Hivolt Power System

China

Electroporcelana Gamma S.A.S.

Colombia

PFISTERER

Germany

Aditya Birla Insulators (A Unit of Grasim Industries Ltd)

India

Zapel S.A.

Poland

DALEKOVOD OSO

Croatia

Aditya Birla Power Composite Limited (ABPCL)

India

Norsk Teknisk Porselen Products AS

Norway

EMCO Industries

Pakistan

Nanjing Electric Insulator Co.,Ltd

CHINA

Meister International

USA

Insulators & Electricals Company (Prop. Hindusthan Urban Infrastructure Ltd.)

India