MMID / Maryland Midland Railway
Founded in 1980. HQ in Union Bridge.
MMID SD40-2 3449
6
MMID SD50-3 5020
9
MMID SD50-3 5020
6
MMID SD40-2 3449
7
MMID SD40-2 3451
1 1
MMID SD40M-2 3451
4
MMID SD40-2 3449
7
MMID SD40-2 3449
3
MMID SD40-2 3449
10
MMID SD40M-2 3451
6
MMID SD40-2 3448
1 10
MMID GP38-3 2060
20 
MMID GP38-3 2061
9
MMID GP38-3 2060
3
MMID SD40M-2 3451
5
MMID SD40-2 3450
7
MMID SD40-2 3450
11
MMID SD40-2 3448
5
MMID SD40-2 3449
2 10
MMID SD40M-2 3451
14 
MMID GP38-3AC 304
1 9 
MMID GP38-3DC 300
1
MMID GP38-3AC 304
6
MMID GP38-3AC 304
9 