Albertson's (updated 12/17/2011)
CVS Pharmacy (updated 12/12/2013)
Dollar General (added 12/2014)
Dollar Tree (Revised 7/28/2014)
Family Dollar (updated 10/4/2015)
Rite Aid (updated 5/4/2015)
Smart and Final (up-to-date as of 10/4/15)
Target (up-to-date as of 10/4/15)
Walgreens (up-to-date as of 10/4/15)
Walmart (up-to-date as of 10/4/15)
WinCo Foods (updated 9/15/14)