Heat, Light & Sound Research, Inc. provides research services in wave propagation phenomena, specializing in underwater acoustics. It offers research in the areas of studies on the effects of sound on the marine environment, tracking and classification of marine mammals, underwater wireless acoustic communications, seabed characterization and classification using unmanned vehicles, characterizing and exploiting ocean ambient noise, Vector sensor applications in underwater acoustics, target scattering models development, high frequency ocean acoustic propagation physics, and computational ocean acoustics.