Dividend Kings are among the best income stocks on the market. Any corporation capable of raising its payouts for 50 consecutive years -- the requirement to become a Dividend King -- has an incredibly strong business capable of navigating company-specific challenges and economic peaks and troughs.So, looking at the list of Dividend Kings is an excellent start for investors trying to find stocks that can continuously raise their payouts for a lifetime. Let's consider two companies in this elite group with th ...