| Business | Phone |
| Ancona Plumbing & Heating 15986 E Kennedy Rd, Mt. Vernon 62864 | (618) 242-3597 |
| E F Wielt Plumbing Inc 116 N 9th St, Mt. Vernon 62864 | (618) 242-3360 |
| Mt Vernon Plumbing Svc Mt. Vernon 62864 | (618) 242-7554 |
| Norm Fowler's Mt Vernon Sewer 1105 Conger Ave, Mt. Vernon 62864 | (618) 244-0835 |
| Herks Mechanical Inc 11743 E Hutchinson Rd, Mt. Vernon 62864 | (618) 242-7618 |