Sompo International acquired Lexon Surety Group on June 1, 2018. Now one of the 10 largest surety companies in the U.S. marke ... tplace, Sompo International utilizes a nationwide network of independent agents and brokers and our surety products are available in 50 states, Washington D.C., Guam, the Northern Mariana Islands, the U.S. Virgin Islands, and Puerto Rico. Comprised of Lexon Insurance Company, Bond Safeguard Insurance Company, and Fortress National Group LLC, Lexon staff and office locations will be integrated with Sompo International’s Surety business and will continue to offer a broad array of commercial and contract surety bonds, court and probate bonds, and U.S. Custom bonds through a nationwide network of agents. read more