| Business | Phone |
| Alliance Security 60 Southern Ave, Dorchester 2124 | (617) 288-1720 |
| Alpha Security Patrol 7 Faulkner St, Dorchester 2122 | (617) 436-7960 |
| Us Army Junior Rotc 9 Peacevale Rd, Dorchester 2124 | (617) 265-0121 |
| Securitas Security Svc Usa Inc 200 Mount Vernon St, Dorchester 2125 | (617) 474-6527 |
| New World Securities Assoc Inc 530 Warren St, Dorchester 2121 | (617) 427-0707 |
| Madsen Security Assoc 162 Seaver St, Dorchester 2121 | (617) 442-5551 |
| Harbour Point Police 40 Westwind Rd, Dorchester 2125 | (617) 282-9971 |