| Business | Phone |
| S & T Security Group Inc 600 Reisterstown Rd # 210, Pikesville 21208 | (410) 653-1752 |
| Ces Security 115 Mchenry Ave, Pikesville 21208 | (443) 471-7000 |
| Force One Investigations 600 Reisterstown Rd, Pikesville 21208 | (410) 486-8416 |
| Interstate Supply Co 1217 Greenwood Rd, Pikesville 21208 | (410) 484-5966 |