Subsidiary Çalık Enerji was included in ENR's annual list of top 250 international contractors. The company turned its 20-year business relationship with the Mitsubishi Corporation into a partnership in 2015, when Mitsubishi acquired 4.5 percent of Çalik Enerji.[2] Çalık Holding employs over 28,000 people in 17 countries, and its assets are valued at US$7.6 billion.