Through powerful information and communication technologies, inter-company cooperation is gaining increasing importance in corporate strategies. This book first introduces the fundamental methodological requirements and then extensively discusses the use of SAP systems to support cooperation in the logistics chain. The authors examine both classic logistics solutions (including EDI) and modern SAP systems such as SAP APO, SAP LES, SAP BBP, Business Information Warehouse, and Internet Applications. The book is complemented by case studies on the application of the presented SAP systems in corporate practice. It offers the reader an easily understandable yet profound insight into the topic.