| Year | Project Name | Scope of work |
| 1991 | SIAM INTERCONTINENTAL HOTEL | FIRE PROTECTION SYSTEM |
| TOSHIBA SEMICONDUCTOR FACTORY PHASE 1 | PLUMBING FIRE PROTECTION & UTILITY SYSTEM |
|
| 1992 | NONTHABURI PALACE | PLUMBING SYSTEM |
| ROYAL PRINCESS HOTEL (NAKHON RATCHASIMA) | AIR CONDITIONING | |
| ORIFLAME TOWER | AIR CONDITIONING SYSTEM | |
| SCIENCE RESEARCH (NAKHON PATHOM) | SWIMMING POOL SYSTEM | |
| ROBINSON DEPARTMENT STORE | PLUMBING SYSTEM | |
| 1993 | KHANOM COMBINED CYCLE (NAKHONSITHAMMARAT POWER PLANT) | VENTILATION SYSTEM |
| BEER THAI FACTORY (AYUTTHAYA) | FIRE PROTECTION | |
| SCIENCE RESEARCH (NAKHONPRATOM) | AIR CONDITIONING | |
| MEA. SUBSTATION (SOONVIJAI) | PLUMBING SYSTEM | |
| SIAM COMMERCIAL BANK NEW HEAD OFFICE (SCB PARK) | AIR CONDITIONING SYSTEM | |
| TETRA PACK | PLUMBING SYSTEM | |
| THAI HONDA MANUFACTURING (LADKRABANG) | FIRE PROTECTION & PLUMBING SYSTEM | |
| 1994 | ISUZU ENGINE MANUFACTURING (PHASE II) | FIRE PROTECTION PLUMBING AIR CONDITIONING & UTILITY |
| LE CONCORDE HOTEL | PLUMBING SYSTEM | |
| SUAN LUANG DISTRICT OFFICE | AIR CONDITIONING & VENTILATION SYSTEM PLUMBING SYSTEM |
|
| 1995 | SATHORN NAKORN TOWER | AIR CONDITIONING SYSTEM |
| FCC FACTORY (THAILAND) PHASE II | FIRE PROTECTION PLUMBING AIR CONDITIONING & UTILITY |
|
| THAI HONDA MANUFACTURING (LADKRABANG) | FIRE PROTECTION PLUMBING AIR CONDITIONING & UTILITY SYSTEM |
|
| ISUZU ENGINE MANUFACTURING (PHASE IV) | FIRE PROTECTION PLUMBING AIR CONDITIONING & UTILITY SYSTEM |
|
| THAI YAZAKI ELECTRIC WIRE FACTORY | FIRE PROTECTION PLUMBING AIR CONDITIONING & UTILITY SYSTEM |
|
| LE CONCORD HOTEL | AIR CONDITIONING SYSTEM |