| ID | Name | Type |
|---|---|---|
| #19283 | Jupiter | - |
| #7749 | Jupiter Cantab | ? |
| #19084 | Jupiter Software | Z |
| #7750 | Jupiter77 | ? |
| #7751 | Jura | ? |
| #19903 | Juraj Maxon | + |
| #20195 | Juraj Sústrik | + |
| #7753 | Jure Spiler | ? |
| #7754 | Jurgen Elsing | + |
| #7755 | Jurgen Groh | + |
| #7756 | Jurgen Molt | + |
| #7758 | Jurgen Schumpich GmbH | Z |
| #7759 | Jurgen Ziewe | + |
| #20194 | Juro Hlaváč | + |
| #7760 | Jury Nikolskiy | + |
| #7761 | Jusoft | Z |
| #17390 | Just-Ed | B |
| #7762 | JustClaws | ? |
| #7763 | Justin Middleton | + |
| #22081 | Justin Moffat | + |