Cushman would be the first/best/obvious choice.
I could also see any or all of the "Big Three" getting into the market.
Hell, a real savvy fella with a pocket full of investors could easily set up production in any of the blighted factories in Detroit. Imagine the tax incentives, grants, low to no intrest loans?
Now imagine that same game plan with either diesel, hybrid, or E85 fuel.
All you really need is a clever engineer (CAD), and a small foundry to produce engine parts.
Oh, I forgot... Americans like 6 wheel drive, three 28' trailer boats, and any other form of transport that costs more to run per day than it costs to feed 20 families in any of those ass backward countries that sell us everything we own.
Yeah! What was I thinking...
Rock on America!!!!!!!!!!!!!!!!!! Bitches...
(I hope they all choke on my 25 gallon per year exhaust fumes)