| Business | Phone |
| Willo Security Inc 1384 Grandview Ave, Columbus 43212 | (614) 481-9456 |
| A & B Security Svc Inc 3763 April Ln, Columbus 43227 | (614) 235-7885 |
| Allied Security 471 E Broad St # 1308, Columbus 43215 | (614) 225-9061 |
| Vognisa Security 4600 International Gtwy, Columbus 43219 | (614) 231-7080 |
| Aset Protection Specialists 225 Graceland Blvd, Columbus 43214 | (614) 888-2738 |
| U S Security Assoc Inc 1350 W 5th Ave # 330, Columbus 43212 | (614) 488-6110 |
| United Security Management 4400 N High St # 204, Columbus 43214 | (614) 438-4183 |
| Browning Group 1215 Polaris Pkwy # 163, Columbus 43240 | (614) 476-1115 |
| St Moritz Security 3033 Sullivant Ave, Columbus 43204 | (614) 351-8798 |
| Cauley Detective Agency 1441 Stelzer Rd, Columbus 43219 | (614) 476-6400 |
| Security America Inc 1565 Bethel Rd # 200, Columbus 43220 | (614) 459-1276 |
| Security Risk Management 695 Bryden Rd, Columbus 43205 | (614) 224-3100 |
| Security Strategies Unltd 1029 Dublin Rd # 201, Columbus 43215 | (614) 481-8820 |
| Cognisa Security 265 Lincoln Cir # B, Columbus 43230 | (614) 418-5991 |
| Rhiel & Assoc Columbus 43215 | (614) 232-9306 |
| Contronics Systems Of Ohio 3599 Refugee Rd, Columbus 43232 | (614) 338-8669 |
| Countywide Security 4181 Portobello Dr, Columbus 43230 | (614) 418-9835 |
| Ohio Support Svc Corp 1291 S High St, Columbus 43206 | (614) 443-0291 |
| Event Services Inc 400 N High St, Columbus 43215 | (614) 629-5090 |
| First Choice Security Inc 197 E Broad St, Columbus 43215 | (614) 206-4424 |
| Global One Security 2246 S Hamilton Rd, Columbus 43232 | (614) 501-8490 |
| Global One Security & Invstgtn 171 E Livingston Ave, Columbus 43215 | (614) 884-1122 |
| Global Security 390 Dublin Ave, Columbus 43215 | (614) 228-5980 |
| Golden Rule Svc 4752 Arlington Centre Blvd, Columbus 43220 | (614) 457-8955 |
| Guardsmark Inc 6161 Busch Blvd # 201, Columbus 43229 | (614) 433-9506 |
| Initial Security 1335 Dublin Rd, Columbus 43215 | (614) 487-9653 |