Named to in 2015 – Placed 9th among medium companies
Named to in 2014 – Placed 13th among medium companies
Named to in 2013 – Placed 25th among large companies
Named to in 2012 – Placed 15th among large companies
Named to in 2010 – Placed 9th among large companies
Named to in 2009 – Placed 17th among small companies