I lost count so I will do my best:
Pennsylvania RR
EMD:
NW2
SW1 WIP
SW9
F7: 1 (ABA)
E7: 2pairs {ABA} {AA}
E8: 4pairs {[2]ABA} [2] A-A
GP7 : 3 (2 powered, 1 non-powered)
GP9: 1
GP9b : 1 WIP
GP30 : 2 (1 powered, 1 non-powered both w/ trainphone)
GP35: 2 (1 powered, 1 non-powered)
SD9: 1
SD35 : 2 (1 powered, 1 non-powered)
SD40 : 2 (1 powered, 1 non-powered)
SD45: 2 (powered)
ALCo:
FA-1 A-B-A
FA-2 A-B-A
PA-1 3 sets (A-B-A, A-A)
RS1: 1
RS3: 2 (powered- 1 is a hammerhead)
RS11: 3 (2 powered, 1 non-powered)
RS27: 2 (1 powered, 1 non-powered)
RSD4 :1
RSD7 : 2
RSD12 : 2
C628 : 2 (1 powered, 1 non-powered)
C630 : 2 (powered)
GE :
U25B: 2 (1 powered, 1 non-powered)
U30C: 1 (unpowered)
FM :
H15-44 (1 powered, 1 non-powered)
H20-44
FM C-Liner : 3 (A-B-A) WIP
FM Erie-Built: 4 (A-B-B-A 2 powered, 1 non-powered)
FM H24-66 : 2 (1 powered, 1 non-powered)
BLW :
BP20 A-B-A
AS616: 2 (1 powered, 1 non-powered)
DRS16 [RF16]: 8 (3 powered, 5 non-powered A-B-B, A-B-A, A-A)
Centipede: 1 pair AA
Transfer unit
ALTOONA WORKS:
Boxcab
Conrail :
EMD
MP15DC
Gp15
GP38-2: 3
Gp40 :1 non-powered
GP40-2 : 1 WIP
SD60: 2 (1 powered, 1 non-powered)
SD60M 2 (1 powered, 1 non-powered)
SD70: 1 (non-powered)
GE:
B40-8: 2
C30-7: 2
C40-8: 2 (1 powered, 1 non-powered)
C40-8W: 2 (powered)
Demonstrators:
EMD:
FT: 1 (ABA)
F3: 2 pairs (ABBA) (A-B)
SW8
GP7 : 1
GP20 : 1
GP30 :1
GP35 :1
GP60 : 2 (1 powered, 1 non-powered)
GP38-2 [2] Lease units (1 powered, 1 non-powered)
SD24: 2 (1 powered, 1 non-powered)
SD40[EMD Lease]
Sd40-3MPR WIP
SD60: 2
SD70M 2 (1 powered, 1 non-powered)
ALCo:
RSD7 : 2 (1 powered, 1 non-powered)
C628 : 2 (1 powered, 1 non-powered)
GE :
C44-9W "Impersonator": MTH Early Premier
C60
BLW:
DRS16 [RF16]:2 (1 powered, 1 non-powered)
Centipede : 1 pair
Trackmobile
AMTRAK :
F40ph : 2
B32-8W : 2
Genesis : 2