CHELMSFORD, Mass.--(BUSINESS WIRE)--ZOLL Medical Corporation (NasdaqGS: ZOLL), a manufacturer of resuscitation devices and related software solutions, was named one of America’s 100 Most Trustworthy Companies by Forbes for the second consecutive year. Of the approximately 8,500 public companies reviewed to compile the list, ZOLL was one of the three medical companies listed on the Top 100.