Zapel S.A.
Poland
Changsha Guoli Electric Equipments
China
Wenzhou Yikun Electric
Allied Insulators
United Kingdom
Newell (A PGC Company)
United States
EMCO Industries
Pakistan
Insulators & Electricals Company (Prop. Hindusthan Urban Infrastructure Ltd.)
India
ASAsoft ® (Canada) Inc.
Canada
Pingxiang Huaci Insulators Group Co. Ltd.
LAPP Insulators GmbH
Germany
Hunan Yangdong Porcelain Insulators
Dalian Insulator Group T&D Co., Ltd
Wish Power (Thailand) Co. Ltd
Thailand
EB Rebosio SRL, A Gruppo Bonomi Company
Italy
TID Technology Development Co. Ltd.
Guangzhou MPC Power International Co. Ltd.
Sinoma Jiangxi Insulator and Electricity Co,. Ltd
Modern Insulators
