| ID | Name | Type |
|---|---|---|
| #6743 | JVR | ? |
| #6744 | JWE Software | Z |
| #6745 | JXER | ? |
| #19251 | JZ Ponych | P |
| #6746 | Jaal | ? |
| #6747 | Jaan | ? |
| #20078 | Jaat | Z |
| #6748 | Jabba Severn | - |
| #6749 | Jabberwocky Software | P |
| #19203 | Jace | - |
| #6750 | Jacek Dtugopolski | + |
| #6751 | Jacek Kucharski | + |
| #6752 | Jacek Mering | + |
| #6753 | Jacek Michalak | + |
| #6754 | Jacek Michalak Software | Z |
| #16182 | Jacek Michalak and the Cat-Man | Z |
| #6755 | Jacek Potempa | + |
| #6756 | Jacek Przychodzen | + |
| #6757 | Jack A. Lockerby | + |
| #6758 | Jack B. Rochester | + |