| ID | Name | Type |
|---|---|---|
| #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 |
| #10665 | Ozturk Aker | + |
| #19225 | Ozzyoss Software | P |
| #17593 | P Baldwin | S |
| #20488 | P Scraton | + |
| #17594 | P&J Enterprises | R |
| #10666 | P&M Designs | Z |
| #10667 | P&M Software | Z |
| #19548 | P. A. Davey | + |
| #10668 | P. Acunzo | + |
| #21945 | P. Anderson | P |
| #10669 | P. Baker | + |
| #10670 | P. Bates | + |
| #10671 | P. Bingham | + |
| #10672 | P. Boulton Software | Z |