Employees arrive at ConocoPhillips headquarters in Houston, Texas. F. Carter Smith | Bloomberg | Getty Images Investors continue to grapple with stock market volatility due to tensions in the Middle East. Those looking for a stable stream of passive income amid ongoing uncertainty can add stocks of some well-established dividend-paying companies to their portfolios. In this regard, insights from top Wall Street analysts can help investors pick attractive dividend stocks, as the ratings of these experts are backed by in-depth analysis of a company's financials and growth prospects. Here are three dividend-paying stocks that are highlighted by Wall Street's top pros, as tracked by TipRanks, a platform that ranks analysts based on their past performance. ConocoPhillips This week's first dividend-paying stock is oil and gas exploration and production company ConocoPhillips ( COP ). The energy company is scheduled to announce its first-quarter results on Thursday.…