Company Information Company History: United Security Insurance Company was incorporated in Iowa in 1946 and in 2005 the state of incorporation was changed to Colorado and the company was acquired by the NFU Group which includes National Farmers Union Property and Casualty Company and is ultimately owned by an Australian insurance Group (QBE). United Security Insurance Company writes commercial property and casualty insurance with an emphasis on inland marine insurance and some commercial property coverages. The NFU Group also sells various p ...