| Business | Phone |
| Dayton Cash Register 912 N Main St, Dayton 45405 | (937) 461-0032 |
| Parson's Business Systems 1536 E 4th St, Dayton 45403 | (937) 223-1300 |
| Moyer's Data Systems 26 E Ridgeway Dr, Dayton 45459 | (937) 439-1144 |
| Midwest Business Machines Inc 2289 Patterson Rd, Dayton 45420 | (937) 254-2236 |