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About Us


"The Welding Expert" aka "Long Island Weld School" is an Accredited Testing Facility (ATF) for the American Welding Society. As well as a S.E.N.S.E school.


"The Welding Expert" aka "Long Island Weld School" is an Approved Testing Facility for the 6G test, and New York State, Department of Transportation for structural steel.


The President, Joseph Leonard, has an background in boiler and pressure vessel welding which spans over 25 years. He holds numerous welder qualifications for ASME section IX, AWS D1.1, 1.6, and 1.9, API 1104 for multiple welder qualifications. and Level III certifications in PT, MT & RT. He also holds a Certified Welding Inspector's license with The American Welding Society. He has personally designed numerous QC Manuals and Vessel Calculations for such well renowned companies as Consolidated Edison Company of New York, Inc. ("Con Ed"), Jersey Boiler of New Jersey, and Power Company of New Jersey, just to mention a few. A partial list of satisfied customers can be found on our "Costomers" page.


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The Welding Expert

101 Rome Street

Farmingdale, NY 11






       contact form.,

Business Hours

We have schedules that run around the clock for testing. We have several facilitators to accomodate the vast array of schedules that our clients work.


Our training hours run from 9 to 2 in the daytime and 5 to 8 in the evening. Any hours needed in between can be accomodted.


We also schedule weekends.

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