There are many different strategies to conduct specific businesses, hop over to here but many businesses are classified by industry. Some businesses will be small and focused on a single sector, while others are large corporations that period several industrial sectors. A great sort of this would be the retail giant Walmart or Apple. Businesses define their businesses by industry, which includes mattress production, advertising, and real estate. Web based defined the chosen type of trades they complete. ExxonMobil conducts business by giving oil to the customers.