HBK On 1 January 2019, Brel & Kjr and HBM merged their activities into a new company called HBK (Hottinger Brel & Kjr). With more than 3,500 employees worldwide and production facilities in Denmark, Germany, the UK, the USA, China and Portugal and presence in 80 countries, HBK is a leading player in the test and measurement area. For further info please visit www.hbkworld.com. HBK is a division of Spectris plc, a UK-based productivity-enhancing instrumentation and controls company serving leading aerospace, automotive, medical, and other customers. Spectris plc is listed on the London Stock Exchange.