- Syrian Government forces (supported by Russia and Iran)
- YPG or the ethnic Kurd forces (now supported by US)
- ISIS (was equipped and financed by Arab Emirates and CIA)
- Iranian forces
- Russian Air force
- US Air Force
- Israel Air Force (past few months)
- Turkey ground troops, artillery and tanks.
Some like to call it a Proxy War of World Powers (which it is). By World powers it doesn't necessarily mean World Nations, but the hidden culprits forces of the Globalists.