Advanced Light Source (ALS)
Advanced Photon Source (APS)
High Flux Isoptope Reactor (HFIR)
Intense Pulsed Neutron Source (IPNS)
*Linac Coherent Light Source (LCLS)
Los Alamos Neutron Science Center
National Synchrotron Light Source (NSLS)
Spallation Neutron Source (SNS)
Stanford Synchrotron Radiation Lab (SSRL)

*under construction