Distributors
Distributors buy product from manufacturer.Distributors frequently have a business relationship with manufactures that they represent.Wholesalers
Wholesalers generally buy a large quantity of products directly from distributors. High-volume purchase orders typically improve a wholesaler’s buying power.it have B2B relationship.Retailers
Retailers consist of small and large for-profit businesses that sell products directly to consumers.A retailer purchases goods or products in large quantities from manufacturers directly or through a wholesale, and then sells smaller quantities to the consumer for a profit.It have B2C relationship.Supplier
A supplier supplies a company with the resources it needs to do its business. If your company makes books, you would have a supplier for your paper, inks, cover material etc .Reseller
A reseller is a company or individual (merchant) that purchases goods or services with the intention of reselling them rather than consuming or using them.In simple terms a reseller is simply resells the good or services of another company.