On October 10, 2017 I stopped at the Burroughs-Ross-Colville handle plant in McMinnville, TN, and learned that the handle plant closed in 2016. It is for sale, and I have scanned an extra sales packet. The contact phone numbers are on page 3:
Burroughs-Ross-Colville Sales Packet
There is a complete equipment list which I didn't get, but the handle plant has a number of Defiance copy lathes, and includes the original line shafts (no longer used).