Participants in the online survey ranked the stores based on a Customer Loyalty Index that looks at a customer's satisfaction with their last shopping experience at a grocery store. It also looks at whether or not they would refer the store to others.
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Trader Joe's came in second in the survey. Wegmans is based in the Northeast and Mid-Atlantic and Publix is based in the South. Both of the chains scored a 77 percent rating.
Here are the top 10
1. Publix and Wegmans
2. Trader Joe's
3. H-E-B
4. Aldi
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5. Harris Teeter
6. Hy-Vee Food Stores
7. Costco
8. WinCo Foods
9. Whole Foods
10. Fry's