| Business | Phone |
| Tlr Security Svc Inc 1803 Smith St, North Providence 2911 | (401) 354-0004 |
| Industrial Security Inc 58 Waterman Ave, North Providence 2911 | (401) 231-8130 |
| Reliable Security 1845 Smith St # 7, North Providence 2911 | (401) 353-0405 |
| Rhode Island State Security 1830 Mineral Spring Ave, North Providence 2904 | (401) 353-8256 |