- MAKROGES Power Electronic System Industry and Trade Co
- Address:OSTIM 4. SOKAK NO 27
- Tumel Elektronik Ltd.
- Address:10016 Sk. No : 16
- SURKON International Ltd Co
- Address:13 Sokak No: 3 Ostim Yenimahalle
- Alfer
- Address:Oguz CAD. No: 15
- ALPHA WORLD ELEKTRIK MUHENDISLIK LTD.STI.
- Address:Kimya Org San Bolgesi C17 Parsel Tem Yan Yol
- ESIS ENERJI VE ELEKTRONIK SANAYI VE TICARET AS
- Address:Dudullu Org. San. Bolg. Esenkent Mah. Baturalp Sok. No: 14