Aditya Birla Power Composite Limited (ABPCL)

India

PFISTERER

Germany

Allied Insulators

United Kingdom

LAPP Insulators GmbH

Germany

Hivolt Power System

China

Pingxiang Huaci Insulators Group Co. Ltd.

China

Norsk Teknisk Porselen Products AS

Norway

Electroporcelana Gamma S.A.S.

Colombia

PPC Insulators

Austria