Norsk Teknisk Porselen Products AS

Norway

EC Insulator Jiangxi Co., Ltd.

China

MacLean Power Systems

United States

Pingxiang Best Insulator Group Co., Ltd.

CHINA

Zapel S.A.

Poland

Eximprod Power Systems S.A.

Romania

Allied Insulators

United Kingdom

K-Line Insulators Ltd.

Canada

Zhejiang Gaoneng Electric Installation Co., Ltd.

China

Wish Power (Thailand) Co. Ltd

Thailand

ASAsoft ® (Canada) Inc.

Canada

LAPP Insulators GmbH

Germany