Søren Holst

Hottinger Brüel & Kjær A/S manufactures and distributes sound and vibration measuring equipment. It offers analysis software, pulse analyzer platform, measurement front-ends, transducers, hand-held instruments, environment management solutions, and calibration systems. The company was founded by Per V. Brüel and Viggo Kjær on November 28, 1942 and is headquartered in Naerum, Denmark.

Part of Spectris Plc, Brüel & Kjær VTS Ltd. is a leading supplier of sound and vibration technology. Founded in 1981, the company is based in Royston, UK. Brüel & Kjær provides innovative and high-quality solutions for measuring and managing product performance, durability, and quality. The British company offers vibration controllers, software, and hardware that enable a wide range of test-profiles and multi-point control for complex structures. Additionally, Brüel & Kjær provides dedicated electroacoustic device testing software with applications and profiles for analysis of specific products including microphones, speakers, and headsets. The company's support team is ready to help with expert technical assistance and troubleshooting.

Natus Medical Denmark ApS develops, manufactures and markets computer-based audiological, otoneurologic and vestibular instruments. It offers hearing assessment, fitting systems, balance assessment, screening, software, and accessories solutions. The company was founded in 2001 and is headquartered in Taastrup, Denmark.