50 Lowest Graded Insurance Providers in the US, Ranked with the Lowest Graded First.
  1. Allstate
  2. State Farm
  3. The Hartford
  4. Unum
  5. Farmers / Zurich
  6. Lloyds
  7. Metlife
  8. Liberty Mutual
  9. American Family
  10. Auto-Owners
  11. Berkshire Hathaway (NICO)
  12. CNA
  13. Nationwide
  14. ACE Re
  15. Unitrin
  16. Mercury General
  17. Wellpoint Health
  18. GEICO
  19. Conseco
  20. Prudential
  21. Progressive
  22. Travelers
  23. State Auto
  24. California State Auto
  25. UnitedHealth
  26. Torchmark
  27. Blue Cross Blue Shield
  28. Grange
  29. Interins Exchange Auto
  30. CIGNA Health
  31. National Grange Mutual
  32. Harleysville
  33. Sentry
  34. Markel
  35. American Financial
  36. Bristol West
  37. Allmerica Financial
  38. Pennsylvania National
  39. Nationwide
  40. Shelter
  41. Tennessee Farmers
  42. Mutual Benefit
  43. Ohio Casualty
  44. California Casualty
  45. Central Companies
  46. Penn America
  47. Safeco
  48. Health Net
  49. Balboa
  50. Ace USA

Source: http://www.badfaithinsurance.org/indexdetaillist.html

 Largest Car Insurance Companies in the US in Terms of Market Share, Together with Their Ratings by Consumers
Company NameConsumer Rating
Geico:Read Customer Reviews
Farmers Insurance:Read Customer Reviews
State Farm Auto Insurance:Read Customer Reviews
AllState Auto Insurance:Read Customer Reviews
Progressive:Read Customer Reviews
Liberty Mutual:Read Customer Reviews

 

Source: https://www.consumeraffairs.com

 Largest Health Insurance Companies in the US in Terms of Market Share, Together with Their Ratings by Consumers
Company NameConsumer Rating
Kaiser Permanente Insurance:Read Customer Reviews
United Health Care:Read Customer Reviews
Humana Health Insurance:Read Customer Reviews
Aetna Health Insurance:Read Customer Reviews
Cigna Health Insurance:Read Customer Reviews

 

Source: https://www.consumeraffairs.com