Quest Technologies, Inc. is a manufacturer and a leading worldwide supplier of a full line of quality industrial hygiene instrumentation. The product line includes noise dosimeters, sound level meters, octave band analyzers, vibration meters, indoor air quality monitors, audiometric systems, personal and area heat stress monitors and personal portable gas monitors. Quest s headquartered in Oconomowoc, Wisconsin, with over 25 years of manufacturing experience and is an ISO 9001 registered company. The company has an trained distribution network in over 50 countries. Quest also manufactures the Metrosonics brand of safety and industrial hygiene instrumentation.