Panelsan Cati ve Cephe Sistemleri Sanayi ve Ticaret A.S. was established by young entrepreneurs with the awareness of importance in construction sector in Turkey in Ankara Polatli Organized Industrial Zone. Manufacturing plant is located on closed area of 18.000 m2 on the total area of 40.000 m2. Starting to manufacture Mineral Wool (Rockwool-Glasswool) and Expanded Polystyrene (EPS) insulated sandwich panel in 2004, Panelsan analyzed that the need for sandwich panel and EPS products as a result of awareness-increasing among constructional sector and investors about insulation in the changing and developing geography and commissioned manufacturing line of EPS insulation boards and injection packaging products in 2005.By 2010s, increased market share thanks to its provision of ‘reliability’ in the sector, RE-DE investments, importance given to institutionalization and total quality management and steps taken for branding keep Panelsan subject to decision-making process for new investments. By 2014, supporting its works and investments with Kaizen and 5S and creating high quality, safe, economic, esthetic and comfortable areas of living, Panelsan fed the reliability relation established with the customers and commissioned the line of Polyurethane (PUR) and Polyisocyanurate (PIR) insulated sandwich panel.Panelsan A.S. has become the first plant to have product and profile range which can respond to all the needs such as heat insulation, airimpermeability,hygiene, perspiration, reliability, safety, aesthetics,fire insulation and etc. in Turkey thanks to its of Polyurethane and Polyisocyanurate, Rockwool, Glasswool and Expanded Polystyrene insulated sandwich panels and EPS insulated products. It is atrademark preferred and used in about 20 countries in the Balkans, Middle East, Turkish Republics, Africa and Europe.