| Business | Phone |
| A B Signal Systems 1264 Yolanda Dr, Columbus 43207 | (614) 497-3332 |
| Adi 2877 Silver Dr, Columbus 43211 | (614) 268-9070 |
| Alert Alarms Inc 480 S Grener Ave # D, Columbus 43228 | (614) 870-1088 |
| Alpha Protection Systems Inc 4147 E Main St, Columbus 43213 | (614) 236-3310 |
| Vector Security Inc 3687 Corporate Dr, Columbus 43231 | (614) 794-9740 |
| Blockwatch Security System Columbus 43214 | (614) 267-4555 |
| Shield Security Systems Inc 1727 E Long St, Columbus 43203 | (614) 253-3319 |
| Saturn/American Alarm Systems 6171 Huntley Rd # L, Columbus 43229 | (614) 882-3888 |
| Sdg Security 5988 E Livingston Ave, Columbus 43232 | (614) 236-1773 |
| Security Network Inc 1324 Dublin Rd, Columbus 43215 | (614) 486-2220 |
| Certified Burglar Alarm System 1482 Briarwood Ave, Columbus 43211 | (614) 262-2379 |
| Certified Systems 7142 Bride Water Blvd, Columbus 43235 | (614) 799-0878 |
| Rupert Security Systems 1148 Baumock Burn Dr, Columbus 43235 | (614) 848-4999 |
| Protection One Inc 400 Lazelle Rd # 23, Columbus 43240 | (614) 221-0347 |
| Crosswood Commons Lp Alarm 156 Hutchinson Ave, Columbus 43235 | (614) 436-4775 |
| Defender Security Co Columbus 43215 | (614) 280-1618 |
| Ohio Electronic Protection Inc 2172 Citygate Dr, Columbus 43219 | (614) 416-4477 |
| Executive Security Consultants 1350 W 5th Ave, Columbus 43212 | (614) 481-3222 |
| Federal Alarms Inc 1467 Runaway Bay Dr # 1b, Columbus 43204 | (614) 481-9818 |
| National Security Systems Columbus 43215 | (614) 563-8031 |
| Fire Alarm Pros 3697 Corporate Dr, Columbus 43231 | (614) 794-4962 |
| Fire Alarm Pros 6230 Busch Blvd, Columbus 43229 | (614) 985-6406 |
| Hitech Security Svc 1660 Francisco Rd, Columbus 43220 | (614) 442-0111 |
| Koorsen Fire & Security 727 Manor Park Dr, Columbus 43228 | (614) 878-2228 |
| J T Davidson & Co 1920 Northwest Blvd # 102, Columbus 43212 | (614) 488-7233 |