The application of the lean manufacturing methodology in logistics operations is an approach that has been studied and defunded in recent years on production operations of the industries, but still not much explored in warehousing operations. The objective of this dissertation is to conduct an exploratory research to evaluate the application of Toyota s Production System lean concepts in a Distribution Centers Warehouse of a Wholesale company. The methodology used for the elaboration of this dissertation included a literature review on topics related to lean manufacturing, lean logistics, lean warehousing, warehousing operations and business process modeling, a data collection during the visits on Distribution Center, through interviews with employees involved in operations, direct observation and documents collection. The results of this dissertation are the warehouse As-Is processes mapping, identification of the best practices used in logistics operations related to lean concepts and identification of waste and improvement opportunities.