| Business | Phone |
| Murray Cellular 8713 Harford Rd, Parkville 21234 | (410) 882-3900 |
| Aaa Wireless 1959 E Joppa Rd, Parkville 21234 | (410) 882-6366 |
| First Class Paging & Cellular 8117 Harford Rd, Parkville 21234 | (410) 882-9200 |
| Wireless World Inc 2421 Cleanleigh Dr, Parkville 21234 | (410) 665-8255 |