| Business | Phone |
| Honorable Dennis M Sweeney 8360 Court Ave # 434, Ellicott City 21043 | (410) 313-2149 |
| Honorable Diane O Leasure 8360 Court Ave, Ellicott City 21043 | (410) 313-2066 |
| Honorable James B Dudley 8360 Court Ave, Ellicott City 21043 | (410) 313-2145 |
| Howard County Adm Dept 3430 Court House Dr, Ellicott City 21043 | (410) 313-2020 |
| Howard County Budget Office 3430 Court House Dr # 3, Ellicott City 21043 | (410) 313-2077 |
| Howard County Elections Board 8659 Baltimore National Pike, Ellicott City 21043 | (410) 313-2727 |
| Howard County Extension Svc 3525 Ellicott Mills Dr # L, Ellicott City 21043 | (410) 313-2707 |
| Howard County Human Resources 3430 Court House Dr, Ellicott City 21043 | (410) 313-2034 |
| Howard County Inspections Dept 3430 Court House Dr, Ellicott City 21043 | (410) 313-2433 |
| Howard County Jury Duty Info 8360 Court Ave, Ellicott City 21043 | (410) 313-4462 |
| Howard County Planning Dept 3430 Court House Dr, Ellicott City 21043 | (410) 313-2350 |