Well, as a suggested link above is good to have an idea which is better escrow service in the forum and you can hire them for your long term business. I will recommend @bl4nkcode and you can directly pm to that account and ask about your business.

It seems the list is not updated you can try this other reference, https://bitcointalk.org/index.php?topic=276897.0.
Indeed, good luck with your business and stay safe from scammers. Escrow is very helpful between the seller and buyer, it's a perfect for using Bitcoin if any of you want to protect privacy.