Actaris	Belgium
ADD Grup	Moldova, Republic Of
Advanced Digital Design S.A	Spain
AEM	Romania
Alcatel-Lucent	United States
ALSI	France
Amosense Co., Ltd	Korea, Republic Of
Analog Devices Inc	France
AP Systems	Italy
Apator S.A.	Poland
Aquametro AG	China
Arzamas Instrument Plant JSC	Russian Federation
Asaïs	France
Atos Origin	Netherlands
Cinterion Wireless Modules	Germany
Circutor	Spain
Cordys	Netherlands
DataGenic	United Kingdom
Digi International	France
DLMS User Association	Switzerland
Dr. Neuhaus Telekommunication GmbH	Germany
Elektromed	Turkey
Elsewedy Electrometer	Egypt
Elster	France
Elvaco AB	Sweden
EMH Elektrizitätszähler GmbH & Co KG	Germany
EMS-Patvag AG	Switzerland
Enerdis Chauvin Arnoux	France
EnergyICT	Belgium
Enfora	United Kingdom
Ericsson AB	Sweden
EURIDIS Association	France
Eve Energy Co., Ltd	China
Excelergy	Netherlands
Ferranti Computer Systems	Belgium
Flonidan DC A/S	Denmark
Fraunhofer Institute	Germany
General Insulation Europe Ltd.	Germany
Generis Technology Ltd	United Kingdom
Görlitz AG	Germany
Gruner AG	Germany
Hexing Electrical Co.,Ltd.	China
Home Rider Systems	France
Hydrometer GmbH	Germany
Imbema	Netherlands
ISA - Intelligent Sensing Anywhere	Portugal
Iskra MIS	Slovenia
Iskraemeco, d.d.	Slovenia
ITF-EDV Fröschl GmbH	Germany
J&D Electronics Co., Ltd.	Korea, Republic Of
Kamstrup A/S	Denmark
Kema	Netherlands
KG Technologies	United States
KIGG Ltd	United Kingdom
Kocos Messtechnik	Germany
Landis+Gyr AG	Switzerland
Larotec Ltd.	Israel
Logica	United Kingdom
Lowri Beck Services Limited	United Kingdom
Manas Electronics Inc.	Turkey
MeshNetics	Germany
Metering International	South Africa
Motorola	United States
MTE Meter Test Equipement AG	Switzerland
Netinium	Netherlands
Oracle Utilities	France
Osaki Electric Co. Ltd.	Japan
Osisoft, Inc.	United States
Outsystems	Netherlands
Panasonic Industrial Europe GmbH	Germany
Powel ASA	Norway
PRI Ltd	United Kingdom
Process Vision	Finland
Radiocrafts AS	Norway
Radio-Tech Ltd.	United Kingdom
Ramtron	United States
Renesas Technology	Germany
Sagem Communications	France
Scatterweb GmbH	Germany
Sensinode Ltd.	Sweden
Sensus Metering Systems	Germany
Sentec Ltd	United Kingdom
Siemens AG	Germany
Sitronics Telecom Solutions	Czech Republic
Smart Dutch	Netherlands
Smarteg Wireless AB	Sweden
Synergy	Netherlands
Taehwatrans Co., Ltd.	Korea, Republic Of
Tailor Made	Sweden
Technolog Limited	United Kingdom
Telenor Cinclus AS	Norway
Telit Wireless Solutions	Italy
Telvent	Spain
Temix	Italy
Teridian Semiconductors Corp.	United States
Texas Instruments	Germany
Tixi.Com GmbH	Germany
Tritech Technology AB	Sweden
Ubitronix system solutions GmbH	Austria
Vacuumschmelze GmbH	Germany
VP Instruments B.V.	Netherlands
Wavecom	France
Wikon GmbH	Germany
Windmill Innovations	Netherlands
Xemex	Belgium
Xemtec AG	Switzerland
Xeno Energy Co., Ltd.	Korea, Republic Of
Yitran Communications Ltd	Israel
Zera GmbH	Germany
ZIV	Spain
ZPA Smart Energy	Czech Republic
Z-Wave Alliance	United States