There are several well-known film production companies based in Karnataka, primarily in the Kannada film industry. Some of them include:

1. **Hombale Films** – Known for blockbuster movies like *KGF* series, *Kantara*, and *Salaar*.

2. **Rockline Entertainments** – Produced films like *Super*, *Power*, and *Lingaa* (Tamil).

3. **PRK Productions** – Founded by the late actor Puneeth Rajkumar, known for films like *Kavalu Daari* and *Family Pack*.

4. **Dwarakish Chitra** – A legendary production house behind classics like *Apthamitra* and *Bhakta Prahlada*.

5. **Jayanna Combines** – Produced successful films like *Googly* and *Masterpiece*.