- University Appropriation55,411 objects
- University of California Archaeological Survey36,518 objects
- Phoebe Apperson Hearst29,505 objects
- Viking Fund Incorporated27,129 objects
- Robert Fleming Heizer14,934 objects
- Edward Putnam Lanning14,878 objects
- Jeremiah B. Lillard14,163 objects
- Sacramento County Board of Education13,253 objects
- Harry Starr Riddell Jr.13,024 objects
- City and County of San Francisco, Waste Water Management Program12,755 objects
- Olline Riddell11,266 objects
- Isabel T. Kelly8,426 objects
- Adán Eduardo Treganza7,197 objects
- Design (UC Berkeley)7,001 objects
- Wenner-Gren Foundation for Anthropological Research6,949 objects
- Max Uhle5,825 objects
- University of California, Los Angeles5,750 objects
- Elmer J. Dawson5,471 objects
- Colin L. Busby5,183 objects
- Francis A. Riddell5,028 objects