Automotive manufacturers traditionally work with a franchised-dealer distribution network where vehicles are sold for a margin. In contrast, IT vendors work with distributors holding a network of reseller partners who on-sell hardware and software as part of their service. They’re not franchises and do not have a commercial binding contract as such. Food & Health product manufacturers have a similar wholesale distribution model. They have a sales channel that reaches retailers who then use or retail the products.
On the other hand, suppliers to Trade customers follow various models.