| ANA | Kawasaki Heavy Industries | OKI ELECTRIC |
| DENSO | KOITO | OLYMPUS |
| Fuji Heavy Industries | KOMATSU | OMRON |
| Furukawa Battery | KONICA MINOLTA | PANASONIC |
| Furuno | KOWA | RICOH |
| Hamamatsu Photonics | Mitsubishi Cable | SANYO |
| HITACHI | Mitsubishi Electric | SHARP |
| HITZ | Mitsubishi Heavy Industries | SHINMAYWA Industries |
| HONDA | Mitsubishi Precision | SONY |
| IBEX AIRLINES | Mitsubishi Space Software | SUMITOMO Heavy Industries |
| IHI | NEC | TEIJIN PHARMA |
| IKEGAMI | NHK | TOKYO DENPA |
| JAL | NHK Spring | TOSHIBA |
| JAPAN RADIO | NIPPI | |
| JFE STEEL | NIHON AVIONICS | |
| JAPAN Ministry Of Defense | NTT Facilities |
Head office:
2-4-8 Doshin Kita-ku
Osaka Japan 530-0035
TEL +81-6-6352-0207
FAX +81-6-6352-0576