• Özgün İnşaat, a leading company of KRK Holding, was established in 1993. The company operates in fields of tunneling, transportation, infrastructure, superstructure, mining, and energy. It has proved its reliability while meeting the expectations and the needs of the projects carried out with technological solutions within the scope of correct methods and international quality standards. Özgün İnşaat has achieved international success with its own financial strength, human resources wealth of machinery and equipment as far as its experience and know-how.

  • Soner Temel Mühendislik İnşaat ve Ticaret Anonim Şirketi (STM) is among the leading Tunneling and Infrastructure companies in Turkey. Since its establishment in 2000, STM has been producing creative solutions by following closely the developments in technology with its strong technical and application staff. As a result, it builts good relations in the sector. It creates added value for its brand with its high performance and quality applications. This situation differentiates STM from its competitors and brings it to the preferred position.                                         

  • KRK Holding entered the tourism sector by completing the first hotel construction at international standards in 2015 with brand of Hilton Garden Inn in Izmir, using its equity. KRK Holding, which opened the Hilton Garden Inn Izmir, Bayraklı hotel in third quarter of 2015, managed by Özgün Turizm, continued its international investments by incorporating the "360 Restaurant / Bar / Club" brand, completed in the third quarter of 2016, makes an important contribution to tourism in İzmir. KRK Holding will continue its tourism investment across Turkey and in the international arena.

  • OMEGA Enerji ve Yatırım A.Ş. was established as the first energy investment firm of KRK Holding, and started its operations in April 2007.OMEGA Enerji ve Yatırım A.Ş. has realized a Hydroelectric Power Plant of 7,32 MW licensed by EMRA (Energy Market Regulatory Authority), and photovoltaic power plant projects in three different locations.In Karatay district of Konya, 5.72 MWp was installed in November 2015 on 88,000 m2 section of a land with a total area of 730,000 m2 and capacity of 50 MW.Another photovoltaic power plant Project with 480 kWp capacity was realised in Selçuk district of İzmir.There is also a 10 kW rooftop photovoltaic power plant investment project in Çatalca district of İstanbul.Please visit our website  www.ziganaenerji.com to see our other energy investment projects.

  • ZİGANA Enerji ve Yatırım A.Ş. was established in 2015 as the latest investment company of KRK Holding.ZİGANA Enerji ve Yatırım A.Ş. has investments projects in 17 different locations, dispersed among Afyon, Kütahya, Uşak and Elazığ cities, which have a total installed power of 58,46 MWp.Please visit our website www.omegaenerji.com to see our other energy investment projects.