| Business | Phone |
| 133 Communications 6011 University Blvd # 210, Ellicott City 21043 | (410) 461-5461 |
| In Touch Communications Llc 8480 Baltimore Ntnl Pike # 426, Ellicott City 21043 | (410) 418-4811 |
| Marconi Communications 3545 Ellicott Mills Dr, Ellicott City 21043 | (410) 203-1242 |