Here is a list of the fictional locomotive builders I know of. Does anyone know of others?
http://clcotrains.embarqspace.com/http://www.freewebs.com/sblocomotives/index.htmhttp://www.freewebs.com/nrglocomotiveworks/index.htm http://www.freewebs.com/gdrmb-sbl/index.htm http://www.freewebs.com/cmpco/ http://www.freewebs.com/cdli/ http://home.att.net/~Berliner-Ultrasonics/bwapocdx.html