- S1964-1965 #70: Department of Anthropology (CSU Sacramento)/Sam Payen (March 12, 1965–May 1965)18 objects
- S1997-1998 #8: California State University, Chico/Nette Martinez (March 23, 1998–May 29, 2008)17 objects
- S1976-1977 #51: Department of Anthropology (UC Davis)/Richard E. Hughes (February 25, 1977–March 2, 1979)16 objects
- S1991-1992 #22: Far Western Anthropological Research Group, Inc./Paul Bouey (February 12, 1992–June 22, 1994)16 objects
- S2016-2017 #4: University of Utah/James F. O'Connell (January 23, 2017–June 30, 2018)15 objects
- S1995-1996 #10: University of Utah/Sarah George (December 5, 1995–February 1, 2000)14 objects
- S1973-1974 #107: City of Sacramento, Department of Parks and Community Services/James Allan Bennyhoff (June 11, 1974–August 11, 1975)13 objects
- S1961-1962 #98: University of California Archaeological Survey (September 15, 1960–March 23, 1962)12 objects
- S1974-1975 #53: University of California, Los Angeles/Jonathon E. Ericson (January 27, 1975–July 2, 1975)11 objects
- S1971-1972 #106: Department of Anthropology (UC Berkeley)/Robert Fleming Heizer (September 20, 1972–October 14, 1980)10 objects
- S1972-1973 #9: Department of Anthropology (UC Berkeley)/Robert Fleming Heizer (1973–December 1, 1977)10 objects
- S1981-1982 #64: Valerie Levulett (April 21, 1982–May 11, 1984)10 objects
- S1999-2000 #6: Rumsey Indian Rancheria (December 6, 1999–September 7, 2004)10 objects
- S1970-1971 #4: Department of Geology and Geophysics (UC Berkeley)/Robert N. Jack (July 15, 1970–August 17, 1972)9 objects
- S1992-1993 #12: Far Western Anthropological Research Group, Inc./Paul Bouey (1992–June 22, 1994)9 objects
- S1979-1980 #43: University of California, Davis/Richard E. Hughes (December 19, 1979–February 9, 1987)8 objects
- S1991-1992 #28: Thomas N. Layton (April 13, 1992–April 21, 1992)8 objects
- S1973-1974 #110: City of Sacramento, Department of Parks and Community Services/James Allan Bennyhoff (June 14, 1974–June 17, 1974)7 objects
- S1974-1975 #48: Lawrence Hall of Science (January 17, 1975–October 9, 1975)7 objects
- S1991-1992 #30: Indiana University Museum of Archaeology and Anthropology /Noel Justice (May 19, 1992–July 3, 1996)7 objects