International Christian Concern
"Serving Christ's Persecuted Body: Assistance, advocacy, and awareness for the persecuted & suffering Christian Church with Integrity towards God and our donors."
The Voice of the Martyrs
"A global perspective on the persecution of God's children."
There are other resources available as well. 2 great books on persecuted Christians around the world are:
Jesus Freaks by dc Talk and the Voice of the Martyrs
Tortured For Christ by Richard Wurmbrand