| PSC | Description |
|---|---|
| 7420 | Accounting and Calculating Machines |
| 7430 | Typewriter and Office Type Composing Machines |
| 7435 | Office Information System Equipment |
| 7450 | Office Type Sound Recording Reproducing Machines |
| 7460 | Visible Record Equipment |
| 7490 | Miscellaneous Office Machines |