Accuenergy
Actaris [Itron]
Aichi
Badger Meter
Diehl
Eltako
Eltomatic
Finder
Giuliani Anello
Goldammer
Honeywell
Itron
Mecon
Megacon
Pietro Fiorentini
Piusi
Polyphaser
Allen Bradley (Rockwell)
Sel
Sensus
Tecalemit
Triad
VAF Instruments
Vse-Flow
Elster
Techcon Systems
Voltcraft
Cewe
Fisnar
Saia-Burgess
