CoreCivic
G4S Secure Solutions
HCA Healthcare
Tenet Healthcare
Serco
Corizon
Albertsons
USAA
Northern Trust
Centene Corporation
Walmart
Maximus Inc.
Humana
American institutional facilities company
geogroup.com
The GEO Group, Inc. is a publicly traded C corporation that invests in private prisons and mental health facilities in the United States, Australia, South Africa, and the United Kingdom. Wikipedia
More on Yahoo Finance