Allied Insulators

United Kingdom

EMCO Industries

Pakistan

Norsk Teknisk Porselen Products AS

Norway

Hitachi Energy Transformer Components and Service

Switzerland

KSE Electricals

India

Dalian Insulator Group T&D Co., Ltd

China

Reinhausen Power Composites

Germany

Newell-PSN (A Power Grid Components Inc. Company)

United States

Aditya Birla Insulators (A Unit of Grasim Industries Ltd)

India

Aditya Birla Power Composite Limited (ABPCL)

India

PPC Insulators

Austria

Wenzhou Yikun Electric

China