- University of California Archaeological Survey24,754 objects
- University Appropriation23,726 objects
- City and County of San Francisco, Waste Water Management Program11,774 objects
- Harry Starr Riddell Jr.11,470 objects
- Olline Riddell10,915 objects
- Phoebe Apperson Hearst10,400 objects
- Robert Fleming Heizer8,204 objects
- Design (UC Berkeley)4,927 objects
- Colin L. Busby3,741 objects
- Katharine D. Jenkins3,728 objects
- Edgar C. Altermatt3,727 objects
- Mrs. Edgar C. Altermatt3,727 objects
- Estate of G. Eleanore Murray3,275 objects
- Estate of Theos C. Bernard3,275 objects
- Michael J. Harner3,246 objects
- University of California Library3,035 objects
- Doe Library (UC Berkeley)2,979 objects
- Rolland Mudge2,892 objects
- Francis A. Riddell2,705 objects
- Grace Blair DePue2,288 objects