Commercial Service has one office in Yemen (Sana'a), with the headquarters in Washington DC. Tyler Hoffman, is the Regional Desk Officer, his contact information is as follows:

US Dept. of Commerce
ITA/Office of the Near East
Tel/Fax: 202-482-0879/ 202-482-0878
14th & Constitution Ave., NW Room# 2830
Washington, DC 20230

contact our office in Yemen:

Sana'a