| Warning Letter — Shell / Gas 'N Go | 525216 May 18, 2017 |
| Warning Letter — Brink's Market | 525077 May 18, 2017 |
| Warning Letter — Coon Rapids Liquor | 525076 May 18, 2017 |
| Warning Letter — Lockport Marketplace | 525132 May 18, 2017 |
| Warning Letter — Cenex | 525131 May 18, 2017 |
| Warning Letter — Kingston Mini Mart | 524636 May 11, 2017 |
| Warning Letter — Apollo Liquor | 524584 May 11, 2017 |
| Warning Letter — Marathon | 524607 May 11, 2017 |
| Warning Letter — KWIK TRIP #357 | 524582 May 11, 2017 |
| Warning Letter — Kwik Trip | 524517 May 11, 2017 |
| Warning Letter — Cenex Zip Trip | 524103 May 4, 2017 |
| Warning Letter — Marathon | 524079 May 4, 2017 |
| Warning Letter — Fareway Food Stores | 524095 May 4, 2017 |
| Warning Letter — Sunmart Express | 523925 May 4, 2017 |
| Warning Letter — Tobacco Discount | 523926 May 4, 2017 |
| Warning Letter — Laughing Waters THC - Glass & Smoke Shop | 523950 May 4, 2017 |
| Warning Letter — El Buen Vino Liquor | 523796 May 4, 2017 |
| Warning Letter — North East Liquor | 523267 Apr 27, 2017 |
| Warning Letter — Pete's 1 Stop | 523488 Apr 27, 2017 |
| Warning Letter — Hy-Vee | 523361 Apr 27, 2017 |
| Warning Letter — Staples Bakery & Convenience / Clark | 523467 Apr 27, 2017 |
| Warning Letter — Kwik Trip | 523570 Apr 27, 2017 |
| Warning Letter — Food-N-Fuel | 523490 Apr 27, 2017 |
| Warning Letter — Rosemark Bakery, Inc. | 523139 Apr 25, 2017 |
| Warning Letter — Kwik Trip | 523136 Apr 20, 2017 |
| Warning Letter — The Station/Convenience Plus | 522864 Apr 20, 2017 |
| Warning Letter — SuperAmerica | 522953 Apr 20, 2017 |
| Warning Letter — Hy-Vee #1897 | 522887 Apr 20, 2017 |
| Warning Letter — Cenex | 522398 Apr 13, 2017 |
| Warning Letter — Wal-Mart | 522463 Apr 13, 2017 |
| Warning Letter — Cenex | 522501 Apr 13, 2017 |
| Warning Letter — Nicollet Mart | 522469 Apr 13, 2017 |
| Warning Letter — Erl's Market / Marathon | 522575 Apr 13, 2017 |
| Warning Letter — CENEX / FILL ME UP FOOD AND FUEL | 522470 Apr 13, 2017 |
| Warning Letter — Family Dollar | 522377 Apr 13, 2017 |
| Warning Letter — Eveleth Short Stop | 522576 Apr 13, 2017 |
| Warning Letter — Kwik Trip | 520576 Mar 23, 2017 |
| Warning Letter — J&J Liquor | 520514 Mar 23, 2017 |
| Warning Letter — Econo Foods #345 | 520578 Mar 23, 2017 |
| Warning Letter — Arco | 520629 Mar 23, 2017 |
| Warning Letter — Red Wing Smoke Shop Inc | 520577 Mar 23, 2017 |
| Warning Letter — Country Station | 520628 Mar 23, 2017 |
| Warning Letter — Speedway | 520042 Mar 16, 2017 |
| Warning Letter — BP | 519859 Mar 16, 2017 |
| Warning Letter — US Gas | 519880 Mar 16, 2017 |
| Warning Letter — Mackenthun's | 519942 Mar 16, 2017 |
| Warning Letter — Richwood Store | 520011 Mar 16, 2017 |
| Warning Letter — Kwik Trip | 519944 Mar 16, 2017 |
| Warning Letter — Schmidty's/Shell | 519758 Mar 16, 2017 |
| Warning Letter — Kenyon Market Place | 520041 Mar 16, 2017 |