| Business | Phone |
| System Kinetics 13 Jefferson Rd, Webster Groves 63119 | (314) 968-1571 |
| Nowlin Berger Inc Webster Groves 63119 | (314) 961-3766 |
| New Horizons Software Inc 801 Leonard Dr, Webster Groves 63119 | (314) 961-4335 |
| Ebs Computer Svc Webster Groves 63119 | (314) 963-4600 |