The main difference between the final consumers and organizational consumers is that organizational consumers may include government, retailers, suppliers, manufacturers, wholesalers etc whereas final consumer include general public or targeted audience who buys or directly consume the company's product. Usually the success and linkages of organizational consumer is derived from final consumers. For example, a product demand by the final consumer might result in increase in demand from suppliers, manufacturers, raw material providers, supply chain and logistics function etc. Organizational consumers operate differently as compared to the final consumers in terms of buying, geographical location, operating cycle, communication and other aspects.
One would be totally end users which could be split into categories and other who directly contribute to growth of business.