 These account for 91.8% of the total income of the city's economy.Small businesses generate 22% of the total income; 14.4% is attributed to medium enterprises and the rest to large companies.The economy of the Zagreb County, largely contiguous with Zagreb's metropolitan area, is dominated by wholesale and retail trade (53.5% of total income) and the processing industry (25.7%), followed by transport (6.1%) and civil engineering (5.3%).