This is a non-exhaustive list of Research Laboratories located in California where California APS is represented.

• Air Force Rsch Lab-Edwards
• IBM Almaden Res Ctr
• Jet Propulsion Lab
• Kavli Foundation
• Keck Grad Institute
• Lawrence Berkeley Natl Lab
• Lawrence Livermore Natl Lab
• NASA/Ames Res Ctr
• Naval Postgraduate School
• Naval Research Lab
• Naval Warfare Assessment Ctr
• SLAC - Menlo Park
• SSRL SLAC - Stanford
• Sandia Natl Labs
• Santa Cruz Inst for Part Phys
• US Dept of Agrilculture
• US Dept of Energy