| Business | Phone |
| Security Systems & Svc 504 Washington St, Monroe 71201 | (318) 388-0110 |
| Halla Communications Inc 804 S 16th St, Monroe 71202 | (318) 388-1951 |
| Mallett's Telephone & Elctrncs 3012 Armand St, Monroe 71201 | (318) 387-7007 |
| Teelco Inc 3012 Armand St, Monroe 71201 | (318) 387-8335 |
| Turner Teleco Inc 1004 N 19th St, Monroe 71201 | (318) 323-7113 |
| Vicom 1102 N 7th St, Monroe 71201 | (318) 322-5788 |