- S1969-1970 #119: University of California, Davis/Jerald Jay Johnson (April 24, 1970–November 8, 1971)21 objects
- S1991-1992 #22: Far Western Anthropological Research Group, Inc./Paul Bouey (February 12, 1992–June 22, 1994)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
- S1979-1980 #27: California State University, East Bay/Colin L. Busby (1979–unknown)11 objects
- S2007-2008 #12: Department of Anthropology (UC Berkeley)/Darren Modzelewski (dates unknown)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 #90: Department of Anthropology (UC Berkeley)/Christopher R. Corson (April 15, 1975–August 18, 1975)7 objects
- S2008-2009 #13b: Department of Anthropology (UC Berkeley)/Darren Modzelewski (June 11, 2009–June 23, 2010)5 objects
- S1973-1974 #108: City of Sacramento, Department of Parks and Community Services (June 11, 1974–June 28, 1974)4 objects
- S1974-1975 #73: University of California, Davis/Peter Schulz (March 7, 1975–July 31, 1976)4 objects
- S1974-1975 #63: Department of Anthropology (UC Davis) (February 10, 1975–June 5, 1975)2 objects
- S1962-1963 #19: Montecito Elementary School/Maxine Rockwell (October 23, 1962–October 25, 1962)1 objects
- S2019-2020 #4: Kent Lightfoot/Richard E. Hughes (September 3, 2019–February 24, 2021)1 objects