Electro-motive Diesel Website
Does Caterpillar own progress rail?
Progress Rail Services Corporation (reporting mark PRLX), a wholly owned subsidiary of Caterpillar since 2006, is a supplier of railroad and transit system products and services headquartered in Albertville, Alabama.
Progress Rail - Wikipedia
Is Electro-Motive still in business?
Electro-Motive continues to produce locomotives today but in name only; the company is now a division of Progress Rail, a Caterpillar company.
Electro-Motive Diesel (Division): Engines, Locomotives, History
General Motors put EMD up for sale in 2004, and in 2005 it became Electro-Motive Diesel, maintaining its famous initials under new ownership.
General Motors Once Built Locomotives - Really Good Ones