Borusan Group is a conglomerate founded in 1944 and operating in the steel, distribution, logistics and energy sectors with $4.3 billion annual turnover. It has partnerships with ArcelorMittal, Mannesmann, EnBW, Manheim and representations of BMW, Land Rover, Caterpillar and Eaton. It is also known for its activities in arts and culture. It owns and operates an internationally acknowledged philharmonic orchestra and has the most prominent contemporary art collection in Turkey.