The same can be said of filtration system maker Donaldson ( DCI). Donaldson operates a fairly boring business, manufacturing filtration products that are used in truck engines, turbines, and even disk drives. But boring is good for income investors, and DCI's revenue trajectory over the past few years has largely outperformed bigger names. That sets the stage for a bigger dividend payout in the next quarter. With a yield that currently sits at just over 1%, Donaldson clearly isn't a high yield income name. That said, it's still a niche industrial that's could play a supporting role for investors who want industrial exposure over income generation. DCI has taken a cost-focused approach for the past several years, efforts that have produced steadily rising net profit margins every year since 2009. That, coupled with a debt-neutral balance sheet make the firm's payout look undersized right now -- a hike to its 9-cent quarterly payout looks likely. The firm's next earnings call in November looks like a plausible venue for a dividend increase.