When George “Buster” Downing decided to become a septic tank installer and pumper in 1971, he didn’t know much about the industry. But almost 40 years later, he’s a seasoned veteran who’s combined old-fashioned New England common sense, the ability to capitalize on new business opportunities and a unique waste-disposal arrangement to build a successful pumping and portable restroom business.In fact, G.A. Downing Company Inc., based in Minot, Maine, is healthy enough that Downing’s two children — Beth Ducharme, 39, and Bradd Downing, 37 — plan to keep running it after he retires in a few years.“They’re slowly taking over,”
