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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.

360 Pipeline Inspections
Folsom, California5.0(4)

360 Pipes provides NASSCO-certified manhole and CCTV sewer inspections across California. Fast, dig-free service with Certified PACP reports. Free quote.

+1 833-360-7473Website
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3E NDT, LLC
San Leandro, California5.0(1)
+1 510-352-6767Website
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A-Scan Laboratories Inc
Carson, California3.0(2)
(310) 834-9100Website
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Accurate Weld Testing Lab
Huntington Beach, California4.1(19)

At Accurate Weld Testing Lab, we are your trusted partner in the pursuit of welding perfection. With a relentless commitment to precision, safety, and innovation, we stand at the forefront of weld quality assurance.

CWI (AWS)
+1 714-373-3852Website
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Advanced Measurement Labs.
Tustin, California5.0(3)
(714) 258-8400Website
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Aegeus Inspection Solutions - Bakersfield, California
Bakersfield, California4.5(17)
(661) 399-8497Website
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Aegeus Inspection Solutions - Ventura, California
Ventura, California5.0(1)
(661) 399-8497Website
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Aerohoff Inspection Services
Oceanside, California5.0(1)
(760) 806-2782Website
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Allegiance Testing & Inspection
Quartz Hill, California5.0(3)
(661) 405-4226Website
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American Aerospace Technical Academy
Los Angeles, California

The American Advanced Technical Academy (AATA) is a Los Angeles-based 501c3 nonprofit founded in April 2015. AATA’s mission is to empower Los Angeles women and men living below the poverty line and veterans with poor job prospects through free Nondestructive Testing (NDT) training. After completing

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American Precise Testing LLC
Lake Forest, California5.0(4)
(949) 317-3603Website
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American River Welding Certification & Inspection
Rancho Cordova, California3.4(5)
+1 916-804-0874Website
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Andrew NDT Engineering
San Jose, California2.0(3)
+1 408-710-0342
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Atlas Inspection and Testing
Walnut, California
(909) 444-9884Website
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Bess MTI Inc.
Hayward, California
(408) 988-0101Website
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Bruckenstein Welding And Inspections
Glenn, California
+1 530-521-5959
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Cal Testing & Inspections
Paramount, California4.0(8)
(213) 748-4900Website
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Code Ndt
Anaheim, California

Turn to Code NDT, LLC for non-destructive testing. We inspect welding on various equipment for the oil and gas industry.

+1 562-424-0344Website
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CodeNDT work
Anaheim, California
(562) 424-0344Website
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Construction Testing Services
Pleasanton, California4.4(12)
(925) 462-5151Website
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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 Diego

defense, biotech, communications

San Jose

semiconductors, precision machining, electronics

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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