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Phone
1-800-246-3516

Office Address
465 Mulberry St Newark NJ 07114-2736

Mailing Address
P.O. Box 5610, Newark, NJ 07105

Master Plumber License #: 36BI01174600  |  Home Improvement Contractor License #: 13VH02278800 | Master HVACR Contractor License #: 19HC00028600

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John Duffy Energy Services, serving Newark, Elizabeth, Jersey City, Edison, East Orange, and surrounding towns in Essex, Union, Middlesex, Morris and Hudson county, NJ.