| Business | Phone |
| Chesapeake Communications Grp 17 Pinewood St, Annapolis 21401 | (410) 224-9737 |
| Ctb Government Relations 61 Cornhill St, Annapolis 21401 | (410) 216-7880 |
| Gally Public Affairs 75 Franklin St, Annapolis 21401 | (410) 990-0069 |
| Holland Lines 110 Severn Ave, Annapolis 21403 | (410) 263-9446 |
| Kenefick Communications 141 E Lake Dr, Annapolis 21403 | (301) 261-2344 |
| Nelson Welch Partners Events 234 1/2 Prince George St, Annapolis 21401 | (410) 268-2555 |
| P R People 1 Ritchie Rd, Annapolis 21401 | (410) 757-2753 |
| State Circle Assoc 191 Main St # 200, Annapolis 21401 | (410) 269-4100 |
| Union Communication Svc Inc 165 Conduit St, Annapolis 21401 | (301) 858-6700 |