 The largest were INA, Konzum (a part of Agrokor corporate group), Hrvatska elektroprivreda, and T-Hrvatski Telekom—all of them headquartered in Zagreb.Deloitte ranked these four among the top 500 Central European companies, along with a further nine Croatian companies, all of which are headquartered in the region.Deloitte ranks Agrokor as the largest business among Croatia's enterprises.