I think the Duggal lab (NYC) was doing this, with a 4x5 LVT. I don't see the service listed on their new site, but you could contact them to ask.
EDIT: Derp. I should have used the Search function on their site. The LVT is here:
I think they output to TMax and Portra(?). I was interested in this process a few years ago but never pulled the trigger because i don't like TMax....