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

Telephone : (66) 0 2936 1429
- RMTS Online Database ext. 512-515
  email: databaseonline@ic.or.th
- RMTS & eMT Online ext. 700 email: callcenter@ic.or.th
- 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. 202-204
  email: cus_service@ic.or.th
- Counter Service ext. 310-313 email: counterservice@ic.or.th