Innovative R&D of sensors and instrumentation for geotechnical, oceanographic, atmospheric, agricultural, transportation, and security use. Specializing in novel applications of Time Domain Reflectometry (TDR), Electrical Impedance Spectroscopy, and Non-Dispersive Infrared Absorption (NDIR) Spectroscopy, Transcend Engineering has developed: SCIMPI-Compatible Subsea Observatory Modules Simple Cabled Instrument for Measuring Parameters In-situ PRISMS Profile Resolving In-situ Soil Moisture Sensor ERSS Electrical Resistivity Smart Sensor