| 3M Philippines, Inc. |
| Advantek, Inc. |
| Amkor Technology Phils., Inc. P1 |
| Amkor Technology Phils., Inc. P3 |
| Analog Devices Gen. Trias, Inc. |
| Angeles Trading |
| Astec International – ROHQ |
| Astec Power, Inc. |
| Bhernard Tahimic (Local) |
| Bob Caringal (Local) |
| Canon Information Technologies Phils., Inc. |
| Caritas Healthshield, Inc. |
| Cee & Gee Precision Phils., Inc. |
| Continental Temic |
| Cypress Mfg. Ltd. Philippine Branch |
| EMRESS |
| Fairchild Semiconductors Phils., Inc. |
| FastechElectronique Phils., Inc. |
| Felix Cordero (Local) |
| Fuji Xerox Phils., Inc. |
| Fujitsu Ten Corporation of the Philippines |
| FujiXerox Eco-Manfacturing Co., Ltd. |
| H3 Technology, Inc. |
| Headline I & C Phils., Inc. |
| Hewlett-Packard Phils., Corp. |
| Ibiden Philippines, Inc. |
| Infiniti Solutions Pte. Ltd. (Phils.), Inc. |
| InfonXX |
| Intel Technology Phils., Inc. |
| Ionics-EMS, Inc. |
| Isola Hong Kong |
| Katolec Philippines Corp. |
| Kisho Sakata |
| Kyouritsu Electronics Phils., Inc. |
| Lear Automotive |
| Lexmark International (Phils.), Inc. |
| Lucent Technolgies |
| MA Technology, Inc. |
| Maxim Philippine Operating Corp |
| Metech International |
| Mitsui and Co. Ltd. Manila Branch |
| Nathar International |
| NEC Technologies/NEC Logistics |
| NEC Toppan |
| Orient Semiconductor Electronics Phils., Inc. |
| Palafox and Associates |
| Panasonic Communications Imaging Corp. |
| Perkinelmer |
| Philips Semiconductors Phils., Inc. (Cabuyao) |
| Philips Semiconductors Phils., Inc. (Calamba) |
| Pilipinas Kyoritsu Inc. |
| Pricon Microelectronics, Inc. |
| PSi Technologies, Inc, (Taguig) |
| PSi Technologies, Inc. (Laguna) |
| Remec Broadband |
| RF Monolithics, Inc. |
| Samsung Appliances |
| Samsung Electronics Philippines Mfg. Corp. |
| Sanko Seiki Co., Ltd. |
| Sanyo Denki Phils., Inc. |
| Sanyo Semiconductor Mfg. Phils., Corp. |
| Schenker Logistics |
| Shindengen Philippines Corp. |
| Shinsho Phils., Inc. |
| SIIX Logistics |
| Smart Communications |
| SPi Semicon |
| Sunpower Phils., Mfg. Ltd. |
| TDK-Fujitsu |
| Team Pacific Corporation |
| Temic Semiconductors Test, Inc. |
| Timex |
| Tokairika (Phils.), Inc. |
| Tong Hsing Electronics (Phils.), Inc. |
| Top Mechatronics |
| Toshiba Information Equipment (Phils.), Inc. |
| Trisilco |
| Tyco Electronics |
| Vishay (Phils.), Inc. |
| Welgro |
| Xion Innovators |
Metal Recovery System