Targeted Compound Monitoring (TCM) is a company specializing in remote and autonomous detection, identification, and quantification of volatile organic compounds (VOCs). It develops gas chromatography solutions including ruggedized instrumentation featuring wireless communications and onboard microcontrollers for monitoring of VOC plumes in groundwater and air. The company also provides the design and manufacturing of glass and silicone micro-electro-mechanical systems (MEMS) for sensors and analytical systems.