| Business | Phone |
| Howard Cnty Employment & Trng 10650 Hickory Ridge Rd # 200, Columbia 21044 | (410) 313-4600 |
| Howard County Animal Control 8576 Davis Rd, Columbia 21045 | (410) 313-2780 |
| Howard County Citizen Svc Dept 6751 Columbia Gateway Dr # 204, Columbia 21046 | (410) 313-6400 |
| Howard County Human Rights 6751 Columbia Gateway Dr, Columbia 21046 | (410) 313-6430 |
| Howard County Purchasing 6751 Columbia Gateway Dr # 501, Columbia 21046 | (410) 313-6370 |