| Warning Letter — Juba's Supervalu | 577441 Mar 28, 2019 |
| Warning Letter — Cenex | 577437 Mar 28, 2019 |
| Warning Letter — Clearview General Store | 577321 Mar 28, 2019 |
| Warning Letter — The Mann Cave Bar And Grill | 577218 Mar 28, 2019 |
| Warning Letter — Murphy USA | 577440 Mar 28, 2019 |
| Warning Letter — Cub | 576695 Mar 21, 2019 |
| Warning Letter — EASTSIDE EXPRESS | 576893 Mar 21, 2019 |
| Warning Letter — Steve's Country Foods | 576896 Mar 21, 2019 |
| Warning Letter — THE HUB SUPPER CLUB | 576894 Mar 21, 2019 |
| Warning Letter — Casey's General Store | 576636 Mar 21, 2019 |
| Warning Letter — Casey's General Store | 576212 Mar 14, 2019 |
| Warning Letter — Casey's | 576052 Mar 14, 2019 |
| Warning Letter — Emily Jo's / Pop Shop Plus | 575845 Mar 7, 2019 |
| Warning Letter — Casey's General Store 3613 | 575740 Mar 7, 2019 |
| Warning Letter — Holiday 248 | 575741 Mar 7, 2019 |
| Warning Letter — CASEYS GENERAL STORE 1723 | 575580 Mar 7, 2019 |
| Warning Letter — Bernstrom Convenience Store | 575784 Mar 7, 2019 |
| Warning Letter — Lucky Seven General Store | 575737 Mar 7, 2019 |
| Warning Letter — Lucky Seven/BP | 575785 Mar 7, 2019 |
| Warning Letter — Ottertail Oasis/Cenex | 575094 Feb 28, 2019 |
| Warning Letter — SETHRE'S FOODS | 575183 Feb 28, 2019 |
| Warning Letter — Owatonna Tobacco | 575191 Feb 28, 2019 |
| Warning Letter — Holiday | 575095 Feb 28, 2019 |
| Warning Letter — KWIK TRIP 806 | 575193 Feb 28, 2019 |
| Warning Letter — Pit Stop / Minnoco | 575390 Feb 28, 2019 |
| Warning Letter — Casey's General Store | 575184 Feb 28, 2019 |
| Warning Letter — Speedway 4172 | 574581 Feb 21, 2019 |
| Warning Letter — New Prague Tobacco-Downtown | 574668 Feb 21, 2019 |
| Warning Letter — Kwik Trip 641 | 574566 Feb 21, 2019 |
| Warning Letter — Emma's Express / Shell | 574764 Feb 21, 2019 |
| Warning Letter — Farmer's Grandson Eatery | 574580 Feb 21, 2019 |
| Warning Letter — Sunnyside Orchard | 574552 Feb 19, 2019 |
| Warning Letter — Seven Oak Express | 574382 Feb 14, 2019 |
| Warning Letter — Quick Mart / Clark | 574137 Feb 14, 2019 |
| Warning Letter — Gas Hopper | 574381 Feb 14, 2019 |
| Warning Letter — Ankeny's Mini Mart #1/Sinclair | 574404 Feb 14, 2019 |
| Warning Letter — KWIK TRIP | 574138 Feb 14, 2019 |
| Warning Letter — Sartell Liquor | 574136 Feb 14, 2019 |
| Warning Letter — American Preclinical Services | 562382 Feb 12, 2019 |
| Warning Letter — Southside Mini Mart | 573775 Feb 7, 2019 |
| Warning Letter — Cash Wise Foods / Liquor | 573776 Feb 7, 2019 |
| Warning Letter — CENEX | 573931 Feb 7, 2019 |
| Warning Letter — Brother's Market | 573654 Feb 7, 2019 |
| Warning Letter — Nutrition Coalition Inc | 566090 Feb 6, 2019 |
| Warning Letter — Pine's Edge Grocery / BP | 573279 Jan 31, 2019 |
| Warning Letter — BP Shop | 573280 Jan 31, 2019 |
| Warning Letter — Little Falls Wal-Mart Supercenter Store #1634 | 572700 Jan 24, 2019 |
| Warning Letter — Super One Foods | 572831 Jan 24, 2019 |
| Warning Letter — Mobil | 572480 Jan 17, 2019 |
| Warning Letter — Tobacco E-Cig's Center | 569769 Jan 17, 2019 |