(603) 402-3656








Here at JDH Inspection Services, we pride ourselves on being a dependable NDT service provider with a focus on results and impeccable customer service. We offer all manner of non-destructive testing services and have highly trained,  certified inspectors who work closely with you every step of the way.

Why Choose JDH Inspectors for NDT 

If you need the highest quality non-destructive testing services from NAS-410 / SNT-TC-1A certified inspectors, trust the company that’s known for its commitment to excellence and attention to detail: JDH Inspection Services.

We’re a full-service, employee-owned company headquartered in Nashua, New Hampshire. Our certified professionals don’t just do the most stringent inspections and testing available. They provide hands-on training to our clients to help them ensure that their employees have the skills and accreditation they need.

Our mobile units, which we bring to our clients’ sites, carry the latest technology. Our NDT lab has the flexibility of labs many times its size to do a wide variety of testing.

We understand the time and budget constraints that our clients are under. That’s why all of our services are competitively priced, and all of our work is done in the most efficient manner possible. We’re always seeking proven methods that provide optimal accuracy in less time.

Our NDT services in New Hampshire, Florida and throughout the U.S. include:


Radiography Inspection (RT)


Phased Array Ultrasonic Testing (PAUT)


Visual Inspection (VT)


Ultrasonic Inspection (UTT, UTS)


Magnetic Particle Inspection (MPI, MT)


Coating | Cathodic Protection


Liquid Penetrant Inspection (LPI, PT)


Level III Consultation


Phased Array


GPS Acquisition

Other NDT Services

Rope Access Services

Heat Treatment

Light Meter Calibration

Ultrasonic Equipment Calibration

Magnetic Particle Equipment Calibration

What Can JDH Inspection Services Do For You?

To find out more about our services, our NDT lab and more, give us a call us at (603) 402-3656 or use our convenient online contact form. One of our team members will be happy to answer all of your questions and find out how our certified inspectors can help you.