| Business | Phone |
| Bristol Sounds Disc Jockeys Ellicott City 21042 | (410) 750-2424 |
| Bristol Sounds Inc 2310 Ridge Tree Ct, Ellicott City 21042 | (410) 992-8244 |
| D J Doug Sandler 5105 Crestfield Ct, Ellicott City 21043 | (410) 461-5500 |
| Electra Entertainment 4265 Lilac Ln, Ellicott City 21042 | (410) 461-2557 |
| Sound Graphics D Js Ellicott City 21043 | (410) 461-7875 |