| Business | Phone |
| A D Sonbert Security Systems 505 Harvey St, Winston Salem 27103 | (336) 768-0388 |
| Carolina Alarm Inc 2451 W Clemmonsville Rd # B, Winston Salem 27127 | (336) 774-1088 |
| Commercial Sound Inc 114 Fayette St, Winston Salem 27101 | (336) 724-5992 |
| Scottish Security & Electric 2721 Lockwood Dr, Winston Salem 27103 | (336) 774-1403 |
| Robinson Security 3101 Maplewood Ave, Winston Salem 27103 | (336) 765-9293 |
| Progressive Security Inc Winston Salem 27105 | (336) 767-4113 |
| Proguard Systems Inc 395 Spring Dr, Winston Salem 27107 | (336) 769-4348 |
| Psi 1365 Westgate Center Dr # K2, Winston Salem 27103 | (336) 659-7140 |
| Radar Security Inc 319 N Spring St, Winston Salem 27101 | (336) 722-1593 |
| Piedmont Protective Svc 1447 Trade Mart Blvd # A, Winston Salem 27127 | (336) 855-3334 |
| General Security 5519 Gumtree Rd, Winston Salem 27107 | (336) 273-3785 |
| Fire Alarm Lines For Winston 301 N Main St, Winston Salem 27101 | (336) 703-0284 |