The "Washington Institute for Near East Policy" is another big one

MEMRI is the US non-profit organization that provides translations from Arabic for the Western media:

"MEMRI was co-founded by Israeli ex-intelligence officer Yigal Carmon and Israeli-American political scientist Meyrav Wurmser in 1998. MEMRI describes itself as being independent and non-partisan. Some critics have described MEMRI as aiming to portray the Arab world and the Islamic world in a negative light by producing and disseminating incomplete or inaccurate translations of the original versions of the media reports that it republishes." (Wikipedia)