OILTANKING SINGAPORE LTD
OMB VALVES ASIA PTE LTD
OMNI UNITED (S) PTE LTD
OMNISENSE SYSTEMS PTE LTD
Scope:Design, fabrication, assembly, installation, testing and commissioning, maintenance of electro-optics equipment.
ONE°15 MARINA CLUB
ONESYSTEMS TECHNOLOGIES PTE LTD
ONG & ONG PTE LTD
Scope:Architectural consultancy and construction supervision services.
OPTO PRECISION PTE LTD
OPTO-PHARM PTE LTD
OPUS IT SERVICES PTE LTD