Polycast

Canada

MacLean Power Systems

United States

K-Line Insulators Ltd.

Canada

Allied Insulators

United Kingdom

Vexila (PTY) Ltd

SOUTH AFRICA

EC Insulator Jiangxi Co., Ltd.

China

Dalian CTC Insulator Company Limited

China

Wish Power (Thailand) Co. Ltd

Thailand

Norsk Teknisk Porselen Products AS

Norway

Polipar Energy System

Turkiye

Eximprod Power Systems S.A.

Romania

Reinhausen Power Composites

Germany