Zapel S.A.

Poland

Vexila (PTY) Ltd

SOUTH AFRICA

Polipar Energy System

Turkiye

Aditya Birla Insulators (A Unit of Grasim Industries Ltd)

India

Wish Power (Thailand) Co. Ltd

Thailand

PFISTERER

Germany

Pingxiang Best Insulator Group Co., Ltd.

CHINA

Dalian Insulator Group T&D Co., Ltd

China

Norsk Teknisk Porselen Products AS

Norway

Eximprod Power Systems S.A.

Romania

PLP

USA