We present a supply-chain management system that supports transportation of cargo containers and monitors the quality of control during transport. Our system primarily focuses on the non-trivial challenges related to the interoperability between supply chain actors and their respective WSNs. It was developed by combining an end-to-end WSN middleware with an agent-based communication platform. The overall goal of the system is to offer different actors in the supply chain an easy way of handling services and continuous monitoring traces of containers along their path. Categories and Subject Descriptors H.4.m [Information Systems]: Applications—Miscellaneous; C.2.4 [Computer systems Organizations]: Computer Communications Network—Distributed Systems Keywords Wireless sensor networks, multi-agent systems, logistics