Spencer Chynoweth went from painting airplanes to excavation work, and then, with some encouragement from friends, launched his drain cleaning business in 2001.As an entrepreneur, it’s not a path he recommends. He had little background in the industry. He had to dig his way through the newest technology and the challenges of developing a customer base, but he had the grit and determination to pull it together and make a name for his company. Along the way, his expertise grew and he learned how to run a crew efficiently.When he formed N.W. Sewer & Drain in Seattle, Chynoweth’s goal was
