These three companies are committed to growing their dividends for years to come.When scanning the market for prospective dividend-paying companies, it's easy to get enamored by stocks with high yields. And there are definitely some examples of beaten-down stocks with high yields that are great buys now.Instead of overly focusing on yield, a better approach is to build your passive income portfolio around companies with the characteristics necessary to grow their earnings and, in turn, their dividends for y ...