Larson Davis, Inc. is a world leader in the design, manufacture, and distribution of acoustic and vibration measurement systems and industrial hygiene instrumentation.

To best serve clients' needs, the company is divided into two, focused product groups, each with dedicated resources for engineering, customer service, sales, and distribution.

The Acoustic Test Products (ATP) division specializes in sound level meters, analyzers, digital sensing systems, microphones, human vibration meters, software, and acoustic systems. ATP offers both standard and custom systems for audiometric calibration, building acoustics, environmental noise monitoring, modal analysis, sound intensity, sound power testing, and others.