MacLean Power Systems

United States

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

United States

Avient (formerly PolyOne)

United States

Electroporcelana Gamma S.A.S.

Colombia

Wenzhou Yikun Electric

China

Zapel S.A.

Poland

Shanghai Rich Chemical New Material Co.,Ltd

China

Zhejiang Gaoneng Electric Installation Co., Ltd.

China

Midsun Group

United States

PPC Insulators

Austria

Sediver

France

Modern Insulators

India