Outstanding Service Award for a Collegiate Chapter Western Province Award Winners For more information about the Outstanding Service Award for a Collegiate Chapter, please visit its award page.
2024 Tau Chi California-Merced All 2024 Winners	2023 Tau Chi California-Merced All 2023 Winners	2022 Gamma Psi Arizona All 2022 Winners	2021 Gamma Omega Arizona State All 2021 Winners
2020 Tau Chi California-Merced All 2020 Winners	2019 Gamma Phi Texas-El Paso All 2019 Winners	2018 Mu Rho Colorado State All 2018 Winners	2017 Gamma Omega Arizona State All 2017 Winners
2016 Pi Sigma California-Irvine All 2016 Winners	2015 Lambda Mu Pacific (CA) All 2015 Winners	2014 Rho Phi Concordia (CA) All 2014 Winners	2013 Rho Phi Concordia (CA) All 2013 Winners
2012 Lambda Sigma Cal State-Fullerton All 2012 Winners	2011 Eta Chi Cal Poly-Pomona All 2011 Winners	2010 Pi Sigma California-Irvine All 2010 Winners	2009 Eta Chi Cal Poly-Pomona All 2009 Winners
2008 Kappa Mu Cal Poly-San Luis Obispo All 2008 Winners	2007 Lambda Chi California-Riverside All 2007 Winners	2006 Kappa Mu Cal Poly-San Luis Obispo All 2006 Winners	2005 Eta Chi Cal Poly-Pomona All 2005 Winners
2004 Epsilon Phi Cal State-Sacramento All 2004 Winners	2003 Theta Chi San Jose State All 2003 Winners