| Business | Phone |
| Asa Computer Guys Po Box 5366, Buffalo Grove 60089 | (847) 590-9250 |
| Debtech 4 Cobblestone Ct, Buffalo Grove 60089 | (847) 459-9850 |
| Computer Guy Buffalo Grove 60089 | (847) 215-6631 |
| Computer Md Inc 1401 Margate Dr, Buffalo Grove 60089 | (847) 634-1881 |