2014 Carla Ostberg
2012 Tenzin McClain
2010 Erin Reichert
2009 Dale Tamnik
2007 Brian Scheffe
2006 All Service Septic
2005 Front Range Precast
2004 Church and Associates
2000 SCG Enterprises, inc.
1999 Dale Dunnels, Infiltrator Systems, Inc.
1997 Waste Management of Colorado and Midway Sanitary Landfill
1996 Planetary Solutions