ACL |
Atlantic Coast Line |
 |
ACY |
Akron, Canton and Youngstown |
 |
| ALASK |
Alaska Railroad |
 |
| ALCO |
American Locomotive Company |
 |
AT&SF |
(ATSF) Atchison, Topeka and Santa Fe |
 |
| B&A |
Boston & Albany |
 |
| BAOC |
British American Oil Co. |
 |
| BAR |
Bangor and Aroostok |
 |
| B&LE |
Bessemer and Lake Erie |
 |
| B&M |
Boston and Maine |
 |
| BN |
Burlington Northern |
 |
| B&O |
Baltimore and Ohio |
 |
| C&A. |
Chicago and Alton |
 |
| C&IM |
Chicago and Illinois Midland |
 |
| CB&Q |
(CBO) Chicago Burlington and Quincy |
 |
| CCC&StL |
Cleveland, Cincinnati, Chicago and St.Louis |
 |
| CN |
Canadian National |
 |
| CNJ |
Central of New Jersey |
 |
| C&NW |
(CNW) Chicago and NoNh Western |
 |
| C&O |
Chesapeake and Ohio |
 |
| CP |
Canadian Pacific |
 |
| CRI&P |
Chicago, Rock Island and Peoria |
|
| CStPM&O |
Chicago, St. Paul, Minneapolis and Omaha |
|
| D&H |
Delaware and Hudson |
|
| DL&W |
Delaware, Lackawanna and Western |
|
| DM&IR |
Duluth, Missabbe and Iron Range |
|
| D&RG |
Denver and Rio Grande |
|
| D&RGW |
Denver and Rio Grand Westem |
 |
| DT&I |
Detroit, Toledo and Ironton |
 |
| D&TS |
Detroit and Toledo Shore Line |
|
| EJ&E |
Elgin, Joliet and Eastern |
 |
| EMD |
Electro- Motive Division |
|
| Erie-Lack |
Erie-Lackawanna |
 |
| FEC |
Florida East Coast |
|
| GE |
General Electric |
 |
| GM/EMD |
General Motor / Electro-Motive Division |
 |
| GM&O |
Gulf, Mobile and Ohio |
|
| GN |
Great Northern |
 |
| GTW |
Grand Trunk Western |
 |
| IC |
Illinois Central |
 |
| ICG |
Illinois Central Gulf |
|
| KCS |
Kansas City Southern Lines |
 |
| L&C |
Lancaster and Chester |
|
| Lack |
Lackawanna |
|
| LCOL |
Lionel Central Operating Lines |
|
| LL |
Lionel Lines |
|
| L&N |
Louisville and Nashville |
 |
| LNAC |
Louisville, New Albany and Corydon |
|
| LV |
Lehigh Valley |
|
| MD&W |
Minnesota, Dakota and Western |
|
| MKT |
Missouri, Kansas, Texas (KATY) |
|
| MNS |
(MN&S) Minneapolis Northfield and Southern |
|
| MP |
(MoPac) Missouri Pacific |
 |
| MPA |
Maryland and Pennsylvania (Ma and Pa) |
|
| MILW |
Milwaukee Road |
|
| M&StL |
Minneapolis and St Louis |
|
| NC&StL |
Nashville, Chattanooga and St. Louis |
|
| NdeM |
Nacionales de Mexico Railway |
|
| NH |
New Haven |
 |
| NKP |
Nickel Plate Road |
 |
| NLOE |
Nassau Lionel Operating Engineers |
|
| NP |
Northern Pacific |
 |
| N&W |
Norfolk and Western |
 |
| NS |
Norfolk Southern |
 |
| NYC |
New York Central |
 |
| NYNH&H |
New York, New Haven and Hartford |
|
| ON |
Ontario Northland |
|
| PC |
Penn Central |
|
| P&E |
Peoria and Eastern |
|
| PFE |
Pacific Fruit Express |
|
| PHD |
Port Huron and Detroit |
|
| P&LE |
Pittsburgh and Lake Erie |
|
| PRR |
Pennsylvania Railroad |
 |
| RDG |
Reading Railroad |
|
| REA |
Railway Express Agency |
|
| RF&P |
Richmond, Fredricksburg and Potomac |
|
| RL |
Reading Lines |
 |
| RI |
Rock Island |
 |
| RI&P |
Rock Island and Peoria |
 |
| SCL |
Seaboard Coast Line |
 |
| SMARRCO |
San Manuel Arizona Railroad Company |
|
| SP |
Southern Pacific |
 |
| SP&S |
Spokane, Portland and Seattle |
 |
| SR |
Southern Railway |
 |
| SUNX |
Sunoco |
 |
| TA&G |
Tennessee Alabama and Georgia |
 |
| T&P |
Texas and Pacific |
 |
| TP&W |
Toledo, Peoria and Western |
|
| TTXL |
TTX Leasing |
 |
| UP |
Union Pacific |
 |
| USMC |
United States Marine Corps |
|
| V&TRR |
Virginia and Truckee Railroad |
 |
| WAB |
Wabash |
 |
| W&ARR |
(W&A) Western and Atlantic Railroad WM Western Maryland |
|
| WP |
Western Pacific |
 |