| Business | Phone |
| Ameritech 2616 Bachelor Crk, Union 63084 | (636) 583-3674 |
| Britton Enterprises 2017 Meadow Ln, Union 63084 | (636) 583-5219 |
| Color World 1500 Old Us Highway 50 W, Union 63084 | (636) 584-7472 |
| Denmark East Wwtp 1999 Denmark Rd, Union 63084 | (636) 584-0170 |
| Eaton Corp 2 Bittersweet, Union 63084 | (636) 583-8848 |
| Explosives Energies 77 Highline Industrial Dr, Union 63084 | (636) 583-2541 |