Onat Gyps, founded in 2008 to operate in the sector of construction materials, started its investments with the objective of being the leading firm in Turkish plaster sector and penetrated into the market in September, 2011. Onat Plaster production plants, which are under the management of Onpo Mining Construction Industry and Trade Inc. based on 100% domestic capital, an affiliate company of Ali Rýza Onat Inc., are located on the 20th km of Ankara–Bala main road.