Hitachi Energy Transformer Components and Service

Switzerland

Wenzhou Yikun Electric

China

LAPP Insulators GmbH

Germany

Dalian Insulator Group T&D Co., Ltd

China

PFISTERER

Germany

Allied Insulators

United Kingdom

EB Rebosio SRL, A Bonomi Group Company

Italy

Hivolt Power System

China

Newell (A PGC Company)

United States

Norsk Teknisk Porselen Products AS

Norway

Zapel S.A.

Poland

PPC Insulators

Austria