1. The Walt Disney Company

2. University of California, Irvine

3. County of Orange

4. St. Joseph Health

5. Kaiser Permanente

6. Albertsons

7. Target Corp.

8. Walmart Inc.

9. Hoag Memorial Hospital Presbyterian

10. The Boeing Company

11. Memorial Care Health System

12. California State University, Fullerton

13. Bank of America Corp.

14. Edwards Life Sciences

15. Parker Aerospace

16. Allied Universal

17. Home Depot Inc.

18. The Irvine Company

19. Cedar Fair LP

20. UnitedHealth Group Inc.