OVERLAND PARK, Kan.—A/R Allegiance Group, LLC (ARA), a software and services company focused on helping home medical equipment (HME) and durable medical equipment (DME) providers automate patient billing workflows and collections, announces a partnership with HME entrepreneur Dave Bargmann. Bargmann is the co-founder of Akron, Ohio, based Invacare HCS, which is being closed on August 30, 2013.