Other National/State:
Archaeological Conservancy: www.archaeologicalconservancy.org
Society for California Archaeology (SCA): https://scahome.org/
Society for American Archaeology: https://www.saa.org/

Local SoCal :
San Diego Society: https://sites.google.com/view/sandiegoaia
Riverside Society: http://aiariverside.ucr.edu/
American Research Center in Egypt, Orange County (ARCE): https://www.arceoc.org/
Pacific Coast Archaeology Society (PCAS): http://www.pcas.org/
OC Parks Cooper Center for Archaeology and Paleontology: https://www.ocparks.com/historic-sites/archaeo-paleo-collections

Academics
California State University, Fullerton Anthopology/Archaeology: http://anthro.fullerton.edu/
UC Irvine Department of Classics: https://www.humanities.uci.edu/classics/
La Sierra University: https://lasierra.edu/cnea/discovery-weekend/

Museums
Autry Museum of American West: https://theautry.org/
Western Science Center, Hemet: https://www.westernsciencecenter.org/
Bowers Museum: https://www.bowers.org/
California Science Center: https://californiasciencecenter.org/
Fowler Museum, UCLA: https://fowler.ucla.edu/
Getty Museum: https://www.getty.edu/museum/
Getty Villa: https://www.getty.edu/visit/villa/
L.A. Museum of Natural History: https://nhm.org/research-collections/departments-and-programs/anthropology
San Diego Museum of Man: https://www.museumofman.org/