Best place to get custom shirts? (2nd try)

I used a .png this time. Let's see if this works?

I have a 300dpi PNG and/or an SVG of the above design and I'd like it put on a shirt, either black-on-white or white design on a black shirt. I'd like to have a men's fitted shirt made because comfort, and I have no idea what the best place to get this done is.

Ideas?

In the odd chance that the link works this time, here's a link to the original svg