Best NDT Companies in California
California's NDT market spans two distinct but equally demanding sectors: aerospace and defense inspection concentrated in the Los Angeles Basin and San Diego, and industrial inspection serving the state's refineries, petrochemical facilities, and aging infrastructure. Aerospace NDT companies in California serve Boeing, Northrop Grumman, Raytheon, SpaceX, and hundreds of Tier 1 and Tier 2 suppliers requiring Nadcap-accredited NDT for flight-critical structure, engine components, and composite assemblies. Industrial NDT companies serve the Bay Area and Southern California refinery corridor, performing API inspection and corrosion monitoring. Both sectors demand rigorously certified technicians and documented inspection procedures.
Why these suppliers?
- ✓California's aerospace NDT market — centered on the LA Basin and San Diego — demands Nadcap accreditation, AS9100 integration, and ITAR compliance for inspection of flight-critical metallic and composite structures.
- ✓Southern California's refinery corridor and Bay Area industrial facilities generate consistent demand for API 510/570 inspection, corrosion monitoring, and fitness-for-service assessments.
- ✓California's size and industrial diversity mean NDT companies here have invested in the full range of advanced methods — PAUT, TOFD, digital radiography, and automated UT systems — giving buyers access to the latest inspection technology.
1475 verified suppliers found
9100 (9001:2015) certified. Certification body: NSF International Strategic Registrations, Ltd.. Structure: Single Site.
Explore cutting-edge machining solutions at 3D Billet Products. Contact us today for innovative, high-quality manufacturing services!
9100 (9001:2015) certified. Certification body: IAPMO SCB. Structure: Single Site.
3D TEK CNC | Precision 5 Axis Machining. Precision machine shop in Southern California, serving the medical device industry and more.
9100 (9001:2015) certified. Certification body: IAPMO SCB. Structure: Single Site.
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A&D Precision Inc. is a full service contract manufacturer specializing in contract assemblies and precision machining for various markets.
A&D Precision Manufacturing, Inc. is a CNC machine shop serving Aerospace & Defense. Located in Anaheim, California.
9100 (9001:2015) certified. Certification body: IAPMO SCB. Structure: Single Site.










