Sinoma Jiangxi Insulator and Electricity Co,. Ltd

China

Aditya Birla Power Composite Limited (ABPCL)

India

Modern Insulators

India

PFISTERER

Germany

Dalian Insulator Group T&D Co., Ltd

China

Hivolt Power System

China

LAPP Insulators GmbH

Germany

Electroporcelana Gamma S.A.S.

Colombia

PPC Insulators

Austria

Aditya Birla Insulators (A Unit of Grasim Industries Ltd)

India

Zapel S.A.

Poland

Norsk Teknisk Porselen Products AS

Norway