About Us

The primary purpose of Mitsui Sumitomo Marine Management (U.S.A.), Inc. (MSMM) is to manage the business affairs of two insurance companies: Mitsui Sumitomo Insurance Company of America and Mitsui Sumitomo Insurance USA Inc.

Our organization is structured in a manner that allows our service professionals to work hand-in-hand with our insured and producers to create coverage and service plans unique to each client. The resulting programs are geared toward the proper implementation of sound risk management procedures which lead to the effective management of exposures to loss, loss costs and total premium expense.

The U.S. member insurers of the Mitsui Sumitomo Insurance Group (MSIG) are wholly-owned subsidiaries of Mitsui Sumitomo Insurance Company, Limited, which is among the world's top property and casualty insurance companies. MSIG's U.S. operation is part of a global network of operations located in more than 36 countries, with its parent company located in Japan. Effective as of 4-1-07, Mitsui Sumitomo Insurance Company of America and Mitsui Sumitomo Insurance U.S.A., Inc. are rated A+ (Superior) by A.M. Best Company and specialize in providing commercial property and casualty insurance products and services to its customers in the United States. MSIG also offers risk management services consisting of loss control, claims administration and rehabilitation services, along with personal illness insurance services. For the latest rating information, access www.AMBEST.com