- S1958-1959 #8: University of California Archaeological Survey (November 17, 1958–October 22, 1959)238 objects
- S1994-1995 #2: American Museum of Natural History/David Hurst Thomas (August 30, 1994–February 1, 1996)210 objects
- S1945-1946 #2: Nevada State Museum (July 30, 1945–November 14, 1955)183 objects
- S1983-1984 #10: Department of Anthropology (University of Washington)/Donald Grayson (May 23, 1985–October 14, 1988)109 objects
- S1977-1978 #63: Department of Anthropology (UC Berkeley)/Robert Fleming Heizer (1978–October 14, 1980)107 objects
- S1972-1973 #77: Department of Anthropology (UC Berkeley)/Thomas Roy Hester (April 6, 1973–July 4, 1973)68 objects
- S2005-2006 #6: Integrative Biology Department (UC Berkeley)/Timothy D. White (October 12, 2005–November 20, 2020)61 objects
- S1980-1981 #14: Peter Banks (August 20, 1980–June 4, 1982)51 objects
- S1976-1977 #51: Department of Anthropology (UC Davis)/Richard E. Hughes (February 25, 1977–March 2, 1979)28 objects
- S1972-1973 #56: Department of Anthropology (UC Berkeley)/Thomas Roy Hester (January 31, 1973–May 15, 1973)27 objects
- S1980-1981 #12: Department of Anthropology (UC Davis) (August 11, 1989–December 30, 1980)20 objects
- S1990-1991 #22: Indiana University Museum of Archaeology and Anthropology /Noel Justice (January 1991–May 6, 1992)19 objects
- S2001-2002 #10: Integrative Biology Department (UC Berkeley)/Timothy D. White (November 30, 2001–November 30, 2002)19 objects
- S1979-1980 #27: California State University, East Bay/Colin L. Busby (1979–unknown)17 objects
- S1974-1975 #90: Department of Anthropology (UC Berkeley)/Christopher R. Corson (April 15, 1975–August 18, 1975)15 objects
- S1967-1968 #13: Department of Anthropology (UC Berkeley)/Robert Fleming Heizer (August 16, 1967–December 1, 1977)12 objects
- S1967-1968 #25 [formerly I-54-B]: University of California, Riverside/John F. Goins (July 1, 1954–present)9 objects
- S1970-1971 #146: Denver Museum of Natural History (July 23, 1954–July 3, 1973)9 objects
- S1943-1944 #1 [formerly I-43-A]: California Academy of Sciences/Carl L. Hubbs (August 27, 1943–lost on loan)8 objects
- S1957-1958 #8: Department of Anthropology (UC Berkeley)/Robert Fleming Heizer (November 13, 1957–November 13, 1957)7 objects