| Warning Letter — Garden Fresh Buffalo Grove | 614397 Aug 4, 2021 |
| Warning Letter — Capone Smoke Shop | 616461 Aug 3, 2021 |
| Warning Letter — Mobil / Lynwood Express | 616488 Aug 3, 2021 |
| Warning Letter — Shark Market | 616484 Aug 3, 2021 |
| Warning Letter — American Vapor Shop And Tobacco | 616399 Jul 29, 2021 |
| Warning Letter — Smoke & Snack Time | 616255 Jul 27, 2021 |
| Warning Letter — Food Mart | 616296 Jul 27, 2021 |
| Warning Letter — Citgo/Quik Mart | 616238 Jul 27, 2021 |
| Warning Letter — Smoke 4 Less | 616050 Jul 20, 2021 |
| Warning Letter — Big Dog Vapes | 616089 Jul 20, 2021 |
| Warning Letter — Faris Smoke Shop | 616128 Jul 20, 2021 |
| Warning Letter — Shell | 616114 Jul 20, 2021 |
| Warning Letter — Norridge Tobacco | 616126 Jul 20, 2021 |
| Warning Letter — Family Dollar #06669 | 616011 Jul 15, 2021 |
| Warning Letter — Smoke Dreams | 615928 Jul 13, 2021 |
| Warning Letter — Amoco | 615915 Jul 13, 2021 |
| Warning Letter — Ted's Home Beverage | 615999 Jul 13, 2021 |
| Warning Letter — BP / To Go | 615989 Jul 13, 2021 |
| Warning Letter — Smokes & Vapes | 615837 Jul 13, 2021 |
| Warning Letter — C-SIDE TOBACCO | 615931 Jul 13, 2021 |
| Warning Letter — Uptown Deli | 615927 Jul 13, 2021 |
| Warning Letter — Vapes R Us Smoke Shop | 615889 Jul 13, 2021 |
| Warning Letter — S & H Variety | 613950 Jul 13, 2021 |
| Warning Letter — Up In Smoke | 615822 Jul 8, 2021 |
| Warning Letter — Mobil | 615396 Jul 8, 2021 |
| Warning Letter — Dollar General 864 | 615652 Jul 8, 2021 |
| Warning Letter — Beltline Mart | 615650 Jul 8, 2021 |
| Warning Letter — Lucky Smoke Shop | 615601 Jul 6, 2021 |
| Warning Letter — Phillips 66 | 615653 Jul 6, 2021 |
| Warning Letter — The Convenience Store | 615599 Jul 6, 2021 |
| Warning Letter — Jackpot Discount Tobacco | 615458 Jul 1, 2021 |
| Warning Letter — Diamond Tobacco Shop | 615611 Jul 1, 2021 |
| Warning Letter — ZX Zephyr Xpress | 615614 Jul 1, 2021 |
| Warning Letter — Speedway | 615633 Jul 1, 2021 |
| Warning Letter — Studio 420 | 615100 Jul 1, 2021 |
| Warning Letter — Casey's General Store | 615694 Jul 1, 2021 |
| Warning Letter — BP | 615490 Jul 1, 2021 |
| Warning Letter — Glow-Up Smoke Vape | 615397 Jul 1, 2021 |
| Warning Letter — FIXTURE DISPLAYS LLC | 615052 Jun 28, 2021 |
| Warning Letter — BP / Food Shop | 615426 Jun 24, 2021 |
| Warning Letter — Marathon | 615374 Jun 24, 2021 |
| Warning Letter — Bill's Convenient Food | 615436 Jun 24, 2021 |
| Warning Letter — Casey's General Store | 615348 Jun 24, 2021 |
| Warning Letter — Tuff Puff Vape | 615294 Jun 17, 2021 |
| Warning Letter — Dollar General | 615268 Jun 17, 2021 |
| Warning Letter — 1 Fair Price Tobacco | 615096 Jun 17, 2021 |
| Warning Letter — BP / Shop | 615342 Jun 17, 2021 |
| Warning Letter — BP | 615247 Jun 17, 2021 |
| Warning Letter — Gas Stop | 615044 Jun 17, 2021 |
| Warning Letter — Phillips 66 | 615504 Jun 17, 2021 |