Updated: 7/22/18 19:16EST

All models listed by railroad, all railroads include subsidiary and/or parent companies. Rollingstock with different reporting marks will be labeled so. Suggestions are welcome, but that isn't a promise to add them. A percentage of completion of each piece will be listed with the model, and a prototype picture.
(I am not picking up PRR work, as that is fairly well covered)

Steam Locomotive To Do List (By Railroad)

Lehigh Valley:
Early Era 2-6-0 Mogul
J-18 Class 4-6-0 Ten Wheeler
J-25.5 Class 4-6-0 Ten Wheeler
J-55 Class 4-6-0 Ten Wheeler
E-28 Class 4-4-0 Camelback
E-38 Class 4-4-0 American
F-2 Class 4-4-2 Camelback
F-3 Class 4-4-2 Camelback
F-6 Class 4-4-2 Atlantic
H-9.5 Class 2-6-0 Mogul
L-1.5 Class 0-8-0
L-3 Class 0-8-0 Camelback
M-6 Class 2-8-0 Camelback
M-12 Class 2-8-0 Consolidation
M-35A Class 2-8-0 Camelback
N-1 Class 2-8-2 Camelback
N-3 Class 2-8-2 Mikado
O-1 Class 4-8-0 Mastadon
R-1 Class 2-10-2
S-1 Class 4-8-2 Mountain

Delaware, Lackawanna & Western:
Early Era 2-6-0 Mogul
Early Era 2-8-0 Consolidation
Early Era 4-6-0 Ten Wheeler
1880s 4-4-0 American
F-10 Class 2-8-0 Camelback - 50%

Reading Company:
P&R A-5a Class 0-4-0 CamelBack
P&R B Class 0-6-0
RDG B5b Class 0-6-0 CamelBack
RDG B4a Class 0-6-0T
P&R Early Era 2-6-0 Mogul
P&R N-4sa Class 2-6-0 CamelBack
P&R Q-1b Class 2-6-4T
P&R Class I-5a 2-8-0
P&R E-2a Class 2-8-0 Camelback
P&R I-8b Class 2-8-0 Camelback
P&R I-10sa Class 2-8-0
P&R Early Era 4-6-0 Ten Wheeler
P&R L-1c Class 4-6-0 CamelBack
P&R L-7a Class 4-6-0 CamelBack
P&R M-1a Class 2-4-2 CamelBack
P&R C-1a Class 4-4-4
P&R 1880s 4-4-0 American
P&R D-2c Class 4-4-0 CamelBack
P&R D-5 Class 4-4-0 CamelBack
RDG D-11s Class 4-4-0
P&R P-1e Class 4-4-2 CamelBack
P&R P-7sa Class 4-4-2 Atlantic
P&R E Class 0-8-0
P&R E-4a Class 0-8-0 CamelBack
RDG E-5sa Class 0-8-0
P&R 0-10-0 CamelBack
P&R N-1sa 2-8-8-2 Mallet

Central Railroad of New Jersey:
Early Era 2-6-0 Mogul
Early Era 2-8-0 Consolidation
Early Era 4-6-0 Ten Wheeler
A-1 Class 0-4-0T
D-3 Class 4-4-0 American
D-7 Class 4-4-0 American
B-4 Class 0-6-0 CamelBack
C-2 Class 2-6-0 CamelBack
C-3 Class 2-6-0 CamelBack
L-5 Class 4-6-0 CamelBack
J-1 Class 2-6-2T
H-1s Class 4-6-4T
E-2s Class 0-8-0
I-2a Class 2-8-0 CamelBack
I-5 Class 2-8-0 CamelBack
M-3s Class 2-8-2 Mikado
K-1 Class 4-8-0 CamelBack
P-3 Class 4-4-2 CamelBack
P-6s Class 4-4-2 CamelBack

Lehigh & New England Railroad:
LC&N 2 Truck Heisler
L&NE Alco Cooke 2-6-0 Mogul
LC&N E-3 2-8-0 Camelback
L&NE E-5 Class 2-8-0
L&NE E-8 Class 2-8-0 CamelBack
L&NE E-10 Class 2-8-0 CamelBack
L&NE I-1 Class 0-8-0 CamelBack
L&NE I-4 Class 0-8-0 CamelBack
L&NE I-5 Class 0-8-0
L&NE E-13 Class 2-8-0 CamelBack
L&NE E-14 Class 2-8-0
Crane Iron Works B-1 Class 0-6-0
Crane Iron Works B-2 Class 0-6-0
L&NE B-5 Class 0-6-0
L&NE F-1 Class 2-10-0

Lehigh & Hudson River:

SHORTLINES:
Pennsylvania Power & Light 2 Truck Shay
Northampton & Bath
Ironton
Chestnut Ridge