Thirty Iowa companies, including nine in Greater Des Moines, have been named to Inc. magazine's 2014 list of the country's 5,000 fastest-growing privately owned companies. Choice Energy, of Des Moines, which markets renewable energy outside Iowa, is top on the Iowa list and 40th nationwide. Other metro companies on the list include Spindustry Digital and  Aaron's Sales & Lease Ownership, of Des Moines; ClickStop and IP Pathways, of Urbandale; and Cerebral Group, OutcomesMTM, GuideOne Insurance and Caleris, of West Des Moines.