CSUs: San Marcos, Sac State (http://onesearch.csus.edu/)
Orbis-Cascade members: https://www.orbiscascade.org/member/
For example, Oregon State: http://search.library.oregonstate.edu/primo_library/libweb/action/search.do?dscnt=0&dstmp=1441920026661&vid=OSU&ct=AdvancedSearch&mode=Advanced&fromLogin=true
Boston University (http://buprimo.hosted.exlibrisgroup.com/primo_library/libweb/action/search.do?vid=BU)
(PALNI) 23 institutions in Indiana
List of Primo sites from ELUNA: http://el-una.org/product-groups/primo-group/primo-sites/