- City and County of San Francisco, Waste Water Management Program13,774 objects
- University Appropriation3,789 objects
- Llewellyn Lemont Loud3,017 objects
- Colin L. Busby2,491 objects
- Susan Seck2,276 objects
- Robert Fleming Heizer2,171 objects
- Stuart C. Way2,123 objects
- William J. Wallace885 objects
- Edith S. (Taylor) Wallace882 objects
- James Deetz772 objects
- University of California Archaeological Survey422 objects
- Clement W. Meighan404 objects
- Josef Gamper386 objects
- Basin Research Associates, Inc.379 objects
- unknown324 objects
- Head Family293 objects
- Lawrence Kinnaird273 objects
- James C. Bard215 objects
- Pinn Brothers Construction, Inc.151 objects
- Barbara E. Busch144 objects