| ID | Name | Type |
|---|---|---|
| #8181 | Krzysztof Piwowarczyk | + |
| #8182 | Krzysztof Wysocki | + |
| #8183 | Kuba Rozpruwacz | ? |
| #19269 | Kucsoft | P |
| #8184 | Kulor | ? |
| #8185 | Kuma Computers Ltd | A |
| #8186 | Kuniaki Moribe | ? |
| #8187 | Kurles | ? |
| #8188 | Kurt Goodwin | + |
| #8189 | Kurt Pfeiffer | + |
| #8190 | Kurt Windolf Westerland | + |
| #20774 | Kuvo | - |
| #8191 | Kuznetsov | + |
| #8192 | Kvant Soft | Z |
| #8193 | Kved | ? |
| #18179 | Kweepa | - |
| #8194 | Kwerty Software | Z |
| #22853 | Kwok Hung Tang | + |
| #8195 | Kybersoft | Z |
| #8196 | Kybso | ? |