Factors that determined the Mentoring specialty list:
- Percentage of senior leaders participating in formal mentoring
- Percentage of mentees promoted in 2019
- Percentage of high potentials who have a mentor
- Diversity representation of mentees & mentors

- Eli Lilly and Company
- Abbott
- AT&T
- EY
- PwC
- ADP
- Boeing Company
- Hilton
- AbbVie
- Johnson & Johnson
- General Motors
- Northrop Grumman
- Marriott International
- Wells Fargo
- Mastercard
- The Hershey Company
- Ecolab
- Sodexo
- Comcast NBCUniversal
- TD Bank
- Accenture
- Humana