Suppliers such as IBM and Sun Microsystems can provide testing centers where enterprises can learn about RFID. Also, some suppliers such as Hewlett-Packard are working directly with Wal-Mart Stores Inc. so their products comply with Wal-Mart's mandate to use RFID. Furthermore, systems integrators such as BearingPoint, Deloitte Touche Tohmatsu, and IBM will guide clients through meeting mandates an