- Hisar Locks Ind. Trade Co. Ltd..
- Address:Sanayi Mah. Ho?dere Yolu No:35 Istanbul Esenyurt 34150 Turkey
- Makfa Electronics Machinery Manufacturing Ltd.
- Address:MERSIN FREE ZONE MERSIN TURKEY Turkey
- Gokerplast Security Seals Ltd
- Address:Yeniyol Sk No:22/9 Acıbadem Kadikoy Istanbul 34718 Turkey
- Celiksan Ltd Co. (Topkapi Lock)
- Address:Maltepe Numunebag cad. Gunay sok.No:1/13 Istanbul Bayrampasa 34030 Turkey
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