The inventory of finished product in companies is a determining factor in good financial practices, contributes to a decrease in costs and guarantees deliveries with customers, in this work, the ABC and Holt Winters technique was applied based on forecasts in a company in the eastern region of the state of Mexico that manufactures plastic items (kitchen utensils). with the aim of optimizing your inventory system. This company has more than 100 items in its production catalog, which sometimes inventory control is costly and problematic, since they do not schedule manufacturing periodically and systematically, generating a bad image with the customer at the time of delivery. In this context, the ABC inventory classification is widely used to automatically organize items into representative groups according to their contribution to sales. According to the data recorded in situ, the bestselling products were identified and as an additional contribution to the investigation, the Safety Inventory (SS) is obtained, which guarantees the fulfillment of customer orders in a timely manner. (SS) lo que garantiza el cumplimiento de los pedidos de los clientes de forma puntual.