As of my last knowledge update in October 2021, here are several aged care companies that operate in Australia. Please verify their current status, as the industry may have changed since then:
1. **Aged Care Services Australia (ACSA)**
2. **Bupa Aged Care**
3. **Estia Health**
4. **Japara Healthcare**
5. **Southern Cross Care**
6. **Carinity**
7. **Regis Aged Care**
8. **Integra Aged Care**
9. **BlueCare**
10. **Anglicare**
11. **Argyle


