5.2 Different kinds of companies 12 a In this section various aspects of 9 3 describing companies and 765 referring to their activities are covered It deals with types of business and occupational structure in various sectors of industry and product groups5.2 Different kinds of companies ◼ In this section various aspects of describing companies and referring to their activities are covered. ◼ It deals with types of business and occupational structure in various sectors of industry and product groups