- S2002-2003 #14: Pacific Legacy, Inc./Thomas L. Jackson (February 21, 2003–February 21, 2004)615 objects
- S1971-1972 #120: Anthropology (UC Berkeley)/Robert Fleming Heizer (April 3, 1972–October 14, 1980)526 objects
- S1994-1995 #2: American Museum of Natural History/David Hurst Thomas (August 30, 1994–February 1, 1996)257 objects
- S1977-1978 #63: Anthropology (UC Berkeley)/Robert Fleming Heizer (1978–October 14, 1980)181 objects
- S1960-1961 #1 [formerly I-60-B]: Nevada State Museum/Richard Shutler Jr. (October 31, 1960–August 15, 1963)164 objects
- S1991-1992 #29: United States Forest Service/James L. Boyton (May 21, 1992–August 2, 1995)128 objects
- S1974-1975 #44: California Department of Parks and Recreation/Anne Peak (January 17, 1975–December 18, 1975)125 objects
- S1971-1972 #17: University of California, Riverside/James F. O'Connell (August 20, 1971–1972)99 objects
- S1972-1973 #44: Anthropology (UC Berkeley)/Jean M. Pitzer (January 10, 1973–October 14, 1980)89 objects
- S1965-1966 #17: Anthropology (UC Berkeley)/Robert Fleming Heizer (September 20, 1965–June 27, 1966)54 objects
- S1969-1970 #135: Anthropology (UC Berkeley)/Robert Fleming Heizer (June 8, 1970–July 30, 1970)50 objects
- S1990-1991 #3: University of California, Riverside (August 14, 1990–November 20, 1992)42 objects
- S1958-1959 #7: University of California Archaeological Survey/Edward Putnam Lanning (October 31, 1958–June 27, 1961)39 objects
- S1970-1971 #99: Anthropology (UC Berkeley)/Alan D. Albee (March 17, 1971–October 16, 1974)35 objects
- S1972-1973 #52: Anthropology (UC Berkeley)/Jean M. Pitzer (January 22, 1973–October 14, 1980)31 objects
- S1973-1974 #35: Anthropology (UC Berkeley)/Richard L. Burger (November 9, 1973–May 4, 1978)26 objects
- S1980-1981 #14: Peter Banks (August 20, 1980–June 4, 1982)24 objects
- S2001-2002 #19: Integrative Biology (UC Berkeley)/Timothy D. White (April 10, 2002–June 2, 2023)21 objects
- S1981-1982 #8: University of California, Davis/Richard E. Hughes (August 24, 1981–February 9, 1987)20 objects
- S2004-2005 #3: Department of Anthropology (UC Davis)/Carol Smith (September 24, 2004–December 15, 2004)20 objects