Eight technology trade groups, including heavyweights such as Microsoft Corp., Verizon Communications Inc. and Motorola Inc., have formed an ad hoc council to promote the use of radio frequency identification technologies.

RFID tags embedded in office supplies, cargo containers or even weapons can help agencies and companies keep better track of their inventory, proponents say. The Department of Defense and Wal-Mart Stores Inc. have been touted as examples of users of the technology to help save costs in supply chains.