KNX Association Belgium

Korea Electrotechnology Research Institute Korea

Korea Testing Laboratory South Korea

KPN B.V. Netherlands

Laborelec Belgium

Landis+Gyr AG Switzerland

Larsen & Toubro Limited India

LINYANG Electronics China

Logica UK Limited U.K.

LS Industrial Systems Co., Ltd. South Korea

M-Bus User Group Germany

MAEC France

Matrikon Canada

Maxim India Integrated Circuit Design PVT Ltd. India