About INA


For the purpose of keeping a leading position in the region, in accordance with requirements and expectations of owners/shareholders, customers, suppliers, employees, business partners, community and other interested parties, we strive to continuously improve business processes and quality of our products and services.

In pursuit of world trends, our business processes already had management system certificates in the mid-nineties of the last century, which we constantly maintain and expand in accordance with requirements. INA, d.d. and other INA Group companies possess following certificates:

INA, d.d.

INA, d.d. (on the Company level)

Exploration and Production

Rijeka Refinery

Location in Sisak

Central Testing Laboratory

Consumer Services & Retail

INA Group Companies


Crosco d.o.o.

STSI d.o.o.

INA-Vatrogasni servisi