Terrasense LLC, 45 Commerce Way, #H, Totowa, NJ 07512, US

The MISTRAS Group is one of the leading global providers of proprietary, technology-based, nondestructive testing solutions that are used to evaluate the structural integrity of industrial and public infrastructures. The group designs and manufactures acoustic emission sensors and measurement instruments. Its products are used in several applications, such as railroad tank cars, tank bottoms, electronic components, high-pressure tubes and tube trailers, and pressure vessel testing and pipeline and weld monitoring systems. The group s products include sensors, amplifiers, accelerometers, accessories, power supplies, switch boxes and display monitors. Its subsidiaries include Physical Acoustics, Physical Acoustics Beijing and Physical Acoustics South America. The MISTRAS Group has a staff of more than 1,500 employees in over 45 offices in nearly 15 countries.