| 1 | PFTX | General American Transportation Corp. | 7/1937-1/1941 | | NAKINA |
| 2 | PFTX | Penick & Ford Tank Line (General American Tank Car Corp.) | 7/1935 | | NAKINA |
| 3 | PFTX | P. & F. Tank Line Co., Inc. | 8/1920-7/1932 | | NAKINA |
| 4 | PFTX | Penick & Ford Tank Line (General American Transportation Corp.) | Apr-38 | | NRHS |
| 5 | PFTX | The P. & F. Tank Line Co., Inc. | Apr-38 | | NRHS |
| 6 | PFTX | GENERAL AMERICAN TRANSPORTATION CORP. [P. & F. TANK LINE CO., INC.] | | | PWRC |
