| Business | Phone |
| Global Harvest Networks 1303 Circle Dr, Arnold 21012 | (410) 975-9833 |
| Ibci 860 Mill Creek Rd, Arnold 21012 | (410) 647-0548 |
| Ron Shurie Jr 350 River Rd, Arnold 21012 | (410) 544-2655 |
| Vital Networks Inc 404 Stewart Ave, Arnold 21012 | (410) 544-4432 |