1 TP&T Tower, 12^th Fl., Vibhavadi-Rangsit Rd.,
Chatuchak, Bangkok 10900

(66) 0 2936 1429 
< Customer Support Unit: CSU ต่อ 700 email: csu@ic.or.th
   - RMTS Online Database 
   - RMTS & eMT Online
< Overdue Payment & Invoice ext. 404 email: finance@ic.or.th
< Training & Seminar Service ext. 205-209 email: icis@ic.or.th
< RMTS, eMT Online, Membership Application ext. 202-203 
  email: cus_service@ic.or.th
< Counter Service ext. 310-313 email: counterservice@ic.or.th 
< Emergency (24 hours) 098 553 0447