Ultrasonic Inspection, Eddy Current Testing and Nondestructive (NDT) Inspection Services have been Quality Material Inspection, Inc, 's (QMI) primary focus since 1981. Our area of expertise includes Ultrasonic Inspection and Eddy Current Testing of advanced materials. In addition to our NDT inspection capabilities, QMI provides research, development, prototyping and custom fabrication of nondestructive test instrumentation and scanning systems. It was Willem Grandia who laid the foundation for the success of QMI which is recognized by leading aerospace companies for its innovative approach to the testing of advanced materials.