1 January 2016. The Islamic State of Iraq and Al-Sham (ISIS) has reportedly recaptured the strategic town of Ain Issa in the Al-Raqqa Governorate after a series of violent firefights with the U.S. backed “Syrian Democratic Forces” (SDF) on Wednesday afternoon.

AL MASDAR

http://www.almasdarnews.com/article/isis-reportedly-recaptures-ayn-issa

At industryabout.com:

Syria - Industrial Facilities Map