| Business | Phone |
| A & P Alarm & Communications 3804 Inwood Dr, Harvey 70058 | (504) 340-3988 |
| Eagle Electronic Security Syst 2072 Bonn St, Harvey 70058 | (504) 340-1414 |
| Le Blanc's Alarm Systems 3827 Spencer St, Harvey 70058 | (504) 340-4294 |
| Securtec Systems Po Box 1174, Harvey 70059 | (504) 361-1917 |