| Business | Phone |
| Aaa Mid Atlantic 1305 W 7th St, Frederick 21702 | (301) 663-4161 |
| Antietam Travel Svc Inc 2190 Old Farm Dr, Frederick 21702 | (301) 662-8080 |
| Cable's Cruises 8605 Pinecliff Dr, Frederick 21704 | (301) 694-3063 |
| Cruise Holidays 1306 W Patrick St, Frederick 21703 | (301) 631-1300 |
| Hunter Travel Corp 7310 Grove Rd, Frederick 21704 | (301) 695-5144 |
| Pegasus Cruises Llc 3632 Byron Cir, Frederick 21704 | (301) 874-1808 |
| Welcome Aboard Travel 1301 W Patrick St, Frederick 21702 | (301) 662-7477 |