Salt Lake City, Utah - October 1, 2009 - The Maine Hospital Association (MHA) has announced an exclusive endorsement relationship between their wholly-owned entity, Associated Health Resources, Inc. (AHR), VISTA Staffing Solutions, Inc., and On Assignment, Inc. VISTA, the physician staffing division of On Assignment, Inc , locates and arranges for independent contractor physicians to fill assignments for MHA member hospitals; and On Assignment will provide nursing and allied healthcare personnel for MHA member hospitals. MHA and VISTA have had an exclusive endorsed provider relationship since 2004. This new agreement reaffirms that relationship and expands it to include On Assignment as the exclusively endorsed provider of allied healthcare and nurse staffing services.