- J.P. Morgan
- Jacksboro Healthcare Center
- Jacksonville University
- JAG Healthcare Group Inc.
- JAMA
- JAMA Internal Medicine
- JAMA Network Open
- JAMDA
- James Square Health and Rehabilitation Centre
- Jefferies
- Jefferson Health
- Jewish Home Family
- Jewish Home Lifecare
- Jewish Senior Living Group
- JLL
- JMD Healthcare
- JMD Healthcare Solutions
- Joerns
- John Knox Village
- Johns Hopkins
