If the Federal Agency or Department that you're looking for isn't found here, it's because the Government doesn't want you to know about it !
http://www.infoctr.edu/fwl/

• Argonne National Laboratory
  
  http://www.anl.gov/
• Army Research Laboratory
  
  http://info.arl.army.mil/
• Brookhaven National Laboratory
  
  http://www.bnl.gov/bnl.html
• Construction Engineering Research Laboratories
  
  http://www.cecer.army.mil/
• Defense Advanced Research Projects Agency (DARPA)
  
  http://www.arpa.mil/
• High Energy Physics Information Center
  
  http://www.hep.net/
• Idaho National Engineering Laboratory
  
  http://www.inel.gov/
• Jackson Laboratory
  
  http://www.jax.org/
• Lawrence Berkeley National Laboratory
  
  http://www.lbl.gov/
• Lawrence Livermore National Laboratory
  
  http://www.llnl.gov/
• Los Alamos National Laboratory
  
  http://www.lanl.gov/
• Jet Propulsion Laboratory
  
  http://www.jpl.nasa.gov/
  
  • Mars Pathfinder Mission
    
    http://mpfwww.jpl.nasa.gov/
• Langley Research Center
  
  http://mosaic.larc.nasa.gov/ltrs/ltrs.html
• National Center for Atmospheric Research
  
  http://www.ucar.edu/
• National Center for Bio-technology Information
  
  http://www.ncbi.nlm.nih.gov/
• National Energy Research Supercomputer Center
  
  http://www.nersc.gov/
• National Renewable Energy Laboratory
  
  http://info.nrel.gov/
• Naval Observatory
  
  http://www.usmc.mil/
• Naval Research Laboratory
  
  http://www.nrl.navy.mil/
• Oak Ridge National Laboratory
  
  http://www.ornl.gov/
  
  • Center for Computational Sciences
    
    http://www.ccs.ornl.gov/
• Pacific Northwest National Laboratory
  
  http://www.pnl.gov/
• Princeton Plasma Physics Laboratory
  
  http://www.pppl.gov/
• Redstone Technology Testing Center (RTTC)
  
  http://www.atc.army.mil/~rttc/
• Sandia National Laboratories
  
  http://www.sandia.gov/
• Woods Hole Field Center
  
  http://woodshole.er.usgs.gov/

    See also :

• The White House
  
• U.S. Congress
  
• U.S. Federal Agencies
  
• U.S. Federal Departments
  
• U.S. Military