My best guess at the moment is Kohl’s because:
• Website lists 28 pet food items listed under “Healthy Pet Treats”.
• 1,089 stores in 49 states.
• 20th largest retailer in the U.S. in 2011 in terms of revenue.
Although their most recent annual revenue total was $ 18+ billion, they did have a $ 6+ billion recent quarter.
Also, I just spoke with their Customer Service Dept., and was told that any new item would not show-up in their database until it is received and processed for store distribution (Walmart, etc. have said the same in the past)