Wassink Bernardus W. J.
Weil Lothar
Weisman Effraim
Weiss Mortimer E.
Wen Zhifei
Westcot Ethan
Whitlock Robert R.
Wilke Dorothea
Wilsen Craig Bisset
Wilson Colin Richard
Wong D.
Wong Dong
X-Ray and Specialty Instruments, Inc.
X-Ray Technologies, Inc.
X-Technologies Inc.
X-Tek Systems Limited
Xoft MicroTube, Inc.
XRT Limited
Xu Liangfeng
Xu Ming-Wei P.