U.S. Utilities
 · Arizona Public Service Co.
 · Baltimore Gas & Electric
 · Carolina Power & Light
 · Consolidated Edison Co.
 · Consumers Energy
 · Detroit Edison
 · Dominion
 · Duke Energy
 · Energy Northwest
 · Entergy Nuclear
 · Exelon Corporation
 · First Energy
 · Houston Lighting & Power Co.
 · Nebraska Public Power District (Cooper)
 · Niagara Mohawk Power Corp.
 · Northeast Utilities
 · Northern States Power Co.
 · Pacific Gas & Electric Co.
 · PPL
 · PSEG Nuclear
 · Rochester Gas & Electric Corp.
 · Southern Carolina & Gas Co.
 · Southern Co.
 · Tennessee Valley Authority
 · Wisconsin Energy Corp.
 · Wisconsin Public Service Corp.

Non-U.S. Utilities
 · British Energy (U.K.)
 · EdF (France)
 · ESKOM (South Africa)
 · Fortum (Finland)
 · Ignalina Nuclear Power Plant (Lithuania)
 · Kansai Electric Power Co., Inc., (Japan)
 · Nuclear Power Corporation of India, Ltd.
 · Shikoku Electric Power Co., Inc. (Japan)

Companies
 · AREVA NP
 · COGEMA (France)
 · COGEMA LOGISTICS (France)
 · General Atomics
 · GE Nuclear Energy
 · USEC
 · Westinghouse Electric Co.