The Iowa Economic Development Authority is seeking one or more marketing companies to promote the state’s business development and tourism activities. A request for proposals was issued today. The RFP is availablehere. Proposals will be accepted until 4:30 p.m. April 15. The contract for the marketing services is expected to begin on July 1, with the option to review on July 1, 2016, and July 1, 2017, according to a release.