12197 verified suppliers listed

Best NDT Companies in Pennsylvania

Pennsylvania's NDT market spans a remarkable range of industrial applications: the state is home to one of the largest concentrations of nuclear power plants in the country, a significant oil and gas production and gathering pipeline network in the Marcellus and Utica shale regions, major steel and metals manufacturing, and an extensive bridge and highway infrastructure requiring continuous inspection. NDT companies in Pennsylvania serve Exelon's nuclear fleet, petrochemical facilities in the Philadelphia area, manufacturing operations across the Pittsburgh and Lehigh Valley industrial corridors, and pipeline integrity programs across the state's Appalachian basin gathering systems.

Why these suppliers?

  • Pennsylvania's nuclear fleet — the largest by generating capacity in the U.S. — creates consistent demand for ASME Section XI ISI providers, PDI-qualified UT companies, and NQA-1–compliant inspection service organizations.
  • Marcellus and Utica shale development across western and northern Pennsylvania drives ongoing demand for pipeline construction weld inspection (API 1104), gathering system inspection, and midstream facility NDT.
  • Pennsylvania's industrial history in steel and heavy manufacturing has produced a deep bench of NDT companies with foundry, forging, and metals processing inspection experience — now serving aerospace, defense, and advanced manufacturing supply chains.

826 verified suppliers found

Aston Township, Pennsylvania5.0

CNC machine shop in Twin Oaks, PA. 8 WEDGE® firefighting forcible entry tool, Accountability Tags, Multi-gas hazmat tags, Fire safety products, firefighting tools. Forcible entry rescue tools, TUF 8, Nozzle Nut thread protectors, 8wedge holsters and tool pouches. Customized engraving on many firefighter tools and gifts. Personalized RTIC tumblers, coffee mugs and wine glasses.

+1 610-494-8107Website
Edwardsville, Pennsylvania3.0(4)

We provide machining services, engineering services, with Quality Control at every stage from concept to finished product.

+1 570-288-6648Website
New Kensington, Pennsylvania

9100 (9001:2015) certified. Certification body: Performance Review Institute Registrar. Structure: Single Site.

Website
Reading, Pennsylvania4.5(4)

Get the high-end machined plastic parts you need. Advanced plastics demand a hard-to-find combination of materials, equipment & expertise. Request a quote!

+1 610-926-3245Website
Lancaster, Pennsylvania4.9(53)

Trust Reardon Machine Shop for your engine machining needs in Lancaster, PA and surrounding areas.

+1 717-394-7237Website
Mountville, Pennsylvania

Tim Reist the Owner of Reist Precision Machine, the Machine Shop in 156 N Donerville Rd # D, the Mountville, the Pennsylvania 17554.

+1 717-285-9547Website
Commodore, Pennsylvania5.0(1)

Adobe GoLive

+1 814-743-6194Website
Lansdale, Pennsylvania5.0(2)

Short term financing makes it possible to acquire highly sought-after domains without the strain of upfront costs. Find your domain name today.

+1 215-368-0200Website
Folsom, Pennsylvania5.0(1)

RGS specializes in precision CNC machining. Using the latest technology in machinery, we are able to provide the highest quality products in a timely fashion. We have serviced military and commercial contracting industries.

610-532-1850Website

Frequently Asked Questions

What NDT services are in demand for Pennsylvania's natural gas industry?
Marcellus and Utica shale development has generated demand for pipeline construction NDT (AUT, PAUT, digital RT for girth weld inspection under API 1104), in-line inspection (ILI/smart pigging) program support, gathering and transmission pipeline integrity assessments under DOT PHMSA Part 192, and compression station and processing facility inspection under API 510/570. Companies serving the natural gas sector should hold API certifications and have experience with the operator qualification (OQ) requirements applicable to covered pipeline tasks under 49 CFR Part 192/195.
Are there NDT companies near Philadelphia for petrochemical inspection?
The Philadelphia area refinery complex and Delaware Valley chemical facilities support multiple API-certified NDT companies serving the downstream sector. Companies in this corridor typically hold API 510/570/653 inspector certifications and have turnaround and in-service inspection experience in the refinery and chemical plant environment. The closure of several legacy refineries has shifted some demand toward specialty chemical facilities, terminal and storage inspection, and infrastructure assessment — all areas where Philadelphia-area NDT companies have established track records.
How do Pennsylvania NDT companies support bridge and infrastructure inspection?
PennDOT maintains a large inventory of structurally significant bridges, many requiring fracture-critical member (FCM) inspection and element-level NBI assessments. Pennsylvania NDT companies providing bridge inspection services must meet PennDOT and FHWA qualification requirements. Structural steel weld inspection (MT, PT, UT for fatigue crack detection), underwater bridge pier inspection, and GPR deck surveys are common service offerings from Pennsylvania infrastructure NDT providers.

Ready to get quotes?

Request a Quote