| Business | Phone |
| Digital Computer Systems Inc 1829 N York St, Muskogee 74403 | (918) 687-3161 |
| Epoch Sales 1018 Gibson St, Muskogee 74403 | (918) 687-5826 |
| Nexus Computers Inc 2421 S York St # 8, Muskogee 74403 | (918) 682-0969 |
| Quality Data Products 501 N Main St # 70, Muskogee 74401 | (918) 683-5557 |