| Business | Phone |
| Tesoro Petroleum Corp 900 Old Red Trl Ne, Mandan 58554 | (701) 667-2400 |
| Southsidetesoro 505 6th Ave Se, Mandan 58554 | (701) 663-5551 |
| Red Trail Petroleum 2511 Old Red Trl, Mandan 58554 | (701) 663-8668 |
| Downtown Conoco 305 W Main St, Mandan 58554 | (701) 663-1316 |
| M & H Gas Station 322 E Main St, Mandan 58554 | (701) 663-1114 |
| Leroy's Tesoro 1210 E Main St, Mandan 58554 | (701) 663-4862 |