PROFESSIONAL TESTING SERVICES PTE LTD
QA SYSTEMS PTE LTD
SAYBOLT SINGAPORE PTE LTD
SEALING & COATING NDT MARINE SERVICES
SGS TESTING & CONTROL SERVICES SINGAPORE PTE LTD
STANDARD GENERAL SUPERINTENDENCE & TESTING LABORATORY PTE LTD (SGSTL)
STANDARD NON-DESTRUCTIVE TESTING PTE LTD
TEST-TECH PTE LTD
UL INTERNATIONAL SINGAPORE PTE LTD
UNISPEC ADJUSTERS & SURVEYORS (S) PTE LTD