| Business | Phone |
| Alw Plumbing 405 S Oak St, Union 63084 | (636) 584-7543 |
| Bob'B Plumbing Co Union 63084 | (636) 583-6224 |
| Diekmann Plumbing 160 Snow Drift Ln, Union 63084 | (636) 629-7525 |
| Eckstein Plumbing Union 63084 | (636) 583-5647 |
| Frueh Services 9 Progress Dr, Union 63084 | (636) 583-3780 |
| Pelton Plumbing Union 63084 | (636) 583-5821 |