The following is a list of the insurance companies in the OneBeacon Insurance Group, Ltd. As required by law, the last columns note whether the company has a certificate of authority in California and/or Massachusetts. If licensed in California, the certificate number is noted as required by section 702 of the California Insurance Code. OneBeacon conducts business in all 50 states. In Rhode Island, the company operates under the OBI Insurance brand.
| Underwriting Company | California Certificate of Authority | Massachusetts License Status |
|---|---|---|
| ATLANTIC SPECIALTY INSURANCE COMPANY | 4650-8 | Licensed |
| HOMELAND INSURANCE COMPANY OF NEW YORK | Unlicensed | Unlicensed |
| HOUSTON GENERAL INSURANCE COMPANY | n/a | n/a |
| ONEBEACON AMERICA INSURANCE COMPANY | 2038-8 | Licensed |
| ONEBEACON INSURANCE COMPANY | 1508-1 | Licensed |
| ONEBEACON MIDWEST INSURANCE COMPANY | n/a | Licensed |
| POTOMAC INSURANCE COMPANY | n/a | n/a |
| THE CAMDEN FIRE INSURANCE ASSOCIATION | 0276-6 | n/a |
| THE EMPLOYERS' FIRE INSURANCE COMPANY | 1051-2 | Licensed |
| THE NORTHERN ASSURANCE COMPANY OF AMERICA | 3226-8 | Licensed |
| TRADERS & GENERAL INSURANCE COMPANY | n/a | n/a |
The mailing address for all OneBeacon companies is:
150 Royall Street
Canton, MA 02021
The address of the principal place of business for all OneBeacon companies is:
601 Carlson Parkway
Suite 600
Minnetonka, MN 55305