Businesses can be broadly classified into two different categories: B2B and B2C. B2B implies Business to Business ans B2C implies Business to Customers. B2B sells products in bulk to other business so that they can resell those products. B2C sells products directly to the customers. B2C business acquire products from B2B companies so that they can resell those products to the customers. B2B business can be a manufacturer or supplier, or a wholeseller. Whereas B2C businesses are mostly retailer.