Norsk Teknisk Porselen Products AS
Norway
PPC Insulators
Austria
Dalian Insulator Group T&D Co., Ltd
China
PFISTERER
Germany
Zapel S.A.
Poland
Hivolt Power System
Electroporcelana Gamma S.A.S.
Colombia
LAPP Insulators GmbH
Sinoma Jiangxi Insulator and Electricity Co,. Ltd
Insulators & Electricals Company (Prop. Hindusthan Urban Infrastructure Ltd.)
India
Modern Insulators
EMCO Industries
Pakistan
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