Middlesex Mutual Assurance Company

Middlesex Mutual Assurance underwrites and provides business and individual property/casualty insurance to its customers in the eastern US. Along with its sister company Holyoke Mutual, it operates under the MiddleOak brand of auto, homeowners, umbrella, flood, watercraft, and specialty insurance. The company's policies are sold and serviced by a network of independent agencies across New England, including New York. The company has a reinsurance pooling agreement with COUNTRY Mutual (in which the companies pool premiums and expenses). Middlesex Mutual Assurance was founded as a fire insurer in 1836.