| Warning Letter — Minnehaha Liquors | 685082 May 23, 2024 |
| Warning Letter — Schaefer Foods | 684541 May 16, 2024 |
| Warning Letter — Cloud 9 Smoke Shop | 684624 May 16, 2024 |
| Warning Letter — Dandelion Tobacco | 684543 May 16, 2024 |
| Warning Letter — Mark's Bar | 684542 May 16, 2024 |
| Warning Letter — Korner Mart/ Mileage | 684309 May 14, 2024 |
| Warning Letter — Big Lake Smoke Shop | 683474 May 2, 2024 |
| Warning Letter — Alexandria Tobacco Shop Plus | 683209 Apr 30, 2024 |
| Warning Letter — Ecig Lounge | 682744 Apr 23, 2024 |
| Warning Letter — BP | 682621 Apr 23, 2024 |
| Warning Letter — Lakeshore Market | 682745 Apr 23, 2024 |
| Warning Letter — Family Dollar 9306 | 682140 Apr 16, 2024 |
| Warning Letter — Freedom Valu Center 66 / Amoco | 681644 Apr 16, 2024 |
| Warning Letter — E-Cig Xcape | 682184 Apr 16, 2024 |
| Warning Letter — Pump N Munch | 681854 Apr 16, 2024 |
| Warning Letter — Crystal Liquor Warehouse | 682192 Apr 16, 2024 |
| Warning Letter — Bottle Shoppe | 681822 Apr 11, 2024 |
| Warning Letter — Arco 472690 | 681291 Apr 4, 2024 |
| Warning Letter — Saint Augusta Tobacco And Vape | 681271 Apr 2, 2024 |
| Warning Letter — The MUNI Cleveland Municipal Liquor | 680977 Mar 28, 2024 |
| Warning Letter — Kwik Trip | 680614 Mar 26, 2024 |
| Warning Letter — Best Buy Liquor | 680613 Mar 26, 2024 |
| Warning Letter — Augustine Temperature Management, LLC | 671243 Mar 21, 2024 |
| Warning Letter — Dollar General #15434 | 680350 Mar 21, 2024 |
| Warning Letter — Beckman Coulter, Inc. | 678042 Mar 15, 2024 |
| Warning Letter — Cub Uptown | 679906 Mar 14, 2024 |
| Warning Letter — Speedway 4782 | 679907 Mar 14, 2024 |
| Warning Letter — 59Er | 679472 Mar 12, 2024 |
| Warning Letter — Smoke 4 Less | 679626 Mar 12, 2024 |
| Warning Letter — Y 92 Convenience/Tesoro | 679206 Mar 7, 2024 |
| Warning Letter — BP / To Go | 679208 Mar 7, 2024 |
| Warning Letter — Vaping Studio | 677327 Mar 6, 2024 |
| Warning Letter — Tobacco + | 679232 Mar 5, 2024 |
| Warning Letter — Motomart | 679221 Mar 5, 2024 |
| Warning Letter — U Pump It / Marathon | 679218 Mar 5, 2024 |
| Warning Letter — Reidy's Market | 678884 Feb 29, 2024 |
| Warning Letter — The OP | 678881 Feb 29, 2024 |
| Warning Letter — Tom's Market | 678882 Feb 29, 2024 |
| Warning Letter — Nowaks Liquor | 678883 Feb 29, 2024 |
| Warning Letter — Dollar General 19167 | 678630 Feb 27, 2024 |
| Warning Letter — New Prague Tobacco-Downtown | 678242 Feb 22, 2024 |
| Warning Letter — Smoke Shop | 677915 Feb 15, 2024 |
| Warning Letter — Bell International Laboratories, Inc. | 669736 Feb 15, 2024 |
| Warning Letter — Bayer Gas And Grocery | 677986 Feb 15, 2024 |
| Warning Letter — Groceries Superette Tobacco | 677916 Feb 15, 2024 |
| Warning Letter — MGM Wine And Spirits | 677675 Feb 13, 2024 |
| Warning Letter — Speedway | 677674 Feb 13, 2024 |
| Warning Letter — Marathon / Felton Country Store | 677673 Feb 13, 2024 |
| Warning Letter — The Green Mill Bar | 677267 Feb 8, 2024 |
| Warning Letter — Kwik Trip 309 | 677223 Feb 6, 2024 |