Expensive and disruptive emergency calls for clogged drains take their toll on customers – and drain cleaners, too. That’s why Snowbridge Inc., a well-diversified drain cleaning business in Breckenridge, Colo., emphasizes preventive maintenance contracts for commercial customers.“We concentrate on preventive maintenance – it’s our bread and butter,” says Chris Tatro, vice-president and co-owner of the firm along with his brother, Bill, who also serves as company president. “We clean customers’ lines anywhere from once a month to once a year.”Snowbridge has been up-selling maintenance contracts to customers ever since Chris and Bill’s father, Bill Tatro Jr., and mother, Cheryl, founded
