They come to my crossfit gym 4-5 times a year.
http://www.bodyfattest.com/
Just a FYI, I have a scale that does it also and find that it is 1-2% lower than what the water dunking is for what it is worth.
right on. i've done the dexa scan and water... dexa scan is the one I like the best but it's kind of pricey.