Citicorp Railmark Inc. (Citirail)
Citicorp Railmark Inc. 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 previously owned a fleet of 167 locomotives, but now only retains one unit. The remainder were sold or leased, as detailed below:| Model | Quantity | Numbers | Notes |
| GE ES44AC | 15 | 1201–1215 | Built 2012. All sold to CN. |
| GE ES44AC | 50 | 1301–1350 | Built 2013. All sold to CN. Unit 1331 was wrecked and retired. |
| GE ES44AC | 35 | 1401–1435 | Built 2014. All sold to CN. |
| GE ES44AC | 25 | 1501–1525 | Built 2015. All sold to CN except 1504–1505, which went to ArcelorMittal Liberia. These are Tier 4 credit units. |
| EMD SD40-2 | 1 | 6214 | — |
| GE C40-8 | 41 | 2026, 9023–9037, 9039–9048, 9050–9064 | Ex-Union Pacific Railroad, originally C&NW. Unit 9049 was renumbered to 2026. All sold to CN. |