John Ballard

Little Co. of Mary Health Care Ltd. operates hospitals. It provides acute health care services through private and public hospital facilities. The firm also offers retirement living and residential aged care, community care, palliative care, sub acute, trustee, and home care services, as well as leases properties. The company was founded by Mary potter and Rosser Brigid in 1885 and is headquartered in Port Augusta, Australia.

The Congregation of Religious Sisters of Charity of Australia is a charity organization that provides charity services. The private company is based in Darlinghurst, Australia. and has subsidiaries in Australia. The Australian company was founded in 2000.

St Vincent's Health Australia Ltd. provides health and aged care services. It offers general and specialist medical and surgical services, including heart and lung transplantation, bone marrow transplantation, cardiology, cancer, acquired immune deficiency syndrome/HIV, respiratory medicine, mental health, and drug and alcohol services and medical rehabilitation, aged care psychiatry, support groups, and outreach programs. The company was founded by Mary Aikenhead in 1857 and is headquartered in Darlinghurst, Australia.

Mater Misericordiae Ltd. provides health care services. The company is based in South Brisbane, Australia. and has subsidiaries in Australia. The Australian company was founded in 1906. Peter Steer has been the CEO of the company since 2019.