ISO 9001

OBAYASHI CORPORATION (OVERSEAS BUSINESS DIVISION)

PHONE (65) 6220 6333

OBAYASHI CORPORATION PRIVATE LIMITED

PHONE (65) 6220 3122

OCEAN ENTERPRISE (INT) PTE LTD

PHONE (65) 6746 9321

OCEANIC OFFSHORE ENGINEERING PTE LTD

PHONE (65) 6263 7587

OCEANMASTER ENGINEERING PTE LTD

PHONE (65) 6448 2110

O'CONNOR'S SINGAPORE PTE LTD

PHONE (65) 6470 2000

OCS FACILITIES MANAGEMENT SINGAPORE PTE LTD

PHONE (65) 6863 0500

ODYSSEY TECHNICAL SOLUTIONS SINGAPORE PTE LTD

PHONE (65) 6746 9711

OGSP ENGINEERING PTE LTD

PHONE (65) 6280 5950

OILTANKING SINGAPORE CHEMICAL STORAGE PTE LTD

PHONE (65) 6883 6520