What is XXX's parent company?
IUPAC/IUPAP Joint Working Party
The IUPAC/IUPAP Joint Working Party is a group convened periodically by the International Union of Pure and Applied Chemistry (IUPAC) and the International Union of Pure and Applied Physics (IUPAP) to consider claims for discovery and naming of new chemical elements.
International Union of Pure and Applied Chemistry International Union of Pure and Applied Physics