Founded 1978

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

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

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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