Sound Metrics makes high resolution imaging sonars, some call "acoustic cameras" that identify objects in dark (no light) or turbid (sediment) water where optical systems are ineffective. Our customers sectors are: government, military, oil & gas, search & rescue, dam & bridge inspection, port security, fisheries management, environment research, archaeological exploration, etc. Our products have been trade-named "DIDSON" and "ARIS". Systems are currently in operation throughout the world.