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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 July 31, 2019, 1164 Vendor IDs have been issued and are distributed internationally as shown in the following list:
 
USA391
Germany131
Canada82
Japan67
China57
United Kingdom55
Australia39
Switzerland37
Italy26
Poland25
Korea23
France21
Austria19
Sweden16
Denmark14
India14
Czech Republic13
Netherlands13
Taiwan11
Belgium9
Finland9
Hong Kong8
Malaysia8
Spain8
Brazil7
South Africa7
Israel5
Lithuania5
New Zealand4
Norway4
Turkey4
Hungary3
Singapore3
Croatia2
Ireland2
Luxembourg2
Serbia2
Slovakia2
Vietnam2
Argentina1
Chile1
Estonia1
Iceland1
Jordan1
Latvia1
Mexico1
Philippines1
Romania1
Russia1
Saudi Arabia1
Slovenia1
Thailand1
United Arab Emirates1

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