GÜLMER was established in June 1998 and started the investment in Organized Industrial Region in BiLECiK, where is 90 kilometers to Gemlik port, 200-250 kilometers to ISTANBUL, which is an encouraged investment by the government. In June 1999 Gülmer had started production.
In the first couple of years Gülmer produced fine Calcium Carbonate, Barite, and Talk for the need of paint, paper, plastic, rubber, porcelain, pharmacy, and food industry.
In the following years Gülmer begin Dolomite and Gypsum production to serve better for its customers. In 2003 Gülmer became specialist in Talc production and gains of Turkish ultra fine white talc production.