I am looking for a company in the US that can print an image on a
black t-shirt and provide high quality results. The image in question
is very complicated and will require special equipment to print. The
image can be found at http://www.darkmyst.org/logos/darkmyst.jpg

I am not sure what printing technique is used, but if you want to
check their quality withot major expense Cafe Press will allow you to
order T-shirts as a one-off and now have black Haines Ts, printed with
your design, from 18.99.

Their site is at:

http://www.cafepress.com

I'm aware of Cafe Press, but I believe that they screenprint their
shirts, which wouldn't be sufficient for the image file that I'm
trying to use.