MISTRAS Group
Princeton Junction, United States
Publicly traded (NYSE: MG) asset-protection solutions provider offering API-certified inspection (including 510, 570, and 653) and its proprietary MONPAC acoustic-emission testing system to evaluate the structural integrity of metallic pressure vessels, spheres, and tanks. Asset-protection and non-destructive testing (NDT) company providing unmanned aerial vehicle (drone/UAV) inspection services for at-height and hard-to-access civil infrastructure, pairing FAA-certified pilots with ASNT-certified technicians and sensor payloads including ultrasonic, infrared and multispectral imaging. Mistras Group provides non-destructive testing and inspection services for maritime and offshore assets, including hull and structural inspection using rope access, diving, drone, phased-array ultrasonic (PAUT), and acoustic-emission methods aimed at detecting corrosion, cracking, and weld defects. It also serves offshore platforms with ROV-enabled inspection of subsea structures and pipelines.
- Headquarters
- Princeton Junction, United States
- Founded
- 1978
- Website
- www.mistrasgroup.com
- Legal name
- MISTRAS Group, Inc.
- Employees
- ~4,000 employees worldwide
- Company page ↗
Geographic coverage
- United States
- Belgium
- Canada
- China
- France
- Germany
- Greece
- Netherlands
- South America
- United Kingdom
Notable facts
- Established in 1978
- Certifies inspectors across a broad range of API codes (510, 570, 653, 571, 577, 580, 936, 1169) per its own service pages
- Maintains a Gulf Coast regional hub in Houston, Texas supporting refining and petrochemical clients
- Founded in 1978 by Dr. Sotirios J. Vahaviolos to commercialize acoustic-emission technology, originally as Physical Acoustics Corporation.
- Operates roughly 80-225+ locations worldwide depending on source, serving oil & gas, power generation and civil infrastructure clients.
- Went public on the NYSE in October 2009 under ticker MG.
- Founded in 1978, headquartered at 195 Clarksville Road, Princeton Junction, New Jersey
- Provides dedicated maritime and port inspection service lines alongside broader industrial asset-integrity work
- Offers subsea/diving access services as part of its offshore inspection and corrosion-maintenance offering
Verified credentials
✓ = confirmed on the accrediting body's own public registry. (unverified) = the provider's own claim, not independently confirmed in a registry. Never take a certification claim at face value; verify directly with the issuing body before you retain a vendor. See methodology.
Service categories
Sources. This profile is compiled from public reference data, WebSearch-verified againstsource 1 · source 2 · source 3. Data as of 2026-07-11. See methodology.
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