| Business | Phone |
| Library Development & Svc Div 200 W Baltimore St, Baltimore 21201 | (410) 333-2113 |
| Maryland Library Assoc 400 Cathedral St, Baltimore 21201 | (410) 727-7422 |
| Md Office Of Planning Library 301 W Preston St # 1101, Baltimore 21201 | (410) 767-4458 |