Norsk Teknisk Porselen Products AS

Norway

Vexila (PTY) Ltd

SOUTH AFRICA

Siemens Energy Global GmbH & Co. KG

Germany

PLP

USA

Hivolt Power System

China

KSE Electricals

India

DALEKOVOD OSO

Croatia

LAPP Insulators GmbH

Germany

Electro Sound Industries (INES)

Morocco

Reinhausen Power Composites

Germany

Sinoma Jiangxi Insulator and Electricity Co,. Ltd

China

Balestro – Indústria Eletromecânica

Brazil