
2022

Assos and Troya tunnels were opened on the Çanakkale – Ezine - Ayvacık - Küçükkuyu road.

Gaziray was opened.