This document discusses e-procurement at IBM and Siemens. It begins by defining e-procurement as using the internet and new technologies to facilitate strategic procurement activities by connecting buyers and suppliers. It then discusses how e-procurement provides tools for improved analysis and linkages across the supply chain. The document also summarizes various e-procurement strategies used at IBM and Siemens like online purchasing systems, e-sourcing, e-tendering, and procurement marketplaces. It concludes by noting some potential cons of e-procurement.