| Business | Phone |
| Computer Corp Of America 3104 Lord Baltimore Dr, Windsor Mill 21244 | (410) 298-6044 |
| Computer Sciences Corp 3217 Lord Baltimore Dr, Windsor Mill 21244 | (410) 448-4557 |
| Connected Resource 2520 Lord Baltimore Dr # A, Windsor Mill 21244 | (410) 944-6200 |
| Crest Computer Svc 7 Kingcrest Ct, Windsor Mill 21244 | (410) 277-3456 |