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The Hartford Steam Boiler Inspection and Insurance Company  (?)
A.M. Best #: 000465      NAIC #: 11452      FEIN #: 060384680
Mailing Address
One State Street P.O. Box 5024
Hartford, CT 06102-5024
Phone: 860-722-1866
Fax: 860-722-1881
Domiciliary Address
One State Street
Hartford, Connecticut 06102-5024
United States

Assigned to insurance companies that have, in our opinion, a superior ability to meet their ongoing insurance obligations.

Based on A.M. Best's analysis, 085011 - Munich Reinsurance Company is the AMB Ultimate Parent and identifies the topmost entity of the corporate structure. View a list of operating insurance entities in this structure.
 Best's Credit Ratings
 Financial Strength Rating  View Definition
Rating:   A++ (Superior)
Financial Size Category:  
X ($500 Million to $750 Million)
Outlook:   Stable
Action:   Affirmed
Effective Date:    February 05, 2016
Initial Rating Date:    June 30, 1922
 Long-Term Issuer Credit Rating     View Definition 
Long-Term:   aa+
Outlook:   Stable
Action:   Affirmed
Effective Date:   February 05, 2016
Initial Rating Date:    April 06, 2005
 Best's Credit Rating Analyst
Rating Issued by: A.M. Best Rating Services, Inc.
Senior Financial Analyst: Susan Molineux
Assistant Vice President: Greg Reisner

 Disclosure Information
 Rating History
A.M. Best has provided ratings & analysis on this company since 1922.
 Financial Strength 
Effective DateRating
 Long-Term Issuer Credit
Effective DateRating
 2/5/2016 aa+
 2/6/2015 aa+
 10/25/2013 aa+
 10/17/2012 aa+
 10/12/2011 aa+
 Related Financial and Analytical Data
The following links provide access to related data records that A.M. Best utilizes to provide financial and analytical data on a consolidated or branch basis.

AMB #Company NameCompany Description
003961 Hartford Steam Boiler Group (SG)
Rating Unit
Represents the A.M. Best Consolidated financials for the Property/ Casualty business of this legal entity.
 AMB Credit Reports

AMB Credit report AMB Credit Report  - includes Best's Financial Strength Rating and rationale along with comprehensive analytical commentary, detailed business overview and key financial data.
Report Revision Date: 7/11/2016 (represents the latest significant change).
AMB Credit report Historical Archive Historical Reports are available in AMB Credit Report Archive.

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