| Business | Phone |
| A-All Lock & Key Co Ballwin 63011 | (636) 227-8611 |
| A-Arrow Lock & Key Ballwin 63011 | (636) 227-0700 |
| All-Ways Open Lock & Key 417 Claymont Dr, Ballwin 63011 | (636) 386-5625 |
| C & R Lock & Key Svc Inc 14774 Clayton Rd, Ballwin 63011 | (636) 391-7966 |