| Warning Letter — BJ'S Kwik Shop | 687557 Jul 2, 2024 |
| Warning Letter — Fast Lane / Shell | 687644 Jul 2, 2024 |
| Warning Letter — Smoke 4 Less | 687601 Jul 2, 2024 |
| Warning Letter — Bud's Market | 687441 Jun 27, 2024 |
| Warning Letter — Puff Zone Smoke Shop | 687427 Jun 27, 2024 |
| Warning Letter — Kum And Go 475 | 687172 Jun 25, 2024 |
| Warning Letter — MDK Groceries The Spur | 687162 Jun 25, 2024 |
| Warning Letter — Rio Alce / Conoco | 687175 Jun 25, 2024 |
| Warning Letter — B J's Mini Mart | 687174 Jun 25, 2024 |
| Warning Letter — O'Malley's Market | 686984 Jun 21, 2024 |
| Warning Letter — Springfield Vapors | 686980 Jun 21, 2024 |
| Warning Letter — Grand Mart & Laundramat | 686689 Jun 18, 2024 |
| Warning Letter — Vape X Smoke Shop | 686550 Jun 13, 2024 |
| Warning Letter — Vapor Maven | 686551 Jun 13, 2024 |
| Warning Letter — Vapor Maven | 686552 Jun 13, 2024 |
| Warning Letter — Don Johnson's Tobacco World | 686122 Jun 11, 2024 |
| Warning Letter — Fast-N-Friendly | 686121 Jun 11, 2024 |
| Warning Letter — CIRCLE K #1617 | 686123 Jun 11, 2024 |
| Warning Letter — Freedom Vapes | 686124 Jun 11, 2024 |
| Warning Letter — King Petroleum | 686005 Jun 6, 2024 |
| Warning Letter — Casey's General Store | 685942 Jun 4, 2024 |
| Warning Letter — Wallys And Bros Tobacco And Vape | 685944 Jun 4, 2024 |
| Warning Letter — Phillips 66 / Seven Stop | 685941 Jun 4, 2024 |
| Warning Letter — Mobil / Cube Express Stop | 685760 Jun 4, 2024 |
| Warning Letter — Shop & Talk | 685273 Jun 4, 2024 |
| Warning Letter — Royals Liquor | 685945 Jun 4, 2024 |
| Warning Letter — Barnes Mart | 685519 May 30, 2024 |
| Warning Letter — Snappy Mart #49 / Conoco | 685292 May 30, 2024 |
| Warning Letter — Perryville E-Z Pump/Barnes Mart | 685176 May 28, 2024 |
| Warning Letter — Prince Smoke And Vape 2 | 685189 May 23, 2024 |
| Warning Letter — Aurora Super Stop | 685104 May 23, 2024 |
| Warning Letter — Big M's Tobacco | 685105 May 23, 2024 |
| Warning Letter — Smoking Cheap Head Shop | 685106 May 23, 2024 |
| Warning Letter — George's Great American Liquor Center | 684924 May 21, 2024 |
| Warning Letter — L & L Stores | 684906 May 21, 2024 |
| Warning Letter — Casey's | 684839 May 21, 2024 |
| Warning Letter — Stogies Liquor And Tavern | 684544 May 16, 2024 |
| Warning Letter — Vape Empire | 684507 May 16, 2024 |
| Warning Letter — FAMILY DOLLAR #5929 | 684505 May 16, 2024 |
| Warning Letter — HyVee Gas | 684545 May 16, 2024 |
| Warning Letter — Dollar General Store 18351 | 683831 May 9, 2024 |
| Warning Letter — 7-ELEVEN | 684063 May 9, 2024 |
| Warning Letter — Family Dollar / Dollar Tree | 684061 May 9, 2024 |
| Warning Letter — BP/Shop | 684062 May 9, 2024 |
| Warning Letter — Happy Smoke | 683829 May 9, 2024 |
| Warning Letter — BP | 684060 May 9, 2024 |
| Warning Letter — DOLLAR GENERAL 2901 | 683837 May 7, 2024 |
| Warning Letter — DISCOUNT SMOKE SHOP | 683840 May 7, 2024 |
| Warning Letter — Vapor World | 683839 May 7, 2024 |
| Warning Letter — Casey's General Store | 683778 May 7, 2024 |