Pennsylvania Power & Light Company
Commonwealth Edison Company
GPU Nuclear Corporation
Public Service Electric & Gas Company
The Boston Edison Company
PECO Energy Company
FirstEnergy Nuclear Operating Company
Public Service Company of Colorado
BWX Technologies, Inc. ( Nuclear Equipment Division)
Curtiss-Wright Corporation (Target Rock Division)
Westinghouse Hanford Company
Babcock & Wilcox Hanford Company
Lockheed Martin Hanford Corporation
Los Alamos National Laboratory
Oak Ridge Institute of Science and Education
Select Energy, Inc.
Pfizer, Inc.