Based on A.M. Best's analysis, 000442 - Grinnell Mutual Reinsurance Company is the AMB Ultimate Parent and identifies
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A.M. Best Revises Issuer Credit Rating Outlook to Positive for Grinnell Mutual Reinsurance Company and Its Subsidiary
February 06, 2018
A.M. Best has provided ratings & analysis on this company since 1950.
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