Here we go.... possibly.
Mayflower vehicle systems out of Norwalk,Ohio
They would,"...receive the space frame and then e-coat it prior to the start of the assembly process.There are ten build stations and a robotic hemming cell."
this is out of the " Ford, Ford GT" Team Hitory book presented to us from the Detroit Rally.
Google the company and you'll probably get a website or at least a match.
Metro Technologies Ltd. Was contracted to build the actual space frame.
The V.P. of this company is Craig Blust.
Hope this info helps you with your search.
TM
But now as I look at the above post. My first guess(calculated answer) was correct... Saleen out of MI.