Here is a list of the remaining fabric textile mills left in the US
and as I scanned through the list I saw some with Mexico factories.
But if you dont like that connecting threads are outsourced to another country forward this list to them
But please dont forget all of the quilt shop fabrics at are 50% more and still outsourced
http://www.apparelsearch.com/world_c..._Mills_USA.htm
Just from scanning it not many make cotton fabric