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VENDOR IDS
BACnet provides facilities by which "private," i.e., non-standard, information may be transported. In order to arbitrate between non-standard messages of different manufacturers, BACnet defines a numerical "vendor identifier." Vendor IDs are available to any BACnet implementor without cost. For details on how to obtain a Vendor ID, please click here.

As of May 15, 2013, 651 Vendor IDs have been issued and are distributed internationally as shown in the following list:
 
USA240
Germany71
Canada54
Japan54
Australia21
United Kingdom21
China17
Korea16
Switzerland15
France14
Italy12
Denmark11
Poland11
Netherlands10
Austria9
Sweden9
Hong Kong8
Taiwan7
Czech Republic6
Malaysia6
India5
Israel4
Brazil3
South Africa3
Finland2
Ireland2
Slovakia2
New Zealand2
Serbia2
Spain2
Argentina1
Belgium1
Croatia1
Estonia1
Hungary1
Latvia1
Luxembourg1
Norway1
Russia1
Singapore1
Turkey1
Vietnam1

The current list of Vendor IDs may be viewed by clicking here!