| Warning Letter — USA Vapor Trails | 616279 Jul 27, 2021 |
| Warning Letter — Phillips 66 | 616252 Jul 22, 2021 |
| Warning Letter — Bear Stop / The Filling Station | 615925 Jul 13, 2021 |
| Warning Letter — Yoss Bros. Grocery | 615773 Jul 8, 2021 |
| Warning Letter — Dollar General 6947 | 615774 Jul 8, 2021 |
| Warning Letter — FastLane Eolia | 615606 Jul 1, 2021 |
| Warning Letter — Vapor Maven | 614347 Jun 24, 2021 |
| Warning Letter — CIGS AND SWIGS | 614354 Jun 24, 2021 |
| Warning Letter — Conoco | 614431 Jun 24, 2021 |
| Warning Letter — White Oak Station/Conoco | 615372 Jun 24, 2021 |
| Warning Letter — Clearwater Liquor Store | 615308 Jun 17, 2021 |
| Warning Letter — Hume General Store | 615339 Jun 17, 2021 |
| Warning Letter — VP Racing Fuels / The Pit Stop | 615221 Jun 17, 2021 |
| Warning Letter — G And W Foods | 615058 Jun 10, 2021 |
| Warning Letter — Sinclair / Crossroads Convenience Store | 615102 Jun 10, 2021 |
| Warning Letter — Vienna Quik Spot | 615079 Jun 10, 2021 |
| Warning Letter — G & S / Gas Deli Grocery Spirits | 614967 Jun 3, 2021 |
| Warning Letter — Main Street Grocery | 614947 May 27, 2021 |
| Warning Letter — Sinclair | 614932 May 27, 2021 |
| Warning Letter — Stateline Package And Tobacco Company | 614754 May 20, 2021 |
| Warning Letter — Dollar General #6234 | 614675 May 20, 2021 |
| Warning Letter — Food Fair Super Market | 614692 May 20, 2021 |
| Warning Letter — Rainbow Trout Ranch | 614737 May 20, 2021 |
| Warning Letter — Bullseye Gasoline | 614477 May 13, 2021 |
| Warning Letter — Phillips 66 | 614247 Apr 29, 2021 |
| Warning Letter — RP Vapors, Inc. | 614405 Apr 23, 2021 |
| Warning Letter — Verona One Stop Business | 614356 Apr 22, 2021 |
| Warning Letter — Grand Vapors | 613962 Mar 26, 2021 |
| Warning Letter — Chuckin' Clouds Vape Shop Inc | 613515 Feb 26, 2021 |
| Warning Letter — SANA Group, LLC | 612256 Feb 18, 2021 |
| Warning Letter — Lifted, LLC | 612216 Feb 18, 2021 |
| Warning Letter — Natural Sprout Company, LLC | 610151 Oct 29, 2020 |
| Warning Letter — Essense Of Life | 609001 Oct 9, 2020 |
| Warning Letter — SWT Global Supply Inc. | 610562 Sep 8, 2020 |
| Warning Letter — Accurate RX Pharmacy Consulting LLC | 604449 Sep 2, 2020 |
| Warning Letter — Primus Corporation | 607698 Aug 12, 2020 |
| Warning Letter — COREMEDICA LABORATORIES LLC | 608757 Jul 24, 2020 |
| Warning Letter — COREMEDICA LABORATORIES LLC | 607832 Jul 24, 2020 |
| Warning Letter — Bonne Terre BP | 608190 Jun 4, 2020 |
| Warning Letter — Dorsett Vapor | 608385 May 22, 2020 |
| Warning Letter — Vapor World | 606896 Apr 30, 2020 |
| Warning Letter — Lion Stop | 606649 Apr 24, 2020 |
| Warning Letter — Casey's General Store | 605542 Apr 24, 2020 |
| Warning Letter — Smokeys Place | 606298 Apr 16, 2020 |
| Warning Letter — Vapor World | 607169 Apr 16, 2020 |
| Warning Letter — 7 Eleven | 607168 Apr 16, 2020 |
| Warning Letter — Love's | 607032 Apr 9, 2020 |
| Warning Letter — Cathay Natural, LLC | 606161 Apr 6, 2020 |
| Warning Letter — Phillips 66 / Amerimart 3 | 606563 Apr 2, 2020 |
| Warning Letter — FASTZONE / CENEX | 606564 Apr 2, 2020 |