Since 1945 Mark Climate Technology supplies climate solutions in large buildings. In those past years we have developed ourse ... lves to become market leader in the Netherlands and abroad. Meanwhile, we also offer our international customers unparalleled quality in climate solutions. National or international, Mark leads the way. The Mark Holding consists of six companies: six sales and service establishments in the Netherlands, Germany, Belgium, Ireland, Poland and Romania and two production companies: one in the Netherlands and one in Ireland. read more