. OIL STATES  INDUSTRIES (SINGAPORE)
. MTQ ENGINEERING PTE LTD (SINGAPORE)
. OIL STATES INDUSTRIES (UK)
. BEGLEY INTERNATIONAL (Australia)
. KALAPURNA STEEL AND ENGG (India)
. GE VETCO GRAY (SINGAPORE)
. SCOMI OILFIELD SERVICES (SINGAPORE)
. OIL STATES INDUSTRIES (USA)
. WASCO OIL TOOLS (Nigeria)

. Seah Besteel (Gunsan City, South Korea)
. Posco (Pohang City, South Korea
. Posco SS (Changwon City, South Korea)
. Kisco (Changwon City, South Korea)
. Hyundai Steel (Incheon City, South Korea)
. Mitsubishi (Muroran City, Japan)