Kojair Tech has references of more than 10.000 units since 1969, here you can see some of the latest ones: 

THE LATEST DELIVERIES OF SAFETY CABINETS
IN EUROPE

SWEDEN	Astra Zeneca, Södertälje Karolinska Hospital	9 cabinets 8 cabinets
NORWAY	St Olev Hospital, Trondheim Norlands Hospital, Bodö	110 cabinets 46 cabinets
DENMARK	The biocenter, Copenhagen Carlsberg, Copenhagen	57 cabinets 2 cabinets
GERMANY	Fraunhofer Institut, Aachen Max-Planck-institut, Köln	22 cabinets 6-8 cabinets
HOLLAND	UMC, Nijmegen Keuringsdienst van Waren
BELGIUM	Vlaams Universitair instituut Devgen, Zwinaarde	6 cabinets 5 cabinets
ESTONIA	The university of Technology, Tallinn The Laboratory of Food, Tarto	72 cabinets 10 cabinets
HUNGARY	The National Center of Epidemicology, Budapest	14 cabinets
RUSSIA	The Laboratory of Tuberculosis, Ekaterinburg The microbiological Laboratory, moscow	17 cabinets 6 cabinets