| Business | Phone |
| Army National Guard Recruting 4244 Montgomery Rd, Ellicott City 21043 | (410) 465-5000 |
| Ellicott City National Guard 4244 Montgomery Rd, Ellicott City 21043 | (410) 465-5003 |
| Military Dept 4244 Montgomery Rd, Ellicott City 21043 | (410) 465-5004 |
| National Guard 4244 Montgomery Rd, Ellicott City 21043 | (410) 465-5002 |