The STPM (Société Tunisienne des Produits Minéraux) is a company founded on the 14th of October 2011 as part of a spin-off agreement signed with the Tunisian Ministry of Industry and the Tunisian Chemical Group with a capital of 2.4 million dinars. Its head office is located at 8 rue des Fleurs , Ariana supérieure 2080 and its operating site (quarry) is located in the center of the Tunisian republic (Jbel El Kbar , Imada Mzara , Delegation Bir El Hfay , Governorate of Sidi Bouzid). Its main activity is the production of both the crushed and micronized Calcium Carbonate (CaCO3) .

Prior to its creation , the founders of the company have found the remarkable quality of the rock site and they have carried out scanning operations at national and international laboratories ( National Office of Mines, Gafsa Phosphate Company , the University of Sfax and the laboratory of a French company in Paris ) . All results stated that the rock of Jbel El Kbar has two main advantages: extreme purity and whiteness .