R
| RAMOS Technology Co., Ltd. | Product Guide | Website |
| RATOC Systems, Inc. | Product Guide | Website |
| Realtek Semiconductor Corp. | Product Guide | Website |
| Ricoh | Product Guide | Website |
| RITDATA Technology Inc. | Product Guide | Website |
| Ritek Corporation | Product Guide | Website |
| Rohm Co., Ltd. | Product Guide | Website |
| Roland Corporation | Product Guide | Website |
This page last updated December 10, 2007