- Advance Technology and Systems Co., Ltd. |
- Advantek Inc. Philippine |
- Analog Devices |
- AMI Semiconductor Inc. |
- Austriamicrosystems (Philippines) Inc. |
- CELESTICA Philippines Inc. |
- CYPRESS Manufacturing Ltd |
- Dallas Semiconductor |
- Maxim Philippines Operating Corporation |
- NEC Philippines |
- N.T. Philippines |
- EAZIX, Inc. - Philippines |
- Integrated Microelectronics, Inc. |
- RADARGOLF |
- Telford |
- Amkor Technology |
- Ushio Philippines |
- Texas Instruments |