| Warning Letter — Casey's General Store | 537853 Sep 21, 2017 |
| Warning Letter — Stucky's | 537942 Sep 21, 2017 |
| Warning Letter — Palos Tobacco | 537943 Sep 21, 2017 |
| Warning Letter — Westmore Liquor Mart/Illinois Liquor Mart | 537837 Sep 21, 2017 |
| Warning Letter — Southern FS, Inc. | 537779 Sep 21, 2017 |
| Warning Letter — Nicky's Fruit Market | 537979 Sep 21, 2017 |
| Warning Letter — Sullivan's Foods | 537762 Sep 21, 2017 |
| Warning Letter — Fast Stop | 537899 Sep 21, 2017 |
| Warning Letter — Dollar General | 537934 Sep 21, 2017 |
| Warning Letter — Creal Springs Mini Mart | 537937 Sep 21, 2017 |
| Warning Letter — Ridgway Quik Mart | 537927 Sep 21, 2017 |
| Warning Letter — BP/To Go | 537946 Sep 21, 2017 |
| Warning Letter — Hy-Vee Gas | 537858 Sep 21, 2017 |
| Warning Letter — Graham's Market Place/BP | 537674 Sep 21, 2017 |
| Warning Letter — Omaha 1 Stop | 537900 Sep 21, 2017 |
| Warning Letter — Express Lane/Shell | 537856 Sep 21, 2017 |
| Warning Letter — ROC One Stop/Citgo | 537843 Sep 21, 2017 |
| Warning Letter — Power Gas | 537901 Sep 21, 2017 |
| Warning Letter — Hy-Vee | 537857 Sep 21, 2017 |
| Warning Letter — Lakeview Smoke Shop | 537425 Sep 14, 2017 |
| Warning Letter — Broadway Discount | 537198 Sep 14, 2017 |
| Warning Letter — S & N Tobacco & Convenience Store | 537409 Sep 14, 2017 |
| Warning Letter — The Loose Screw | 537357 Sep 14, 2017 |
| Warning Letter — Bonnie Dundee Golf Club | 537383 Sep 14, 2017 |
| Warning Letter — Rudys Cigars | 537200 Sep 14, 2017 |
| Warning Letter — Express Lane/Shell | 537385 Sep 14, 2017 |
| Warning Letter — The Konnect Convenience | 537237 Sep 14, 2017 |
| Warning Letter — Go Go's Variety/Vaporosity Shop | 537236 Sep 14, 2017 |
| Warning Letter — Tony's Oyster Bar | 537402 Sep 14, 2017 |
| Warning Letter — Dotty's | 537509 Sep 14, 2017 |
| Warning Letter — El Mercado Food Mart | 537511 Sep 14, 2017 |
| Warning Letter — Vapor Wireless | 537429 Sep 14, 2017 |
| Warning Letter — VAPE-N-JUICE INC. | 537199 Sep 14, 2017 |
| Warning Letter — Mobil | 536883 Sep 7, 2017 |
| Warning Letter — Mobil | 536878 Sep 7, 2017 |
| Warning Letter — Schnucks | 537034 Sep 7, 2017 |
| Warning Letter — Lions Quick Mart/Phillips 66 | 536985 Sep 7, 2017 |
| Warning Letter — CD Liquors | 536948 Sep 7, 2017 |
| Warning Letter — Mobil | 536880 Sep 7, 2017 |
| Warning Letter — 7-Eleven #33144 | 536919 Sep 7, 2017 |
| Warning Letter — Walgreens | 536848 Sep 7, 2017 |
| Warning Letter — Manarys | 536956 Sep 7, 2017 |
| Warning Letter — Wal-Mart | 536533 Aug 31, 2017 |
| Warning Letter — Express Lane / Shell | 536262 Aug 31, 2017 |
| Warning Letter — Vapor 101 | 536385 Aug 31, 2017 |
| Warning Letter — Family Dollar | 536619 Aug 31, 2017 |
| Warning Letter — Circle K/BP | 536403 Aug 31, 2017 |
| Warning Letter — Dollar General | 536429 Aug 31, 2017 |
| Warning Letter — Vince's Tobacco Depot | 536071 Aug 24, 2017 |
| Warning Letter — Dollar General | 536013 Aug 24, 2017 |