Xm Satellite Radio Inc.
Xo Communications Inc.
Xoliox Sa
Xolox Corporation
Xonics
Xovreli Robinzon I.
Xp Technology Ltd.
Xpand Inc.
Xped Holdings Pty Ltd
Xpedite Systems Llc
Xros Inc.
Xrt Limited
Xsirius Scientific Corporation
Xslent Energy Technologies Llc
Xstream Software Inc.
Xtend Networks Ltd.
Xtera Communications Inc.
Xtera Communications Ltd.
Xtranormal Technologie Inc.
Xtreme Energy Inc.