Tnt vacations for Buying services (i.e., intermediaries which serve a specific clientele) such as the employees or members of an organization. Retail organizations are associations of retailers (such as voluntary purchasing chains, retailer cooperatives, or franchises) set up to let individual and often smaller retailers benefit from economies of scale in purchasing and administration). They conduct business on organizational (business-to-business) markets. By legal types, one may distinguish fully owned stores (with ownership of real estate and buildings or only ownership of equipment and inventory) from franchises. Single stores are distinguished from proprietary chains. Tnt vacations 2016.