Syria embassy legalization is currently stopped due to the closure of the Syria embassy in the United States and Canada.
The U.S. Arab Chamber of Commerce can only provide authentication from the US Department of State and the stamp of the US Arab Chamber of Commerce on Commercial documents such as FDA, USDA, USPTO and Commercial Power of Attorney.
Price per document is $80 per document. ($45.00 for the authentication and $35.00 for the chamber stamp). Processing time is 4 business days.

The US Arab Chamber of Commerce assists U.S. exporters and corporations to expedite the legalization process and obtain the required authentications in a timely manner. Commercial export Documents destined for use in Syria must be:
Companies must complete steps 1 and 2 before shipping the documents to US Arab Chamber of Commerce to expedite completion of steps 3, 4 and 5.
Please Note:
As a result of the closure of the Syrian Embassy in Washington DC, the US Arab Chamber of Commerce may legalize commercial certificate for use in Syria from the Syrian Consulate in Canada.
Call (202) 468-4200 for more details
US Arab Chamber of Commerce legalizes other commercial export documents and certificates from the Embassy of Syria in Washington D.C. such as Packing Lists, Insurance Certificates, Halal Certificates, Export Certificates, Radiation Certificates, Dangerous Goods Certificates, Inspection Certificates, Bill of Lading, Airway Bills, Pro Forma Certificates, Temporary Shipment Certificates, Ingredient Certificates, and ISO Certificates.
The chamber will stamp the document, authenticate it from the US Department of State, and legalize it by the Syrian Embassy in Washington DC. The process and fees for these documents are similar to the one previously listed above for commercial invoices. These documents must be certified from the same secretary of the state where they were issued.