Xanthon, Inc.
Xanthopoulos Kleanthis
Xanthopoulos Kleanthis G.
Xaus Pei Jordi
Xavier K. Asish
XCELLEREX, Inc.
XCYTE Therapies, Inc.
XDx, Inc.
Xechem International, Inc.
Xenerex Biosciences
Xenometrix, Inc.
Xenomics, Inc.
Xenon Genetics Inc.
Xenopore Corporation
XenoPort
Xenotech Incorporated
Xenotope Diagnostics, Inc.
Xention Discovery Limited
Xero Port, Inc.
Xgene Corporation