Made in USA:
Plato Farmers' Market
Bully sticks, antlers (both can be found on Amazon)
(Their new Z bones are such a big hit most stores can't keep them in stock! http://www.zukes.com/woof/z-bones.html )
You will find the above and many more, at good prices, here: http://www.doggiefood.com/ Caution: not everything at Doggie Food is made in USA, you do have to read labels, research online, before ordering. Most of Tony's items, he includes the info in his description, but he has missed a few. So pay attention!