| Warning Letter — Rush Hour | 552697 Apr 12, 2018 |
| Warning Letter — QuikTrip | 552694 Apr 12, 2018 |
| Warning Letter — Schnucks Markets #105 | 552301 Apr 5, 2018 |
| Warning Letter — Walgreens 054676 | 552300 Apr 5, 2018 |
| Warning Letter — Olive Smoke Shop | 552471 Apr 5, 2018 |
| Warning Letter — BP | 551994 Mar 29, 2018 |
| Warning Letter — Schindler's Tavern | 551992 Mar 29, 2018 |
| Warning Letter — Conoco / Rapid Robert's | 548730 Mar 29, 2018 |
| Warning Letter — Quick Mart | 551995 Mar 29, 2018 |
| Warning Letter — Stadium Liquor | 552135 Mar 29, 2018 |
| Warning Letter — BP | 548496 Mar 22, 2018 |
| Warning Letter — Seymour Liquor & Tobacco | 548365 Mar 22, 2018 |
| Warning Letter — Hucks | 548522 Mar 22, 2018 |
| Warning Letter — Mobil/On The Run | 548523 Mar 22, 2018 |
| Warning Letter — Sinclair | 548366 Mar 22, 2018 |
| Warning Letter — Schaeperkoetter Store | 547996 Mar 15, 2018 |
| Warning Letter — M & A Quick Stop | 547998 Mar 15, 2018 |
| Warning Letter — CASEY'S GENERAL STORE | 548192 Mar 15, 2018 |
| Warning Letter — Conoco | 548001 Mar 15, 2018 |
| Warning Letter — Shop 'N Save | 548003 Mar 15, 2018 |
| Warning Letter — Brown Derby | 547995 Mar 15, 2018 |
| Warning Letter — Quiktrip 636 | 548000 Mar 15, 2018 |
| Warning Letter — JB Hawks Discount Tobacco And Vape | 548195 Mar 15, 2018 |
| Warning Letter — On The Run | 548002 Mar 15, 2018 |
| Warning Letter — Mitchell's Express | 547999 Mar 15, 2018 |
| Warning Letter — Buckner Thriftway | 547683 Mar 8, 2018 |
| Warning Letter — QuikTrip | 547540 Mar 1, 2018 |
| Warning Letter — Conoco | 547098 Feb 22, 2018 |
| Warning Letter — Vapor World | 547099 Feb 22, 2018 |
| Warning Letter — Hayti Travel Center/Exxon | 547120 Feb 22, 2018 |
| Warning Letter — Yoss Bros. Grocery | 547027 Feb 22, 2018 |
| Warning Letter — Food Stop And Liquor | 547123 Feb 22, 2018 |
| Warning Letter — Elsberry IGA | 547256 Feb 22, 2018 |
| Warning Letter — Jiffy Jim's Grocery | 547119 Feb 22, 2018 |
| Warning Letter — Pilot | 547063 Feb 22, 2018 |
| Warning Letter — Walgreens | 547237 Feb 22, 2018 |
| Warning Letter — Casey's General Store | 547028 Feb 22, 2018 |
| Warning Letter — Phillips 66 | 546675 Feb 15, 2018 |
| Warning Letter — Southseide Package | 546488 Feb 15, 2018 |
| Warning Letter — Liquor Land Lake Stop | 546768 Feb 15, 2018 |
| Warning Letter — Hot Spot | 546837 Feb 15, 2018 |
| Warning Letter — Michigan Market | 546563 Feb 15, 2018 |
| Warning Letter — Video Mart | 546792 Feb 15, 2018 |
| Warning Letter — Walmart | 546640 Feb 15, 2018 |
| Warning Letter — CigaWatt, LLC | 546330 Feb 9, 2018 |
| Warning Letter — Best One Stop | 546208 Feb 8, 2018 |
| Warning Letter — Phillips 66/Everyday | 546360 Feb 8, 2018 |
| Warning Letter — Dirt Cheap Cigarettes & Beer | 546289 Feb 8, 2018 |
| Warning Letter — Mike's/Sinclair | 545981 Feb 8, 2018 |
| Warning Letter — ZEDZ / VAPE TIME | 546290 Feb 8, 2018 |