GRACE-FO is a partnership between NASA and the German Research Center for Geosciences (GFZ). NASA's Jet Propulsion Laboratory in Pasadena, California, manages the mission for NASA's Science Mission Directorate, with participation from the Earth Systematic Missions Program Office at Goddard Space Flight Center (GSFC).
NASA's GRACE site
GRACE information. Time-averaged spherical harmonic field
GRACE monthly spherical harmonics from CSR, GFZ and JPL. GRACE Documentation