International Marine Underwriters (IMU) is headquartered in New York City and offers ocean marine solutions for hull, marine liabilities, and private-pleasure yachts, as well as ocean cargo.

Robert Gallagher, president of IMU, said: This partnership with Southern Marine & Aviation will provide synergies and complement the other lines of business we write. In addition, combining the two books of ocean cargo business will position IMU as a market leader in the US.