| Business | Phone |
| Smart Computers 1502 Woodlawn Dr, Gwynn Oak 21207 | (410) 944-4444 |
| Kis Systems Inc Gwynn Oak 21207 | (410) 298-2001 |
| Lanier Worldwide Inc 6601 Windsor Mill Rd, Gwynn Oak 21207 | (410) 944-5840 |
| Technolgy Marketing Inc Gwynn Oak 21207 | (410) 298-9688 |