2008 #3
- Penro Construction Company
2008 #2
- Kaw Valley Companies, Inc.
2008 #1
- Midwest Machinery & Supply, LLC
2007 #3
- Mead Cattle/E3 Biofuels
2007 #2
- Heartland Midwest
2007 #1
- R.L. Duncan Construction
2006 #3
- Loup City Commission Company
2006 #2
- Linhart Construction, Inc.