| Warning Letter — USA Vapor Trails | 637444 Jul 14, 2022 |
| Warning Letter — Dollar General 7716 | 637612 Jul 14, 2022 |
| Warning Letter — CONOCO / CONLEY'S QUICK STOP | 637474 Jul 14, 2022 |
| Warning Letter — Phillips 66 / Gas Mart 11 | 637475 Jul 14, 2022 |
| Warning Letter — Arch Quick Mart | 637477 Jul 14, 2022 |
| Warning Letter — CLOUDS SMOKE SHOP | 637656 Jul 14, 2022 |
| Warning Letter — Fast & Friendly | 637613 Jul 14, 2022 |
| Warning Letter — TRENTON MAIN STOP CONVENIENCE STORE | 637391 Jul 12, 2022 |
| Warning Letter — Goobers Hartford Store | 637441 Jul 12, 2022 |
| Warning Letter — Smoke Safe Premium Vapor Lounge | 637361 Jul 12, 2022 |
| Warning Letter — SMP Liquors | 637415 Jul 12, 2022 |
| Warning Letter — Shop & Talk | 637439 Jul 12, 2022 |
| Warning Letter — Casey's General Store | 637390 Jul 12, 2022 |
| Warning Letter — Hy-Vee | 637280 Jul 12, 2022 |
| Warning Letter — Xpress Liquor & Smokes | 637279 Jul 12, 2022 |
| Warning Letter — BLANK FIREWORKS AND TOBACCO OUTLET | 637028 Jul 7, 2022 |
| Warning Letter — BP Shop | 637117 Jul 7, 2022 |
| Warning Letter — Galt Hometown Grocery | 637116 Jul 7, 2022 |
| Warning Letter — Firehouse Vapes LLC | 635804 Jul 7, 2022 |
| Warning Letter — HY-VEE #1689 | 637118 Jul 7, 2022 |
| Warning Letter — PPUSA | 627006 Jul 7, 2022 |
| Warning Letter — Wal-Mart, Llc | 636867 Jul 5, 2022 |
| Warning Letter — Conoco | 636865 Jul 5, 2022 |
| Warning Letter — Shell | 636864 Jul 5, 2022 |
| Warning Letter — Dollar General 22411 | 636863 Jul 5, 2022 |
| Warning Letter — White Oak Station 10 | 636866 Jul 5, 2022 |
| Warning Letter — Spirit Shop | 636868 Jul 5, 2022 |
| Warning Letter — Famous Vape And Tobacco | 636522 Jun 30, 2022 |
| Warning Letter — Euphoria Smoke And Vape | 636524 Jun 30, 2022 |
| Warning Letter — Seymour Liquor & Tobacco | 636615 Jun 30, 2022 |
| Warning Letter — Kum & Go #460 | 636194 Jun 28, 2022 |
| Warning Letter — Turkey Creek Express / Shell | 636198 Jun 28, 2022 |
| Warning Letter — No Strings Attached | 636196 Jun 28, 2022 |
| Warning Letter — City Star/Cenex | 636226 Jun 28, 2022 |
| Warning Letter — Conoco | 636475 Jun 28, 2022 |
| Warning Letter — Country Mart | 636191 Jun 28, 2022 |
| Warning Letter — General Store | 636384 Jun 28, 2022 |
| Warning Letter — St. Louis Vapor Store | 636195 Jun 28, 2022 |
| Warning Letter — Jack Patricks Bar And Grill | 636197 Jun 28, 2022 |
| Warning Letter — Speed Zone | 636192 Jun 28, 2022 |
| Warning Letter — City Star Gas And Convenience | 636474 Jun 28, 2022 |
| Warning Letter — Phillips 66 | 636125 Jun 23, 2022 |
| Warning Letter — Cameron Country Mart | 636126 Jun 23, 2022 |
| Warning Letter — Roy's Convenience Stores | 636008 Jun 23, 2022 |
| Warning Letter — Smokeys Place | 636124 Jun 23, 2022 |
| Warning Letter — Vapor Maven | 635937 Jun 21, 2022 |
| Warning Letter — 7 Eleven Store | 635544 Jun 16, 2022 |
| Warning Letter — KCI Kwik Shop | 635740 Jun 16, 2022 |
| Warning Letter — Jones Travel Center | 635679 Jun 16, 2022 |
| Warning Letter — King Food Saver #20 | 635251 Jun 14, 2022 |