ISO 9001

O S K METAL (S) PTE LTD

PHONE (65) 6760 1661

OBAYASHI CORPORATION (OVERSEAS BUSINESS DIVISION)

PHONE (65) 6220 3122

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

OCTOPOD ASIA (PTE LTD)

PHONE (65) 6271 2588

ODYSSEY TECHNICAL SOLUTIONS SINGAPORE PTE LTD

PHONE (65) 6746 9711