Related companies KUMAL S d.o.o. 10000 Zagreb, Ilica 251Telefon +385 (0)95 442 0650www.kumal.hrinfo@kumal.hrCompany for the production of insulating materials and thermal insulation panels KAMEN SIRAČ d.o.o. 10000 Zagreb, Ilica 251Telefon +385 (0)95 442 0600 www.kamen-sirac.hrinfo@kamen-sirac.hrCompany for production and trade in construction materials KAMENOLOM MEĐURAČE d.o.o. 44250 Petrinja, Međurače 38Telefon +385 (0)95 442 0600info@kamen-sirac.hrDruštvo za proizvodnju i usluge