does them, but currently has a wait of about four weeks for the work. Cottage industry issues; they only have so much manpower to make stuff with.
also makes them. Two to four week wait.
There are several other cuben tarp makers out there, and I'm almost certain that the majority of them would be happy to accommodate you in making doors for one. Cuben is still such a niche market that they'd most likely be happy to have the extra business.