Matrix Inspection & Engineering serves clients in the United States and the United Kingdom. The company offers acoustic emission testing solutions for fiberglass tanks, metal pressure vessels and pipes, as well as participates in the development of new technologies for the testing of in-service equipment. It also provides inspection services for heavy-walled hydrocracking reactors, seam-welded hot reheat pipes and tank floors. Matrix Inspection & Engineering offers an automated instrument that collects and digitizes data from a selection of transducers. The company manages the DSP-4 digital system, which is a four-channel plug-in replacement card that uses advanced digital signal processing technology to extract waves.