This is the list of current procurement tender(s) open for proposals in the Preparatory Commission for the CTBTO. Please visit this site from time to time for information on new procurement tenders.

RFP/RFQ No.RFQ No. 2014-0306/STOMOV
Date posted17 September 2014

Tools and Equipment for IMS Workbench

Request for Quotation

Closing date22 September 2014
RFP/RFQ No.RFP No. 2014-0297/SOW
Date posted10 September 2014

The Disc Extension of the Office Automation Storage Arrays

Request for Proposal

Clarification No. 1

Closing date30 September 2014
RFP/RFQ No.RFQ No. 2014-0294/ORNAT
Date posted08 September 2014

Station Vehicles for IS31 and AS057

Request for Quotation

Closing date17 September 2014
RFP/RFQ No.RFI No. 2014-0296/ALVAREZ
Date posted04 September 2014

Equipment Storage and Maintenance Facility

Request for Information

Closing date08 October 2014

Additional information

If you are not yet registered with our organization, kindly fill in our Vendor Profile Form (Word Document) and return it either electronically to or via post to Chief, Procurement Section,  CTBTO, Vienna International Centre Wagramerstrasse 5, P.O. Box 1200, A-1400 Vienna, Austria.  Further information for potential vendors can be found in Annex I, Annex II, Annex III and in our General Conditions of Contract (Word Document). Please note that only requests from registered companies or organizations from CTBTO Member States (Word Document) will be considered.

In addition, if you wish to be included in the CTBTO mailing list, please contact the Procurement Section of CTBTO at You will then be informed of new tenders via Email as soon as they are issued.