| ID | Name | Type |
|---|---|---|
| #10648 | Owen Brunette | + |
| #10649 | Owen C. Heinz | + |
| #10650 | Owen Davies | + |
| #10651 | Owen Lloyd | + |
| #10652 | Owen Stott | + |
| #10653 | Owl | ? |
| #17592 | Owl Technical Services | D |
| #10654 | Oxbridge Technology Ltd | Z |
| #10655 | Oxford Computer Publications Ltd | Z |
| #10656 | Oxford Computer Publishing | P |
| #10657 | Oxford Computer Systems | Z |
| #10658 | Oxford Digital Enterprises | Z |
| #10659 | Oxford Mobius | Z |
| #10660 | Oxford Software Group | Z |
| #10661 | Oxford Technologies | P |
| #10662 | Oxford University Press | Z |
| #10663 | Oxygen Software | Z |
| #21254 | Oy Hedengren Ab | P |
| #22436 | Oz Realms | P |
| #10664 | Oz Software | Z |