Citicorp Railmark Inc. (trading as Citirail Express) (reporting mark CREX) is a company that leases locomotives to railroads as needed. The company is a subsidiary of Citibank, which itself is a division of Citigroup. It was formerly known as Citicorp Aerolease, and was first formed on May 13, 1970. Locomotives. Citirail used to have 167 locomotives, and now only has 1 locomotive due to the rest of the locomotives sold, or leased, which are listed here: References. External links. Photos of CREX locomotives
https://en.wikipedia.org/wiki/Citicorp_Railmark_Inc._(Citirail)