(603) 402-3656







Our Certifications

If you’re looking for a certified NDT company that’s trusted throughout New England and beyond, you can’t make a better choice than JDH Inspection Services. We’re an independently-owned company headquartered in New Hampshire, but our certified pros are working on projects nationwide.

Certified NDT Personnel

At JDH Inspection Services, we offer a wide range of NDT services as well as training, pipeline management, NDE, radiography and other services. We’re Nadcap accredited, and our work is performed by technicians who are certified IAW NAS 410 and SNT-TC-1A. We have project and safety managers as well as inspectors trained and certified in multiple areas, including welding, NACE coating and corrosion, electric, mechanical and more available to serve our customers.

Our Nadcap IAW NAS 410 certified inspectors in New England also provide on-the-job training, at our lab, at your lab, or in the field. We are proud to attract professionals with an unparalleled depth and breadth of knowledge and to share that knowledge with our clients. Nadcap SNT-TC-1A inspections are recognized as the most stringent around.

Certified to serve a wide range of industries

Our goal is to provide the highest level of customer service and value for your money in our Nadcap IAW NAS 410 testing services and all of our work. We have a small lab with the flexibility of a larger one. It helps us give our clients the attention to detail they deserve.

We’re an independently-owned company with a nationwide reputation for producing trustworthy results and carrying out effective inspections in a variety of settings. No matter what you’re looking for, we’re here for you and we’re the NDT service provider you need to contact today.

Additionally, we have Nadcap SNT-TC-1A certification, a level of accreditation only given to the very best inspection companies in the world. Achieving this level of certification is a rigorous process with external reviews by the top industry professionals. This achievement, coupled with decades of experience, means you can have confidence our company is going to deliver highly professional results from inspectors who know the industry like no one else.

We have mobile units equipped with the latest, most sophisticated testing equipment that we bring on-site, nationwide.


NAS 410










Kinder Morgan Certified


Eversource Certified


Liberty Utility Certified


Unitil Certified

Contact Us Today

If you need NADCAP testing services to prepare for your NDT audit, or information on our services, call us at (603) 402-3656.