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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 November 11, 2019, 1185 Vendor IDs have been issued and are distributed internationally as shown in the following list:
 
USA394
Germany134
Canada83
Japan67
China57
United Kingdom56
Australia40
Switzerland37
Italy26
Poland25
Korea24
France22
Austria20
Sweden18
India15
Denmark14
Netherlands14
Czech Republic13
Taiwan11
Finland10
Belgium9
Malaysia9
Spain9
Hong Kong8
Brazil7
South Africa7
Israel5
Lithuania5
New Zealand4
Norway4
Singapore4
Turkey4
Hungary3
Croatia2
Ireland2
Jordan2
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!