Mahallat city is one of the important regions of the country in the industry of building stone. Many quarries and factories are active in this city. It produces 6% of Iran Travertine stones. Quarries and factories of Nikfar Group is one of the owners of quarries and technologies of natural and building stones that it exports to other countries. This Group is established in 1953 by late Mostafa Nikfar. Concurrent with the evolution of the stone industry, it began activities as contractor of Fabka Company in Sinva Chalous Mine managed by late engineer Khoei. It continued its mining activities in Gazanbar Khorheh Quarry, Abbasabad Travertine Quarry, Gavshan Quarry of Sanandaj in Kurdistan province, and Koloukh Meymeh Quarry in Esfahan province.