- S1965-1966 #17: Anthropology (UC Berkeley)/Robert Fleming Heizer (September 20, 1965–June 27, 1966)421 objects
- S1983-1984 #10: Department of Anthropology (University of Washington)/Donald Grayson (May 23, 1985–October 14, 1988)293 objects
- S1958-1959 #8: University of California Archaeological Survey (November 17, 1958–October 22, 1959)255 objects
- S1994-1995 #2: American Museum of Natural History/David Hurst Thomas (August 30, 1994–February 1, 1996)232 objects
- S1977-1978 #63: Anthropology (UC Berkeley)/Robert Fleming Heizer (1978–October 14, 1980)209 objects
- S1945-1946 #2: Nevada State Museum (July 30, 1945–November 14, 1955)184 objects
- S1958-1959 #7: University of California Archaeological Survey/Edward Putnam Lanning (October 31, 1958–June 27, 1961)118 objects
- S1964-1965 #98: Wayne State University/Gordon L. Grosscup (May 20, 1965–August 10, 1984)103 objects
- S1981-1982 #8: University of California, Davis/Richard E. Hughes (August 24, 1981–February 9, 1987)102 objects
- S1986-1987 #14: Royal British Columbia Museum/Ted Miller (January 12, 1987–May 12, 1987)96 objects
- S1984-1985 #34: University of Washington/Donald Grayson (March 11, 1985–October 14, 1988)87 objects
- S1979-1980 #6: American Museum of Natural History (August 7, 1979–August 31, 1980)70 objects
- S1975-1976 #55: Anthropology (UC Berkeley)/Lee Spencer (February 5, 1976–February 6, 1976)47 objects
- S1990-1991 #22: Indiana University Museum of Archaeology and Anthropology /Noel Justice (January 1991–May 6, 1992)47 objects
- S1975-1976 #53: Anthropology (UC Berkeley)/Lee Spencer (February 4, 1976–February 5, 1976)46 objects
- S1972-1973 #56: Anthropology (UC Berkeley)/Thomas Roy Hester (January 31, 1973–May 15, 1973)31 objects
- S1943-1944 #1 [formerly I-43-A]: California Academy of Sciences/Carl L. Hubbs (August 27, 1943–lost on loan)22 objects
- S1973-1974 #112: Anthropology (UC Berkeley)/Robert Fleming Heizer (June 6, 1974–June 23, 1976)21 objects
- S1972-1973 #92: California Academy of Sciences/Wilbur ("Bill") Irving Follett, Jr. (April 30, 1973–February 15, 1979)16 objects
- S1989-1990 #20: University of Washington/Donald Grayson (June 13, 1990–March 31, 1992)13 objects