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On May 15, 1851, MassMutual started with a single room and a single purpose — to help people protect their family and their future.




About MassMutual

Since 1851, MassMutual1 has grown and thrived - surviving wars, depressions, recessions and changing market conditions. Throughout, our main focus has never wavered. We help people like you take the next step toward a more secure financial future.

1MassMutual Financial Group is a marketing name for Massachusetts Mutual Life Insurance Company (MassMutual) and its affiliated companies and sales representatives.

Insurance products issued by Massachusetts Mutual Life Insurance Company (MassMutual), 1295 State Street, Springfield, MA 01111-0001 and its subsidiaries C.M. Life Insurance Company and MML Bay State Life Insurance Company, 100 Bright Meadow Boulevard, Enfield, CT 06082.


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Annual & Corporate Responsibility Report

Our Headquarters

1295 State Street
Springfield, MA 01111-0001
(800) 767-1000


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© 2014 Massachusetts Mutual Life Insurance Company, Springfield, MA 01111-0001. All rights reserved.