| Business | Phone |
| Commercial Communication Co 7560 Bluebonnet Blvd, Baton Rouge 70810 | (225) 769-1236 |
| Emco Technologies 8900 S Choctaw Dr, Baton Rouge 70815 | (225) 925-8900 |
| Tri-Parish Radio Communication 7530 E Industrial Dr, Baton Rouge 70805 | (225) 928-4151 |