Lehna Technologies LLC develops proprietary software, integrated systems and testing services that help engineers see, measure and control noise, vibration and manufacturing quality. Its SynPAD acoustic-imaging system visualizes three-dimensional sound sources in real time, while SynNVA gives engineers a practical way to analyze noise and vibration without becoming instrumentation specialists. The company also builds customized in-line quality-control systems and develops LabVIEW applications for industrial testing and data acquisition.
Larson DavisFounded in 1981, Larson Davis manufactures precision acoustic and vibration-measurement instrumentation, with engineering and manufacturing based in Provo, Utah. Now a division of PCB Piezotronics and part of Amphenol, the company builds measurement systems used from community noise monitoring and building acoustics to worker exposure studies and automotive, aerospace, and industrial testing. Its quality system includes ISO 9001 certification and an ISO 17025-accredited, NIST-traceable in-house calibration service.DEPEW, NY
Kinetics Noise Control, IncEstablished in 1958 as industrial sound and vibration consultants, Kinetics Noise Control now designs and manufactures products and engineered solutions that quiet spaces, isolate vibration, and restrain building systems. Based in Ohio with facilities in California, Ontario, and Hong Kong, the company supports applications ranging from HVAC and industrial equipment to building and room acoustics, with a multidisciplinary engineering team offering delegated design backed by more than 200 years of collective experience.DUBLIN, OH
Applied Acoustical GroupWith nearly 30 years in noise abatement, Spring City’s Applied Acoustical Group engineers, manufactures and installs turnkey noise-control solutions for industrial and architectural settings. Its work begins with on-site sound studies and can extend through custom equipment enclosures, absorptive sound walls and architectural treatments, giving customers one firm for diagnosis, design and installation. The company has provided custom solutions for hundreds of customers nationwide, including a school theater where its panels cut reverberation time from 4.8 seconds to the recommended one second.SPRING CITY, PA
Liberty Instruments, IncSince introducing its IMP system in 1993, Liberty Instruments has built a reputation around practical audio measurement tools for speaker builders, engineers, and researchers. The company develops systems such as PRAXIS for analyzing loudspeakers, rooms, and electronic equipment, while its site also preserves technical resources from earlier generations of its work.WEST CHESTER, OH