Liberty International Underwriters, also known as LIU, is a division of Liberty Mutual Group. It is a global specialty lines business that distributes insurance products through an independent network of brokers. The company operates offices in Atlanta, Boston, Chicago, Houston, Los Angeles, New York, Miami, Seattle and San Francisco. Additionally, Liberty International Underwriters maintains offices in Toronto, Montreal, London, Paris, Hong Kong and Singapore. Liberty Mutual Group is one of the largest property and casualty insurers in the United States. The group employs more than 40,000 people in over 900 offices throughout the world. Liberty International Underwriters has a location in Dallas.