An important feature of a functioning port system is that the processes involved depend on a large number of parties of different sizes, both public and private, which must be coordinated (interenterprise coordination) in order to the expectations and requirements of the customers By understanding this it is possible to realize the fundamental role that each of the stakeholders have in the logistics chain, not only for the exporters or importers, but also the role played by members of the port system(intracompany coordination) as they are an important factor in the activities and decisions involved in port processes Exporters and importers are the users or customers of the logistics system(a port and participate either directly or by an agent that represents them such as a freight forwarder. The return does not come from any port activities as such, unlike the other parties in the supply chain, but they use it as a means to fulfill their ultimate purpose, considering that their main objective is to transport their products in the shortest time with greater security and at the lowest possible price and thus, to obtain significant marketing their imported or exported goods.