Iowa law requires the Iowa Insurance Division to provide an Annual Report to the Governor of Iowa (1.13 MB) .pdf of the general conduct and condition of the insurance companies doing business in Iowa. Included with the Annual Report is a summary of the business of insurance in Iowa (34.31 KB) .pdf , and a list of the ten largest Iowa-domiciled life and casualty insurance companies (33.67 KB) .pdf . To obtain a report from a prior year, contact the Iowa Insurance Division.