This 3 peple are best in this forum whos are providing escrow service.
1) Monbux
2) Tomatocage
3) OgNasty
You can see full details here:
https://bitcointalk.org/index.php?topic=855778.0 just read the post carefully, you also get a lot of people who offering free escrow service.
The above three are really good choice as they have being trusted and being there for very long . Check their profile and you can 100% trust those guys. But you will have to pay the fees for utilizing their services.