Koch industries is one of the largest non listed companies in the world. Founded by Charles Kirk and David Kirk brothers, Koch industries is mainly engaged in crude oil exploitation, oil refining, pipeline transportation and other businesses. It is the world's largest road asphalt production and supplier. Koch industries owns Georgia Pacific and Molex (Molex) and others entered the paper, electronics and other industries. In 2014, Coriolis brothers ranked sixth in the Forbes Global billionaire list with assets of US $40 billion.
besoo