 The economy of the city of Zagreb represents the bulk of the economy of Croatia proper.Its most significant components are wholesale and retail trade, accounting for 38.1% of the city's economic income, followed by the processing industry, encompassing 20.3% of the economy of Zagreb.Further industries, by income share, are the energy industry—the supply of electric power, natural gas, steam, and air conditioning (7.8%); information and communications (7.2%); civil engineering (5.4%), professional technical and scientific services (4.6%); financial services (4.5%); and transport and storage services (3.9%).