Primary, secondary and tertiary sector businesses

Primary Sector: The sector of the economy that produces unrefined raw materials (e.g. through mining).Examples: Coal mining, Fishing, Crop farming, Dairy farming,
Oil exploration

Secondary Sector: The sector of the economy that takes raw materials and turns them into finished or part-finished goods (e.g. through manufacturing). Examples: Manufacture of processed foods, Car production, Manufacture of computers, Chemical processing, Confectionery production

Tertiary Sector: The sector of the economy where businesses provide services, either to individuals, households or other businesses