| Business Name | Address | |
| Tri-State Lock Svc | Po Box 1176 Marshalltown, IA 50158 |
 |
| Larry'S Towing | 909 N 3rd Ave Marshalltown, IA 50158 |
|
| Superior Safe & Lock Co | 507 Main St # 2 Ames, IA 50010 |
|
| Ames A-1 Locksmiths | 422 Lincoln Way Ames, IA 50010 |
|
| Ames Lock & Security | 507 Main St # 2 Ames, IA 50010 |
|