Office Locations Gulf Supplies and Commercial Services (GSCS) and Abu Dhabi Supplies and Commercial Services (ASCS) Corporate Headquarters are located in Abu Dhabi in the United Arab Emirates (UAE).  GSCS also maintains satellite offices in Afghanistan, Bahrain, Djibouti, Iraq, Jordan, Kuwait, Kyrgyzstan, Oman, Qatar, and the United States. International Mail Address GSCS/ASCS P. O. Box 768 Abu Dhabi, UAE FedEx/DHL Address GSCS/ASCS Al Fardan Building, Floor 1, Office 101 Hamdan Street Abu Dhabi, UAE Telephone 011 971 2 676 7400 (From the USA) 00 971 2 676 7400 (International outside the USA) Fax 011 971 2 622 1103 (From the USA) 00 971 2 622 1103 (International outside the USA) E-mail info@gscsgulf.com (General Business Inquiries)