Toby also made an Alco 2-8-2T for Northwest Short Lines inaccurately called a Minaret. I have an O scale version-great detail and once re-powered and reworked, a great runner. The actual Minaret was an Alco 2-10-2T and only one was made for Sugar Pine Lumber CO RR. I don't believe anyone made an O scale version.
PFM made 2 O scale engines I am aware of. A Great Northern 4-6-0 and an SP 2-8-0. I have the 4-6-0 and it is a great runner, smooth and quiet. It is for sale if anyone is interested.
Peter