| Business | Phone |
| Maryland Marketing Inc Towson 21286 | (410) 821-6213 |
| Mc Menamin Communication Inc 305 Washington Ave, Towson 21204 | (410) 494-9446 |
| Media Networks Inc 100 West Rd, Towson 21204 | (410) 825-5700 |
| Mentzer Media Svc 600 Fairmount Ave # 306, Towson 21286 | (410) 825-7034 |
| Richard Marron Advertising Towson 21286 | (410) 296-8995 |
| Beacon & Fey 8320 Bellona Ave, Towson 21204 | (410) 583-1237 |
| Beckett Klay 518 Virginia Ave # 3, Towson 21286 | (410) 825-6890 |
| Breakthrouth Group 200 E Joppa Rd # 205, Towson 21286 | (410) 783-4600 |
| Carter & Hart Advertising 110 West Rd, Towson 21204 | (410) 825-5666 |
| Devaney & Assoc Inc 606 Providence Rd, Towson 21286 | (410) 296-0800 |
| Genesis Publishing 7600 York Rd, Towson 21204 | (410) 823-5790 |
| Hatter & Co 403 Allegheny Ave # 2, Towson 21204 | (410) 321-6207 |