Publishers
| Company name | Sector | Additional information |
|---|---|---|
| Bergmoser + Höller Verlag AG | Producer of teaching materials | |
| Cornelsen Experimenta GmbH | Producer of teaching materials | |
| Hueber Verlag GmbH & Co. KG | Publisher | |
| K.G. Saur Verlag, Imprint derWalter de Gruyter GmbH & Co. KG | Publisher | |
| Max Niemeyer Verlag, Imprint derWalter de Gruyter GmbH & Co. KG | Publisher | |
| Mouton de Gruyter, Imprint derWalter de Gruyter GmbH & Co. KG | Publisher | |
| REBEAT Digital GmbH | Music publisher | |
| Stiftung Warentest | Service institution |
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| Walter de Gruyter GmbH & Co. KG | Science-publisher | Case Report |