New research is revealing that this is one of the latest and most popular added perks offered to employees. Along with the strengthening of the American economy comes a boost to the benefits packages that employers are offering their workers, and among the most rapidly growing trends at the moment is the inclusion of pet insurance in the mix. This is a leading voluntary benefit in terms of growth and the trend doesn’t appear to be slowing. Among Fortune 500 companies, one in every three is currently offering pet insurance…