U	V
Unistrut Construction United Medical Technologies Universal Hospital Services Universal Medical Services Universal Medical Resources, Inc. Universal Practice - site no longer available Universal Shielding U.S. Plastics Utility Systems Technologies	Varian Medical Systems Vidar Medical Imaging V.I.S. Imaging Visiplex Medical Vital Images, Inc.
W	X
Walla Walla General Hospital WDC Technologies, Inc. Weller Construction White Mountain Imaging WireMold Wuestec - site no longer available	X-Ray Marketing Associates X-Ray Medical Electronics, inc.  XMS Corporation
Y	Z