St. Louis-based Dippel Plumbing and Heating, now known as Nu Flow St. Louis, celebrated its 75th year in business on April 8. Throughout its history, it’s been serving the St. Louis metropolitan area with a full array of typical plumbing and remodeling services.But in 2012, Christopher McNulty, owner of Nu Flow St. Louis, made the decision to add pipe lining without knowing if adding this service was going to be profitable. The addition of trenchless technology services created an upsurge in business that was so rapid that by 2014 the company split into two divisions. Two years later, the company
