indicates unit is on the Roster of Existing Baldwin Diesels- Armco
- Bessemer & Lake Erie
- Baltimore & Ohio
- Baldwin Locomotive Works
- Central Railroad of New Jersey
- Conrail
- Delaware & Hudson
- Erie
- Erie Lackawanna
- Gettysburg
- Ironton
- Laclede Steel
- Long Island
- Lehigh Valley
- Monongahela
- New Hope & Ivyland (McHugh Bros.)
- New Haven
- New York Central
- Northampton Development Center
- Pennsylvania
- Penn Central
- Pennsylvania Reading Seashore Line
- Procter & Gamble
- Reading
- Reading Co. Technical & Historical Society
- SMS Lines
- Standard Steel
- Tyburn
- Upper Merion & Plymouth
- U.S. Steel - Northeast
- Warner Sand & Gravel
- New York Central
