Nick Kastanes, a master plumber with 34 years of experience, has owned Sac Val Plumbing in Sacramento, California, since 1991. His fleet of 10 vehicles (mostly 1997 to 2015 Chevrolets) and 13 technicians circle a 75-mile radius of the Central Valley of California metropolitan area, serving seven cities with a combined population of about 1.44 million. Kastanes says the key to providing top customer service comes down to qualified technicians and timely vehicle maintenance.Q: Who does your maintenance? Do you have a mechanic on staff?A: We had an in-house mechanic, but he recently retired and we are using an outside
