| Ramtron |
Ramtron International Corporation |
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| Raytheon |
Raytheon Company |
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| RCA Solid State |
RCA Solid State |
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| Realtek |
Realtek Semiconductor Corp |
 |
| RECOM |
Recom International Power |
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| RECTRON |
Rectron Semiconductor |
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| Renesas |
Renesas Technology Corp |
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| RFMD |
RF Micro Devices |
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| RFM |
RF Monolithics Inc |
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| RFE |
RFE International |
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| RHOMBUS-IND |
Rhombus Industries Inc. |
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| RIA CON |
RIA CON |
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| Richardson Electronics |
Richardson Electronics |
 |
| RichTek |
Richtek Technology Corporation |
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| RICOH |
RICOH electronics devices division |
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| Rockwell |
Rockwell |
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| ROHM |
Rohm |
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| Round Solutions |
Round Solutions |
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| RTI |
RTI |
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| Rubycon |
Rubycon Corporation |
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