Three of Eren Holding’s companies ranked among Turkey's largest companies in the Istanbul Chamber of Industry's 2015 "Turkey's Top 500 Industrial Enterprises" survey. Eren Enerji, ranked 58th on the list to retain its place as "the largest independent electricity producer in the private sector" in 2015, a position it has held since 2012. Modern Karton maintained its leading position in the paper and paper products manufacturing sector, ranking 118th, while Modern Oluklu Mukavva Ambalaj rose 24 places to 185th.