technologies   description      
  BACnet   open protocol      
  EIB   open protocol      
  LON   open protocol with standard definitions, LONMark and LONWork      
  M-BUS   open protocol normally associated with energy meters      
  MODBUS   open protocol      
  OPC   OLE for process control      
  PROFIBUS   open protocol normally seen in the industrial sector      
  companies   description      
  aqua metro   water meter manufacturer      
  cerberus   fire system manufacturer, now part of siemens      
  citect   SCADA manufacturer      
  honeywell   building management system manufacturer      
  fidelio   hotel booking system manufacturer      
  securiton   access and fire system manufacturer      
  siemens   building management system manufacturer      
  staefa   building management system manufacturer now part of siemens      
  tormax   door control manufacturer      
  zumtobel   lighting system manufacturer      
this glossary represents a summary only