| Warning Letter — Piazza Market | 436782 Aug 7, 2014 |
| Warning Letter — Tobacco Valley | 436678 Aug 7, 2014 |
| Warning Letter — Walgreens | 436039 Jul 31, 2014 |
| Warning Letter — Freedom Valu Center | 435922 Jul 31, 2014 |
| Warning Letter — Marathon | 435887 Jul 31, 2014 |
| Warning Letter — Lucky Seven General Store | 435923 Jul 31, 2014 |
| Warning Letter — The Station / Marathon | 436171 Jul 31, 2014 |
| Warning Letter — Ken's Market | 435889 Jul 31, 2014 |
| Warning Letter — Express Lane / Marathon | 435461 Jul 24, 2014 |
| Warning Letter — Hy-Vee Wine & Spirits | 435459 Jul 24, 2014 |
| Warning Letter — Freedom Valu Center | 435460 Jul 24, 2014 |
| Warning Letter — Discount Tobacco & Grocery | 435565 Jul 24, 2014 |
| Warning Letter — River Station | 435345 Jul 24, 2014 |
| Warning Letter — Tesoro | 435315 Jul 24, 2014 |
| Warning Letter — Solie Services | 435281 Jul 24, 2014 |
| Warning Letter — Sportsman's Store | 435262 Jul 24, 2014 |
| Warning Letter — Little Turtle Lake Store | 435395 Jul 24, 2014 |
| Warning Letter — Gas Hopper | 435396 Jul 24, 2014 |
| Warning Letter — Pump 4 Less | 435331 Jul 24, 2014 |
| Warning Letter — Len's Family Foods | 435515 Jul 24, 2014 |
| Warning Letter — The Cedar Chest | 435255 Jul 24, 2014 |
| Warning Letter — Holiday | 435265 Jul 24, 2014 |
| Warning Letter — Frontier Sports | 435371 Jul 24, 2014 |
| Warning Letter — Quillin's IGA | 435294 Jul 24, 2014 |
| Warning Letter — A-1 Liquor | 434868 Jul 17, 2014 |
| Warning Letter — Anderson Market/Greek Grill & Fry Co. | 434856 Jul 17, 2014 |
| Warning Letter — Blaine Tobacco | 434865 Jul 17, 2014 |
| Warning Letter — SuperAmerica | 434860 Jul 17, 2014 |
| Warning Letter — Courtyard Convenience | 434861 Jul 17, 2014 |
| Warning Letter — Little Dukes | 434854 Jul 17, 2014 |
| Warning Letter — SuperAmerica | 434855 Jul 17, 2014 |
| Warning Letter — Mourado's Tobacco | 434862 Jul 17, 2014 |
| Warning Letter — Kwik Trip #433 | 434853 Jul 17, 2014 |
| Warning Letter — Freedom Valu Center #81 | 434852 Jul 17, 2014 |
| Warning Letter — New Mart | 434857 Jul 17, 2014 |
| Warning Letter — The Metro Stop | 434858 Jul 17, 2014 |
| Warning Letter — Lay's Food Market | 434025 Jul 10, 2014 |
| Warning Letter — New Smokes | 434266 Jul 10, 2014 |
| Warning Letter — Tony's Smoke Shop | 434231 Jul 10, 2014 |
| Warning Letter — Todd & Patty Meech Dairy Farm | 432782 Jul 10, 2014 |
| Warning Letter — Back Door Tobacco | 434274 Jul 10, 2014 |
| Warning Letter — Kwik Trip #662 | 434293 Jul 10, 2014 |
| Warning Letter — Apollo Liquor & Smoke Shop | 433484 Jul 2, 2014 |
| Warning Letter — Tonka Bottle Shop | 433514 Jul 2, 2014 |
| Warning Letter — Yesmart & Tobacco | 433456 Jul 2, 2014 |
| Warning Letter — Lucky Seven General Store | 433511 Jul 2, 2014 |
| Warning Letter — Crystal Tobacco | 433575 Jul 2, 2014 |
| Warning Letter — Royal Tobacco | 433576 Jul 2, 2014 |
| Warning Letter — Apollo | 433523 Jul 2, 2014 |
| Warning Letter — Winner Gas / Tobacco Depot | 433025 Jun 26, 2014 |