Massachusetts Mutual Life Insurance Company, also known as MassMutual, is headquartered in Springfield, Mass. The company provides a portfolio of products and services, including mutual funds, money management, trust services, retirement planning products, life insurance, annuities, disability income insurance and long-term care insurance. As a Fortune 100 company, MassMutual has a long history of financial strength. The company s blue-chip financial position is underscored by financial strength ratings that are among some of the best in the insurance industry. MassMutual is a subsidiary of The MassMutual Financial Group. The MassMutual Financial Group is a global, diversified financial services organization. The firm s family of companies' employs nearly 27,000 people and sales representatives throughout the world serving nearly 13 million clients. Massachusetts Mutual Life Insurance Company has a branch located in Pittsburgh, where it employs nearly 100 people.