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NDT Companies in California

California is a hub for advanced manufacturing in the Western United States, with strength in aerospace, defense, and technology-driven production.

76 verified suppliers53 cities
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NDT Companies in California

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Our directory features 76 verified NDT inspection companies across 53 cities in California, including suppliers holding API 1104, API 510, API 570 certifications. Each listing is verified to help plant managers make informed sourcing decisions.

Whether you need ultrasonic testing (UT), radiographic testing (RT), magnetic particle testing (MT), or other NDT inspection company capabilities, our directory makes it easy to compare suppliers side by side. Filter by certification, location, and specialty to narrow your search.

Regional NDT
Oxnard, California

Accelerate your operations workflow with Regional NDT's Real-Time Availability process.

Nadcap NDT
+1 805-399-4835Website
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Signet Testing Labs Inc
Hayward, California3.7(3)
(510) 887-8484Website
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Sterling Inspection LLC
Signal Hill, California5.0(1)
(714) 795-6998Website
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Structural Diagnostics Inc
Camarillo, California5.0(3)
(805) 987-7755Website
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Sunset Inspection Welding
Rocklin, California5.0(3)
+1 916-632-7475
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Testing Engineers Inc
San Leandro, California4.6(21)
(510) 835-3142Website
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TestNDT LLC
Brea, California5.0(6)
(714) 255-1500Website
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The EMC Shop
Rocklin, California

DISTRIBUTOR OF TEST EQUIPMENT. SUPPLIER OF RF & EMC ENCLOSURES. ACCREDITED CALIBRATION LAB.

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Thunder Testing Infrared Inspections & Electrical Testing
La Puente, California5.0(1)
(626) 600-1047Website
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Underwater Resources, Inc.
San Leandro, California5.0(5)
(510) 957-5097Website
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Universal NDT Inc
Upland, California4.5(2)

Supplier to the Non-Destructive Testing Industry

ISO 17025
+1 909-946-3049Website
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Urban Testing & Inspections
Torrance, California3.0(3)
(310) 320-0482Website
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Vitrek - GaGe High-Speed Data Acquisition
Poway, California

Since 1990, Vitrek has provided innovative global solutions for high voltage test and measurement including electrical safety compliance testers, multi-point high voltage switching systems and graphical power analyzers. Vitrek's product portfolio also includes the XiTRON line of high-performance instruments including portable calibrators for thermocouple and millivolt DC calibration, ballast testers, LED illumination spectral analyzers, programmable DC electronic loads, phase-angle voltmeters and digital mi

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West Coast Inspection Services
San Diego, California4.8(4)
(855) 999-9247Website
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Westex Co
Oxnard, California
(805) 485-2205Website
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ZT Consulting Group Inc.
Pasadena, California3.7(3)
(626) 714-7181Website
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Cities in California

Bakersfield (5)San Diego (4)Los Angeles (3)Huntington Beach (3)Rocklin (3)Anaheim (3)Hayward (3)San Leandro (3)Santa Ana (2)Oxnard (2)Signal Hill (2)Brea (2)San Jose (1)Simi Valley (1)Los Alamitos (1)Corona (1)Mountain View (1)Oceanside (1)Ventura (1)Upland (1)Sunnyvale (1)Pomona (1)Riverside (1)Sacramento (1)La Puente (1)Lake Forest (1)Rancho Cordova (1)Sun Valley (1)Bellflower (1)Quartz Hill (1)Glenn (1)Camarillo (1)Pasadena (1)Tustin (1)Fairfield (1)Sonora (1)Pleasanton (1)Carson (1)CRYSTAL CITY (1)Fountain Valley (1)Paramount (1)Torrance (1)Poway (1)Rowland Height (1)Norco (1)Temecula (1)North Hollywood (1)Modesto (1)Folsom (1)Orange (1)Walnut (1)Scotts Valley (1)Fontana (1)

Major Industrial Cities in California

Los Angeles

aerospace, entertainment tech, apparel manufacturing

San Jose

semiconductors, precision machining, electronics

San Diego

defense, biotech, communications

San Francisco

tech manufacturing, biotech, robotics

Anaheim

aerospace, medical devices, electronics

Certifications in California

API 1104API 510API 570API 653ASMEASNT Level IIASNT Level IIICWI (AWS)

Industries in California

Aerospace & DefenseConstructionInfrastructureManufacturingMarineMiningNuclearOil & Gas

Frequently Asked Questions

How many NDT inspection companies are in California?
Our directory currently lists 76 verified NDT inspection companies in California. Each listing includes certifications, capabilities, contact information, and customer ratings to help you make an informed decision.
What certifications do NDT inspection companies in California hold?
NDT inspection companies in California commonly hold certifications including ASNT Level III (NDT expert), API 510/570/653 (pressure equipment), ISO 17025 (lab accreditation). Use our certification filter to find suppliers that meet your specific quality requirements.
How do I get a quote from a NDT inspection company in California?
Browse our directory of NDT inspection companies in California, select the suppliers that match your requirements, and use our free RFQ system to submit your project details. You can request quotes from multiple suppliers at once to compare pricing and lead times.
Do NDT inspection companies in California offer rush services?
Many NDT inspection companies in California offer expedited turnaround for urgent projects. Mention your timeline in the quote request and suppliers will let you know if they can accommodate your schedule.

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