Ferrous metallurgy and aluminium products, lead and zinc smelting electronics including military electronics, trucks, electric power equipment, wood products, textiles, chemicals, machine tools.
Slovenia was inhabited by the Celts and Illyrians whose population was well developed in the ancient times. This is now bolstered by the discovery of Illyrian friezes near Ljubljana, the countrys capital, which depict ritual sacrifices, feasts, battles, sporting events, and other activities'
The first century saw the establishment of the Roman Empire on the region following 200 years of fighting with the local tribes. This is evidenced by the establishment of the Roman cities of Celle, Ljubljana, Vhrnika and Ptug. In year 595, after the first and second Slavic settlement, the Slavic Avar army gained control of the territory, thereby consolidating the boundary between Frankish and Avar territories.