Relier Pairs Economic sectors_2Version en ligne Economía par David Tordesillas 1 Retail 2 Social and support services 3 The tertiary sector 4 Entertainment and leisure services 5 Domestic trade 6 Consumer goods industries 7 The secondary sector 8 Trade 9 The service sector 10 International trade It is also called the tertiary sector Madrid, Bilbao y Barcelona. A trader buys and sells in the same country. Goods are bought and sold between businesses. Make final products Provide help for individuals or companies. Provides services to customers The direct sale of goods to an individual. A trader buys and sells in different countries. These services improve the quality of life.