Affiliate Health Corporations 
Southern Health-Santé Sud works in partnership with facilities, also known as Affiliate Health Care Corporations within the Southern Health-Santé Sud region.
- Crystal City/Pilot Mound – Rock Lake Health District
- Grunthal – Menno Home for the Aged
- Morden – Tabor Home Inc.
- Niverville – Heritage Life Personal Care Home
- Pilot Mound – Prairie View Lodge
- Ste. Anne – Villa Youville Inc.
- Steinbach – Rest Haven Care Home
- Winkler – Eden Health Care Services
- Winkler – Salem Home Inc.