EMCO Industries

Pakistan

PFISTERER

Germany

Aditya Birla Insulators (A Unit of Grasim Industries Ltd)

India

Dalian Insulator Group T&D Co., Ltd

China

Modern Insulators

India

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

United States

LAPP Insulators GmbH

Germany

Norsk Teknisk Porselen Products AS

Norway

Sinoma Jiangxi Insulator and Electricity Co,. Ltd

China

Allied Insulators

United Kingdom

Meister International

USA

Electroporcelana Gamma S.A.S.

Colombia