Its not only religious factions that would have FS people. Lots of factions do though I don't think they all offer public FS testing. However most factions will have you FS tested once you join them. Though I'd talk to them about it first if thats the main factor for you.
Mark I don't think you understand. TJO "contracts" out to other factions doing tests. To join TJO you have to be FS though there are times when they did have pilots in the past that were not FS to my recollection.