- S1977-1978 #63: Anthropology (UC Berkeley)/Robert Fleming Heizer (1978–October 14, 1980)505 objects
- S1981-1982 #8: University of California, Davis/Richard E. Hughes (August 24, 1981–February 9, 1987)338 objects
- S1994-1995 #2: American Museum of Natural History/David Hurst Thomas (August 30, 1994–February 1, 1996)313 objects
- S1975-1976 #53: Anthropology (UC Berkeley)/Lee Spencer (February 4, 1976–February 5, 1976)113 objects
- S1965-1966 #17: Anthropology (UC Berkeley)/Robert Fleming Heizer (September 20, 1965–June 27, 1966)99 objects
- S1992-1993 #12: Far Western Anthropological Research Group, Inc./Paul Bouey (1992–June 22, 1994)92 objects
- S1960-1961 #1 [formerly I-60-B]: Nevada State Museum/Richard Shutler Jr. (October 31, 1960–August 15, 1963)91 objects
- S1958-1959 #7: University of California Archaeological Survey/Edward Putnam Lanning (October 31, 1958–June 27, 1961)68 objects
- S1990-1991 #22: Indiana University Museum of Archaeology and Anthropology /Noel Justice (January 1991–May 6, 1992)59 objects
- S1975-1976 #49: Department of Anthropology (UC Davis)/Richard E. Hughes (January 9, 1976–February 9, 1987)55 objects
- S1990-1991 #3: University of California, Riverside (August 14, 1990–November 20, 1992)41 objects
- S1971-1972 #120: Anthropology (UC Berkeley)/Robert Fleming Heizer (April 3, 1972–October 14, 1980)38 objects
- S1975-1976 #55: Anthropology (UC Berkeley)/Lee Spencer (February 5, 1976–February 6, 1976)35 objects
- S1991-1992 #16: University of Utah/James F. O'Connell (November 25, 1991–July 30, 1992)33 objects
- S1973-1974 #78: San Francisco State University/Tom Jackson (April 5, 1974–April 8, 1974)29 objects
- S2007-2008 #12: Anthropology (UC Berkeley)/Darren Modzelewski (June 3, 2008–June 20, 2025)29 objects
- S1973-1974 #80: San Francisco State University/Tom Jackson (April 8, 1974–April 10, 1974)25 objects
- S1972-1973 #77: Anthropology (UC Berkeley)/Thomas Roy Hester (April 6, 1973–July 4, 1973)24 objects
- S1975-1976 #96: Department of Anthropology (UC Davis)/Richard E. Hughes (June 10, 1976–November 25, 1986)19 objects
- S1958-1959 #8: University of California Archaeological Survey (November 17, 1958–October 22, 1959)15 objects