At present PNPI participates in more than twenty international projects almost in all fields of its activity in the collaboration with the famous research centers of Europe and America:

• European Center of Nuclear Research (CERN, Switzerland)
• Fermi National Laboratory (FNAL, USA)
• Brookhaven National Laboratory (BNL, USA)
• Laue-Langevin Institute (ILL, France)
• National Institute of Standards and Technologies (USA)
• Nuclear Research Center (Saclay, France)

• Research Center DESY(Hamburg, Germany)
• Paul Scherrer Institute (PSI, Switzerland)
• Gesellschaft fuer Schwerionenforschung (GSI, Germany)
• Hahn-Meitner Institute (HMI, Germany)
• Rutherford Laboratory (Great Britain)
• Leon Brillouin Laboratory (LLB, France)
• Forschungszentrum Jülich (Germany)
• GKSS Research Centre in Geesthacht Germany (Germany)
• University of Jyvaskyla (Finland) et al.