Xo Connecticut, Inc.
Xo Corporation
Xo D.C., Inc.
Xo Delaware, Inc.
Xo Equipment, L.L.C.
Xo Flight, Inc.
Xo Florida, Inc.
Xo Georgia, Inc.
Xo Good Llc
Xo Hawaii, Inc.
Xo Idaho, Inc.
Xo Illinois, Inc.
Xo Indiana, Inc.
Xo Interactive, Inc.
Xo Intercity Holdings No. 1, Llc
Xo Intercity Holdings No. 1., Llc
Xo Kansas, Inc.
Xo Kentucky, Inc.
Xo Leasing of Utah, Llc
Xo Lmds Holdings No. 3, Llc
Xo Long Distance Services (Virginia), Llc
Xo Louisiana, Inc.
Xo Maine, Inc.
Xo Management Services Nevada, Inc.
Xo Management Services, Inc.
Xo Maryland, Llc
Xo Massachussets, Inc.
Xo Michigan, Inc.
Xo Mindshare, Llc
Xo Mindshare, Llc
Xo Minnesota, Llc
Xo Mississippi, Inc.
Xo Missouri, Inc.
Xo Network Services, Inc.
Xo New Hampshire, Inc.
Xo New Jersey, Inc.
Xo New Mexico, Inc.
Xo New York, Inc.
Xo North Carolina, Inc.
Xo Ohio, Inc.
Xo Opportunity, Inc.
Xo Oregon, Inc.
Xo Pennsylvania Merger Company Ii, Inc.
Xo Pennsylvania, Inc.
Xo Pro, Llc

Xo Rhode Island, Inc.
Xo Solutions, Inc.
Xo South Carolina, Inc.
Xo Technnology Services, Inc.
Xo Tennessee, Inc.
Xo Texas, Inc.
Xo Utah, Inc.
Xo Virginia, Llc
Xo Washington, Inc.
Xo West Virginia, Inc.
Xo Wisconsin, Inc.
Xo, Inc.
Xo-Xo Llc
Xoanan Industries, Llc
Xoasis Networks, Inc.
Xoc Enterprises, Inc.
Xochipilli Media Works
Xocolate Lab, Llc
Xocus Systems, L.L.C.
Xodoc Technologies, Llc
Xodus Llc
Xodus Solutions, Llc
Xoi, Llc
Xojet, Inc.
Xolara Llc
Xolide Media, Llc
Xolo Rescue Usa Aka Xrusa
Xolox Enterprises, Inc.
Xombo University
Xonej Productions Llc
Xoom Corporation
Xoom Media Llc
Xoovic, Inc.
Xopheria Development L.L.C.
Xopheria Equestrian Enterprises L.L.C.
Xopheria Investments Limited Partnership
Xoran Technologies, Inc.
Xorex, Llc
Xori Corporation
Xorm Function Architecture, Llc
Xorp, Inc.
Xosoft, Inc.
Xoucin Inc.
Xourel Llc
Xowii Wowii Team, Llc