| Business | Phone |
| Amdocs Ltd 1390 Timberlake Manor Pkwy, Chesterfield 63017 | (314) 212-8328 |
| Solution Consultants Inc 1350 Elbridge Payne Rd # 100, Chesterfield 63017 | (636) 530-4515 |
| Network Data Systems 15400 S Outer 40 # 100, Chesterfield 63017 | (636) 532-9679 |