Grayton Plumbing in Washington, D.C. doesn’t own a fleet of 20 trucks – it just seems that way. That visual sleight-of-hand is a testament to the power of effective branding, says owner Frankey Grayton, whose picture appears on the back of his company’s six service vehicles.“The trucks are, for the most part, identical,” says Grayton. The Dodge Sprinter 3500 chassis carries Hackney box bodies. Vinyl wraps show a large yellow smiley face with a bright-red monkey wrench, plus the company’s phone number, Web address and slogan, all on a watery, aqua-blue background.They’re everywhere“Six identical trucks moving throughout the city give
