There are several leading rating agencies including A.M. Best Company, Moody's, Standard and Poor's, and Dun and Bradstreet, among others.
AM Best is one of the most respected rating agencies for insurance companies.
The highest rating offered through AM Best is "A++" (Superior) and any insurer rated "A" (Excellent) or higher should be considered financially secure and able to pay their life insurance policy claims.
It's important to consider the rating of the insurer before choosing a life insurance company because you wnat to make sure the insurer will be able to pay a claim on your policy when the time comes.
Here is a list of the top rated life insurance companies including their AM Best financial strength ratings.