![]() Hottinger Bruel & Kjaer Hottinger Brüel & Kjær (HBK) is a company that develops technology for measuring and managing sound and vibration. | ![]() JBL Professional JBL Professional is a division of Harman Professional that develops and manufactures audio solutions. | ![]() The Ultran Group The Ultran Group (formerly known as Ultran Laboratories) is a company that develops ultrasound technology solutions. | |||
Founding Date | Founding Date 1973 | Founding Date 2019 | Founding Date 1953 | Founding Date 1946 | Founding Date 1977 |
Type | Type Subsidiary | Type Subsidiary | Type Private | Type Subsidiary | Type Private |
Tags | |||||
Locations | Locations Lainate, IT HQ | Locations Itu, BR HQ | Locations Stamford, US HQ | Locations State College, US HQ | |
Employees | Employees 26 | Employees 4537% increase | Employees 3621% decrease | Employees 2,0023% increase | Employees 137% decrease |

Hottinger Brüel & Kjær (HBK) is a company that develops technology for measuring and managing sound and vibration.
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