| Business | Phone |
| Systems Technology 1342 4th Ave N, Fargo 58102 | (701) 235-0558 |
| Spy Shop 1100 19th Ave N, Fargo 58102 | (701) 239-7000 |
| Safe-Guard Alarm System Inc 4301 76th Ave S, Fargo 58104 | (701) 282-7777 |
| Echelon Corp 300 45th St Sw, Fargo 58103 | (701) 356-3300 |
| Electronic Communications 3739 38th St Sw, Fargo 58104 | (701) 492-6267 |
| Energy Tech Svc Inc 1435 1st Ave N, Fargo 58102 | (701) 232-6611 |
| Fire Fighter & Detect Alarm Fargo 58103 | (701) 232-1713 |
| Midwest Investigation & Scrty 3012 Dakota Park Cir S, Fargo 58104 | (701) 235-2595 |