Donald M. Jones is licensed in New Jersey as a master plumber, boiler operator, in-plant inspector, mechanical inspector, plumbing inspector, plumbing subcode official and construction official. He also is licensed as a New Jersey boiler, pressure vessel and refrigeration inspector. He has a Commission of Inservice Boiler Inspector from the National Board of Boiler and Pressure Vessel Inspectors, and is certified as a master plumber continuing education instructor.
