Wish Power (Thailand) Co. Ltd

Thailand

Norsk Teknisk Porselen Products AS

Norway

Polycast

Canada

MacLean Power Systems

United States

Reinhausen Power Composites

Germany

Allied Insulators

United Kingdom

EC Insulator Jiangxi Co., Ltd.

China

Zhejiang Gaoneng Electric Installation Co., Ltd.

China

Sinoma Jiangxi Insulator and Electricity Co,. Ltd

China

Zapel S.A.

Poland

K-Line Insulators Ltd.

Canada

Balestro – Indústria Eletromecânica

Brazil