Skip to content Skip to sidebar Skip to footer



Tower Group Companies is a provider of property and casualty insurance products and services in the U.S. Through its insurance company subsidiaries, Tower provides personal and commercial insurance for small to medium-sized businesses through its network of retail and wholesale agents across the country.

Capitalizing on our expanding reach.

While Tower has maintained its roots and headquarters in New York’s Financial District since our founding in 1990, we write business in all 50 states and the District of Columbia and internationally through its designated representatives in Bermuda. The company’s employees work in 20 offices throughout the U.S.

Responding to the needs of producers and policyholders.

In addition to offering a wide range of products and services for different industries and individual customers, Tower works closely with agents to create new products and services in response to changing market conditions and opportunities. Tower handles claims quickly, fairly, and professionally – and can tailor claims programs to meet policyholders' special needs.

Tower Group International, Ltd. (Tower) is a Bermuda-based global specialty holding company whose insurance subsidiaries are focused on providing commercial, personal and specialty insurance and reinsurance products and are rated A- (excellent) by A.M. Best. Tower Group International, Ltd. is listed on the NASDAQ Global Select Market under the symbol TWGP.

Tower’s insurance subsidiaries are recognized throughout our industry for our innovative and responsive approach to business, exceptional underwriting performance, financial strength and stability. Through our insurance subsidiaries in the U.S., collectively referred to as Tower Group Companies, we deliver a broad range of product lines across various industries using multiple distribution channels in select market segments. Specifically, we provide personal insurance products to individuals and commercial insurance products to small to medium-sized businesses through a dedicated team of retail and wholesale agents. We also offer specialty products on an admitted and non-admitted basis, as well as through a network of program underwriting agents.

Our Companies
Our insurance group in North America, Tower Group Companies conducts business through the following companies:

Tower Insurance Company of New York (operating as Tower Select Insurance Company in California)
Tower National Insurance Company
Hermitage Insurance Company
Preserver Insurance Company
North East Insurance Company
CastlePoint Insurance Company
CastlePoint Florida Insurance Company
CastlePoint National Insurance Company
Kodiak Insurance Company
Massachusetts Homeland Insurance Company
York Insurance Company of Maine
CastlePoint Management Corp.
Tower Risk Management Corp.
Adirondack AIF, LLC*   
New Jersey Skylands Management, LLC*
The Tower Difference

For over 20 years, we have provided financial stability to our customers by making sound business decisions and by posting consistently strong financial results. Our strength is reflected in our rating of A-(Excellent) from A.M. Best**


We meet the needs of an extensive base of customers by offering a broad product platform, which spans a growing selection of customized commercial and personal lines products.


We continuously evaluate and respond to changing market dynamics so we can quickly address the evolving needs of our producers, effectively meet market challenges, and take advantage of emerging business opportunities. This practice enables us to employ a demand-driven approach to product development that yields customized solutions and excellent service for our producers and policyholders.

*Adirondack and New Jersey Skylands management companies are the attorneys-in-fact for Adirondack Insurance Exchange , a New York reciprocal insurer, Mountain Valley Indemnity Company, a New Hampshire insurer; and, New Jersey Skylands Insurance Association, a New Jersey reciprocal insurer, and its New Jersey domiciled stock insurance subsidiary, New Jersey Skylands Insurance Company.

about tower groupt international