There are many different approaches to conduct person businesses, but most businesses are grouped by industry. Some businesses will be small and centered on a single industry, while others are large corporations that duration several industries. A great sort of this would be the retail giant Walmart or Apple. Businesses define all their businesses simply by industry, including mattress production, advertising, and real estate. Businesses are defined the chosen type of orders they complete. ExxonMobil performs business by giving oil to it is customers.