| Business | Phone |
| Brown's Security Inc 3007 Knight St 105, Shreveport 71105 | (318) 219-3264 |
| Csi Investigations Inc 139 Carroll St, Shreveport 71105 | (318) 869-2222 |
| Vantronics Security Systems 9706 Saint Vincent Ave, Shreveport 71106 | (318) 869-4000 |
| Whitaker Electronics 11821 Greenwood Springridge Rd, Shreveport 71129 | (318) 222-2288 |