- 3M
- Allied Signal
- Ameritech
- Apple
- AT&T
- Bourns
- Canon
- Compaq
- EG&G
- General Electric
- GTE
- Hitachi
- Honeywell
- Hughes
- IBM
- JRC
- Lockheed
- Lucent Technologies
- Magnavox
- Matsushita
- MCI
- NCR
- NEC
- Nokia
- Nortel
- NTT
- Oki
- Omega
- Pacific Bell
- Philips
- Raytheon
- Rockwell
- Samsung
- Sanyo
- Sharp
- Siemens
- Sony
- TDK
- Toshiba America
- TRW
- Xerox
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