| Business | Phone |
| Balluff Inc Chesterfield 63005 | (636) 536-9604 |
| Tmw Co 16624 Chesterfield Airport Rd, Chesterfield 63017 | (636) 728-0888 |
| Leviton 111 Hilltown Village Ctr # 203, Chesterfield 63017 | (636) 530-1302 |
| Doss Development Corp 527 Spirit Of Saint Louis Blvd, Chesterfield 63005 | (636) 532-8383 |