| Warning Letter — Kwik Trip 886 | 665069 Aug 15, 2023 |
| Warning Letter — Casey's General Store | 665184 Aug 15, 2023 |
| Warning Letter — Speedway #4506 | 665181 Aug 15, 2023 |
| Warning Letter — Howards East / Cenex | 665068 Aug 15, 2023 |
| Warning Letter — MAPLEWOOD TOBACCO | 663710 Jul 27, 2023 |
| Warning Letter — Love's | 663571 Jul 25, 2023 |
| Warning Letter — CENEX | 663573 Jul 25, 2023 |
| Warning Letter — Freedom 53 / BP | 663554 Jul 25, 2023 |
| Warning Letter — Lakeshore Tobacco Vapor | 663272 Jul 20, 2023 |
| Warning Letter — Indian Hills Golf Club | 663276 Jul 20, 2023 |
| Warning Letter — Holiday | 662322 Jul 18, 2023 |
| Warning Letter — Family Dollar | 662785 Jul 13, 2023 |
| Warning Letter — E Cig Smoke Shop | 662622 Jul 11, 2023 |
| Warning Letter — Wonky Confections LLC | 648568 Jul 7, 2023 |
| Warning Letter — Dicks Vape Shop | 662262 Jul 6, 2023 |
| Warning Letter — Walgreens #1811 | 662181 Jul 3, 2023 |
| Warning Letter — SPEEDWAY #8510 | 662042 Jun 29, 2023 |
| Warning Letter — Kwik Trip 388 | 661944 Jun 29, 2023 |
| Warning Letter — Kwik Trip 364 | 661815 Jun 27, 2023 |
| Warning Letter — Littlefork Liquor Store | 661736 Jun 27, 2023 |
| Warning Letter — SILVER LAKE FOODS | 661816 Jun 27, 2023 |
| Warning Letter — LEXINGTON LIQUORS | 661473 Jun 22, 2023 |
| Warning Letter — Speedway | 661492 Jun 22, 2023 |
| Warning Letter — To Go BP | 661472 Jun 22, 2023 |
| Warning Letter — Chi Town Grill And Grocery | 661432 Jun 21, 2023 |
| Warning Letter — COOPER'S CORNER LIQUOR | 661361 Jun 20, 2023 |
| Warning Letter — Montevideo Market | 661117 Jun 15, 2023 |
| Warning Letter — Liquor Lodge | 661116 Jun 15, 2023 |
| Warning Letter — Food And Fuel / Cenex | 661115 Jun 15, 2023 |
| Warning Letter — Skindelien's / BP | 660839 Jun 13, 2023 |
| Warning Letter — Lacteos Mi Chalatenango, Inc | 655717 Jun 12, 2023 |
| Warning Letter — HANSKA AMPRIDE CONVENIENCE MART | 660720 Jun 8, 2023 |
| Warning Letter — Marathon | 660540 Jun 6, 2023 |
| Warning Letter — Speedway 4375 | 660425 Jun 6, 2023 |
| Warning Letter — Family Dollar | 660518 Jun 6, 2023 |
| Warning Letter — RED ROOSTER FOODS | 660517 Jun 6, 2023 |
| Warning Letter — Family Market / Marathon | 659976 May 30, 2023 |
| Warning Letter — Cenex Convenience Store | 659979 May 30, 2023 |
| Warning Letter — SOUTHTOWN LIQUOR | 659774 May 25, 2023 |
| Warning Letter — Shell / Roadrunner Fuel | 659699 May 25, 2023 |
| Warning Letter — Al's Westside Service | 659773 May 25, 2023 |
| Warning Letter — Lakeville Tobacco E-Cig's Center | 659522 May 23, 2023 |
| Warning Letter — Speedway | 659528 May 23, 2023 |
| Warning Letter — Park Region Co-Op | 659523 May 23, 2023 |
| Warning Letter — Flippin Bill's/BP | 659526 May 23, 2023 |
| Warning Letter — Cenex | 659521 May 23, 2023 |
| Warning Letter — Fas-Stop Gasoline | 659527 May 23, 2023 |
| Warning Letter — Cenex | 659623 May 23, 2023 |
| Warning Letter — Cenex | 659215 May 18, 2023 |
| Warning Letter — Family Fare | 659097 May 16, 2023 |