U.S. Nuclear Regulatory Commission
http://www.nrc.gov
Nuclear Energy Institute
http://www.nei.org
The American Nuclear Society
http://www.ans.org
U.S. Department of Energy
http://www.energy.gov
Nuclear Energy Agency
http://www.oecd-nea.org
U.S. Energy Information Administration
http://www.eia.doe.gov
World Nuclear Association
http://www.world-nuclear.org