Materials & Testing Laboratories Ltd (MTL) is an independent Destructive and Non-Destructive Testing provider, proudly New Zealand-owned and operating since 1973. For over 50 years we’ve delivered professional, high-quality and reliable testing services across industries nationwide. MTL was one of the first testing houses in New Zealand to gain IANZ accreditation, a status we continue to maintain today. We are also SiteWise Gold certified for 2025/2026, reflecting our commitment to safety and industry best practice. Our services cover mechanical and customised material testing, non-destructive testing (NDT), welding inspection and certification, advanced welding training, metallurgical investigations, and materials consultancy — all tailored to provide accurate answers and practical solutions for our clients.
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The Materials and Testing Laboratories annual revenue was $5.6 million in 2026.
Caitlin Griffin is the Director of Materials and Testing Laboratories.
8 people are employed at Materials and Testing Laboratories.
Materials and Testing Laboratories is based in Auckland, Auckland.
The NAICS codes for Materials and Testing Laboratories are [541, 54138, 5413, 54].
The SIC codes for Materials and Testing Laboratories are [87, 873].