I have added a few short articles to the online database to let you see what I have in mind for gathering company biographies. Check out these companies:
FER-591, Ferrocarril Hidalgo Tulancingo & Tuxpam
MER-200, Merchants & Miners Transportation Co
STP-318, St Paul Eastern Grand Trunk Railway Co
TON-846, Tonopah & Tidewater Railroad Co Ltd
UIN-500, Uintah Railway Co
WIL-110, Wilkes Barre Connecting Railroad Co