| 1. | MINEBEA | CDA.& EXHAUST FOR CONVEYOR |
| 2. | MNEJI | SUPPORT PIPE RACK DRAIN PIPING WORK AIR CONDITION PIPING LAY OUT PLAN |
| 7. | TT (RAYONG) | AIR COMPRESSOR PIPING WORK DUCTING WORK |
| 8. | BECC (RAYONG) | AIR COMPRESSOR PIPING WORK |
| 12. | WESTRAN DIGITAL | CHILLER PIPING & AIR COMPRESSOR PIPING WORK |
| 15. | HITACHI | PROCESS VACUUM PIPING WORK |
| 16. | SAHA - UNION | CHILLER WATER PIPING WORK |
| 17. | SONY | AIR COMPRESSOR PIPING WORK |
| 20. | SLT. | AIR PIPING WORK & DRAIN PIPE |
| 22. | NIKON SEIKI | CHILLER SUPPLY FOR OAC & AHU. |
| 23. | SBI. (นิคมฯ สหบางปลากด) | INSTALLATION AIR CONDITION |