EMC Insurance Companies is among the top 60 insurance organizations in the country based on net written premium, and we have ... more than 2,500 employees. The company was organized in 1911 to write workers’ compensation protection in Iowa. Today, EMC provides property and casualty insurance products and services throughout the United States and writes reinsurance contracts worldwide. Operating under the trade name EMC Insurance Companies, Employers Mutual Casualty Company and one or more of its affiliated companies is licensed in all 50 states and the District of Columbia. read more