In just two words, Derek Pratt can explain how P & P Septic in Williston, Vt., grew from virtually nothing into a thriving sanitary waste disposal company: business diversification.Since its inception in 1978 as a septic pumping business, P & P has expanded its scope of services to include portable restrooms, drain cleaning and excavating. As a result, a company that began with an old, 1,100-gallon converted fuel oil truck, an old “mud sucker” diaphragm pump and a 50-foot hand snake now owns a fleet of modern trucks and employs 18 people.That’s a far cry from the days when Derek,
