Maybe I'm naive, but I thought Trek made their frames in the U.S. Nope, my LBS says my lil' 520 was shaped/welded/painted in Taiwan of all places. 
Even Cannondale doesn't produce any frames in the U.S. anymore.
*sigh*
What cycling clothing manufacturers make stuff in the U.S. again?
"Things look different from the seat of a bike carrying a sleeping bag with a cold beer tucked inside." ~Jim Malusa
2009 Trek 520-Brooks B-17 Special in Antique Brown
2010 Surly Long Haul Trucker-Brooks B-17 Standard in Black
1983 Fuji Espree Single Speed-Brooks B17 British Racing Green