Companies involved in the development of the wireless profile include: America Online, DDI, Ericsson, Espial Group, Inc., Fujitsu, Hitachi, J-Phone Tokyo Co., Matsushita (Panasonic), Mitsubishi, Motorola, NEC, Nokia, NTT DoCoMo, Palm Computing,
Research In Motion (RIM), Samsung, Sharp Labs, Siemens, Sony, Sun Microsystems, Symbian and Telecordia.