Mistras Group, Inc. (Mistras) is a global provider of technology-enabled, non-destructive testing (NDT) solutions used to evaluate the structural integrity of critical energy, industrial and public infrastructure. The Company delivers a portfolio of solutions, ranging from routine NDT inspections to plant-wide asset integrity assessment and management solutions. The Company serves a global customer base, including companies in the oil and gas, fossil and nuclear power generation and transmission, public infrastructure, chemicals, aerospace and defense, transportation, primary metals and metalworking, pharmaceuticals and food processing industries. On April 25, 2007, the Company’s wholly owned subsidiary, Physical Acoustics Ltd., acquired 99% of the outstanding shares of Envirocoustics A.B.E.E.