7 Dividend Kings Raising Dividends for 60 Years Dividend Kings are the cream of the crop when it comes to reliable income investments. American States Water (NYSE: AWR ): The longest-running of the Dividend Kings. Dover Corp (NYSE: DOV ): Diversified industrial giant has been manufacturing dividend increases for 66 straight years. Coca-Cola (NYSE: KO ): Coca-Cola is a sweet and refreshing pick for dividend investors. Emerson Electric (NYSE: EMR ): Emerson Electric has shrewdly transformed its business to adapt to new industrial innovations. 3M (NYSE: MMM ): The industrial powerhouse is far more than Post-It notes. Northwest Natural (NYSE: NWN ): Natural gas utility benefits from the stability of its industry to deliver healthy income. Colgate-Palmolive (NYSE: CL ): Colgate is a recession-proof consumer staples stalwart. Source: Shutterstock Dividend Kings keep getting more attractive as the stock market seems shakier with every passing day. Inflation, war, interest rate hikes, and slumping earnings. There’s plenty to be worried about.