| Business | Phone |
| Cortelyou Machine & Welding 511 E Main St, Oblong 62449 | (618) 592-3821 |
| Cross Oil & Well Svc Inc 104 E Missouri St, Oblong 62449 | (618) 592-4609 |
| Dependable Electric 728 E State Highway 33, Oblong 62449 | (618) 592-3314 |
| Mauss's Well Svc Rr 1 Box 718, Oblong 62449 | (618) 544-7549 |