DES MOINES — An Iowa agency will license a newly created company to manufacture medical marijuana in the state by the end of 2018. The Iowa Department of Public Health says it intends to license MedPharm Iowa to manufacture cannabis oil. The company is owned by Chris Nelson, president and CEO of Kemin Industries, a Des Moines-based global ingredient company. MedPharm Iowa will have an agreement with Kemin to contract for a range of services. A manufacturing facility will be located on the Kemin campus.