Effective September 1, 2012 - August 31, 2013
Avera Health
CHS, Inc.
Cold Springs Granite Company
Dakota Granite Company
Federal Express Corporation
Jeld-Wen, Inc.
John Morrell & Company
Kohl's Department Stores
MidAmerican Energy Company
NorthWestern Energy
Otter Tail Power Company
Target Corporation
Tyson Foods, Inc.