| Warning Letter — Meijer Gas Station | 521868 Apr 6, 2017 |
| Warning Letter — Dollar General | 521867 Apr 6, 2017 |
| Warning Letter — Phillips 66 | 521833 Apr 6, 2017 |
| Warning Letter — Hoosier Pete | 521773 Apr 6, 2017 |
| Warning Letter — Marathon | 521776 Apr 6, 2017 |
| Warning Letter — John's Service | 521304 Mar 30, 2017 |
| Warning Letter — Drive Thru Smoke Shop | 521224 Mar 30, 2017 |
| Warning Letter — Family Dollar | 521242 Mar 30, 2017 |
| Warning Letter — Marathon | 520988 Mar 30, 2017 |
| Warning Letter — Circle K/Shell | 521081 Mar 30, 2017 |
| Warning Letter — Safeway | 521202 Mar 30, 2017 |
| Warning Letter — Hilltop Tavern | 520757 Mar 23, 2017 |
| Warning Letter — Dollar General | 520481 Mar 23, 2017 |
| Warning Letter — Clarks Hill Market | 520605 Mar 23, 2017 |
| Warning Letter — Dollar General | 520546 Mar 23, 2017 |
| Warning Letter — Eaton Video | 520758 Mar 23, 2017 |
| Warning Letter — Bestmart | 520502 Mar 23, 2017 |
| Warning Letter — Valero/Xpress Mart | 520734 Mar 23, 2017 |
| Warning Letter — Exxon | 520614 Mar 23, 2017 |
| Warning Letter — Marathon/Pak-A-Sak | 520674 Mar 23, 2017 |
| Warning Letter — Food Center/Marathon | 520769 Mar 23, 2017 |
| Warning Letter — Yorktown Food Mart/Marathon | 520618 Mar 23, 2017 |
| Warning Letter — Marathon/Larwill Deli N More | 520671 Mar 23, 2017 |
| Warning Letter — CountryMark | 520478 Mar 23, 2017 |
| Warning Letter — Pak-A-Sak / Arco | 520768 Mar 23, 2017 |
| Warning Letter — Casey's General Store | 520689 Mar 23, 2017 |
| Warning Letter — Marathon/Circle S Mart | 520731 Mar 23, 2017 |
| Warning Letter — Friendly Tobacco Shop | 520511 Mar 23, 2017 |
| Warning Letter — McClure | 520479 Mar 23, 2017 |
| Warning Letter — Jacobi's Food Mart | 520367 Mar 23, 2017 |
| Warning Letter — Clark Gas Station | 520545 Mar 23, 2017 |
| Warning Letter — Pak-A-Sak | 520480 Mar 23, 2017 |
| Warning Letter — Merrill D. Benson, M.D. | 518882 Mar 20, 2017 |
| Warning Letter — Cherry Asian Grocery | 519930 Mar 16, 2017 |
| Warning Letter — Vest Quik Mart | 520108 Mar 16, 2017 |
| Warning Letter — Marathon | 519721 Mar 16, 2017 |
| Warning Letter — Food Mart/Shell | 519947 Mar 16, 2017 |
| Warning Letter — Circle K | 519890 Mar 16, 2017 |
| Warning Letter — Sunrise/Marathon | 520036 Mar 16, 2017 |
| Warning Letter — Marathon | 519856 Mar 16, 2017 |
| Warning Letter — Marathon | 519857 Mar 16, 2017 |
| Warning Letter — Casey's General Stores | 519723 Mar 16, 2017 |
| Warning Letter — Shell | 520107 Mar 16, 2017 |
| Warning Letter — Ricker's | 519854 Mar 16, 2017 |
| Warning Letter — Phil's One Stop/Phillips 66 | 519264 Mar 9, 2017 |
| Warning Letter — Ricker's | 519452 Mar 9, 2017 |
| Warning Letter — Phillips 66/City Mart | 519162 Mar 9, 2017 |
| Warning Letter — Speedway | 519239 Mar 9, 2017 |
| Warning Letter — Marathon | 519307 Mar 9, 2017 |
| Warning Letter — Phillips 66 | 519399 Mar 9, 2017 |