Variety of options for making a product or service Market entail the purchase from an external provider on transactions an individual one-by-one contractual basis ong-term entail the purchase from an external provider on a contracts contractual basis spanning over an extended period of time entail the close co-operation of two separate Alliances firms that join up in the production of a certain product or service. Parent entail the setting up of a distinct firm that subsidiary operates separately from yet under the auspices of, the parent company internal entails a process that is managed completely production internally, without any outsourcing to external providers.Variety of options for making a product or service. Market transactions Long-term contracts Alliances entail the purchase from an external provider on a contractual basis, spanning over an extended period of time. entail the close co-operation of two separate firms that join up in the production of a certain product or service. entail the purchase from an external provider on an individual one-by-one contractual basis. Parent/ subsidiary Internal production entail the setting up of a distinct firm that operates separately from, yet under the auspices of, the parent company. entails a process that is managed completely internally, without any outsourcing to external providers