| 1 | RAGX | North Western Refrigerator Line Co. | eliminated 7/1958 | | NAKINA |
| 2 | RAGX | North American Car Corp. | 10/1957 | | NAKINA |
| 3 | RAGX | North Western Refrigerator Line Co., A Division of North American Car Corp. | added 4/1956 | | NAKINA |
| 4 | RAGX | North Western Refrigerator Line Co. | 1/1950-7/1954; eliminated 4/1956 | | NAKINA |
| 5 | RAGX | North Western Refrigerator Line Co. | Jan-52 | | NRHS |
| 6 | RAGX | North American Car Corp. | Oct-57 | | NRHS |
| 7 | RAGX | North Western Refrigerator Line Co. | eliminated 7/58 | | NRHS |
| 8 | RAGX | NORTH WESTERN REFRIGERATOR LINE, DIV. NATIONAL AMERICAN CAR CORP. | | | PWRC |
