Tor is a wholly-owned subsidiary of Macmillan which is in turn owned by Holtzbrinck of Stuttgart Germany:
https://en.m.wikipedia.org/wiki/Geor...blishing_Group
TOR.COM is an entirely separate MacMillan operation that (supposedly) has nothing to do with Tor.
As for the Randy Penguin, the last I heard they were publishing 17,000 titles in 2014.
Which is about half the output of the 5 BPHs.
The total US output in 2013 was well over 300,000K