As a licensed master plumber since age 22, Mike Marvon — the owner of New Jersey-based Lesco Plumbing, Heating & Cooling — clearly is passionate about plumbing.“It’s not at all like work to me,” he says. “It’s a total pleasure.”But Marvon, owner of the company based in the city of Caldwell in northern New Jersey and one of the youngest people to ever pass the master plumber exam in the state, also highly prizes two other things that have driven impressive growth at his company: simplicity and efficiency.Those two traits inform many aspects of his business, from the service area
