Norsk Teknisk Porselen Products AS

Norway

Sinoma Jiangxi Insulator and Electricity Co,. Ltd

China

LAPP Insulators GmbH

Germany

PFISTERER

Germany

Electroporcelana Gamma S.A.S.

Colombia

Modern Insulators

India

Allied Insulators

United Kingdom

Zapel S.A.

Poland

PPC Insulators

Austria

EMCO Industries

Pakistan

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

India

Dalian Insulator Group T&D Co., Ltd

China