Romania
- AE Electronics
- Benchmark Electronics
- Celestica
- Connectronics
- Continental Automotive Systems
- Electroarges
- Electromagnetica
- Elettra (Marconi Selenia)
- Flextronics
- GDM Electronics
- Honeywell
- Intrarom
- Italtronic
- Kuhnke Relee
- Plexus Services
- Topex Public Switching
Hungary
- 77 Electronika
- Alpine Electronics Manufacturing of Europe
- Elcoteq
- FER-KAPU
- Flextronics
- Jabil
- Sanshin
- Selcom
- Szem
- Triton
- Vilati
- WAHL
Bulgaria
- Curtis/Balkan
- Deltacom
- EPIQ Electronic Assembly
- Teletek Electronics