# Group Companies & Partnerships

> Companies under Internetten Bilişim A.Ş. working in distribution, software, e-signature and logistics.

- [Internetten Bilişim A.Ş.](https://internetten.com.tr/en/group-companies/internetten-bilisim.md): Parent company of Internetten Teknoloji, Cetvel Yazılım, Sign Bilişim and Wislog Lojistik.
- [Internetten Teknoloji San. Tic. Ltd. Şti.](https://internetten.com.tr/en/group-companies/internetten-teknoloji.md): Sells network hardware through wi.com.tr and develops WiPoint, Syslog, WiMap, Metrik and carecode.
- [Cetvel Yazılım A.Ş.](https://internetten.com.tr/en/group-companies/cetvel-yazilim.md): Developer of Cetvel CRM and accounting, WiRadius subscriber management and WiChat.
- [Sign Bilişim ve Sanayi A.Ş.](https://internetten.com.tr/en/group-companies/sign-bilisim.md): Developer of Sign, where documents are signed in PAdES format with a Turkish ID card or a qualified electronic certificate.
- [Wislog Lojistik Ltd. Şti.](https://internetten.com.tr/en/group-companies/wislog-lojistik.md): Logistics company partly owned by Internetten Bilişim A.Ş., offering express cargo, international shipping and warehousing.

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Canonical: https://internetten.com.tr/en/group-companies