2015 – Graham Group

July 27, 2020

2015 – Graham Group

July 27, 2020

2001 – Ledcor Industries

July 27, 2020

2002 – Aluma Systems

July 27, 2020

2003 – Waiward Steel Fabricators

July 27, 2020

2004 – PCL Constructors

July 27, 2020

2005 – Dufferin Construction Company

July 27, 2020

2006 – Mike Moore and Sons Construction

July 27, 2020

2007 – Ledcor Group of Companies

July 27, 2020

2008 – George A. Kelson

July 27, 2020

2009 – Aluma Systems