Outstanding Professional Activities Award for a Collegiate ChapterWestern Province Award WinnersFor more information about the Outstanding Professional Activities Award for a Collegiate Chapter, please visit its award page. | |||
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| 2025Rho ChiHawaii-ManoaAll 2025 Winners | 2024Tau ChiCalifornia-MercedAll 2024 Winners | 2023Gamma PsiArizonaAll 2023 Winners | 2022Rho ChiHawaii-ManoaAll 2022 Winners |
| 2021Gamma PsiArizonaAll 2021 Winners | 2020Gamma PsiArizonaAll 2020 Winners | 2019Rho ChiHawaii-ManoaAll 2019 Winners | 2018PhiSouthern CaliforniaAll 2018 Winners |
| 2017Gamma OmegaArizona StateAll 2017 Winners | 2016Alpha RhoColorado-BoulderAll 2016 Winners | 2015Sigma UpsilonWashington-SeattleAll 2015 Winners | 2014Pi SigmaCalifornia-IrvineAll 2014 Winners |
| 2013Pi SigmaCalifornia-IrvineAll 2013 Winners | 2012Pi SigmaCalifornia-IrvineAll 2012 Winners | 2011Pi SigmaCalifornia-IrvineAll 2011 Winners | 2010Pi SigmaCalifornia-IrvineAll 2010 Winners |
| 2009PhiSouthern CaliforniaAll 2009 Winners | 2008PhiSouthern CaliforniaAll 2008 Winners | 2007Lambda ChiCalifornia-RiversideAll 2007 Winners | 2006Nu RhoCalifornia-DavisAll 2006 Winners |
| 2005Nu RhoCalifornia-DavisAll 2005 Winners | 2004Xi PiRedlands (CA)All 2004 Winners | 2003Nu RhoCalifornia-DavisAll 2003 Winners | |