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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.

Vendor identifiers 555, 666, 777, 888, 911, 999, and 1111 are reserved for ASHRAE and will not be assigned to a vendor.

As of January 05, 2019, 1119 Vendor IDs have been issued and are distributed internationally as shown in the following list:
 
USA379
Germany126
Canada81
Japan64
China55
United Kingdom52
Australia39
Switzerland34
Poland25
Italy24
Korea23
France20
Austria18
Denmark14
Sweden14
Czech Republic13
Netherlands13
India11
Taiwan11
Belgium9
Finland9
Malaysia8
Brazil7
Hong Kong7
South Africa7
Spain6
Lithuania5
Israel4
New Zealand4
Hungary3
Norway3
Singapore3
Turkey3
Croatia2
Ireland2
Luxembourg2
Serbia2
Slovakia2
Vietnam2
Argentina1
Chile1
Estonia1
Iceland1
Latvia1
Mexico1
Philippines1
Romania1
Russia1
Saudi Arabia1
Slovenia1
Thailand1
United Arab Emirates1

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