Best NDT Companies in Ohio
Ohio is one of the most industrially diverse states for non-destructive testing, with a large manufacturing base, a significant aerospace and defense supply chain, and multiple nuclear and fossil power generation facilities that require ongoing in-service inspection. NDT companies in Ohio serve the automotive and heavy manufacturing corridor from Cleveland to Columbus and Dayton, the aerospace and defense supply chains around Dayton (Wright-Patterson AFB, GE Aviation), and the numerous fossil and nuclear power plants operating under ASME Section XI and NRC requirements. The state's geographic position at the center of the Midwest manufacturing belt makes Ohio NDT companies accessible to the broader Great Lakes industrial region.
Why these suppliers?
- ✓Ohio's manufacturing and automotive base generates consistent demand for weld inspection, casting and forging evaluation, and in-process NDT for automotive powertrain, structural components, and heavy equipment — giving Ohio NDT companies deep production inspection experience.
- ✓The GE Aviation and defense supply chain in the Dayton area supports Nadcap-accredited NDT companies with aerospace-grade capabilities for flight hardware inspection — a higher tier of capability than general industrial providers.
- ✓Ohio's nuclear fleet (Davis-Besse, Perry) and numerous fossil plants create ongoing demand for ASME Section XI in-service inspection, turbine NDT, and high-energy piping assessment from companies qualified for power generation work.
800 verified suppliers found
Spectrum Machine has several state-of-the-art bronze continuous casting machines. We also have all available mill sizes and a large variety of non-standard bronze barstock sizes.
9100 (9001:2015) certified. Certification body: DNV Business Assurance USA, Inc.. Structure: Single Site.
Stafford Gage & Tool, INC. operating since 1947. Located in Dayton, Ohio. Specializing in CNC precision machining.
Made-to-order parts, on time and up to spec. At Standby Screw, we’ve dedicated ourselves to producing the precise, custom components you need. Learn more.
At Steel Valley Machining, we offer a wide range of machining services, including 3 axis CNC milling, 2 and 3 axis CNC turning, design/reverse engineering,
We focus on CNC machining and solid model part design. We have CNC turning and milling machines along with the latest in high technology CAD, and CAD-CAM software.
Steinert Industries is a full-service machine shop producing high-quality glassblowing and lampworking tools, tire inflators and mounters, truss displays and general machining projects.
Stolle Solutions allow canmakers to promote and enhance that brand experience — thousands of times a minute, 24 hours a day, every single day.












