| 1 | REPX | Reliable Packing Co. | added 7/1953; 7/1954-4/1961; eliminated 10/1963 | | NAKINA |
| 2 | REPX | Mid-West Despatch Car Co. (Reserve Petroleum Co.) | 7/1937-1/1941 | | NAKINA |
| 3 | REPX | Reserve Development Co. | 7/1935 | | NAKINA |
| 4 | REPX | Reserve Petroleum Co. | 7/1930-7/1932 | | NAKINA |
| 5 | REPX | Mid-West Despatch Car Co. | Apr-38 | | NRHS |
| 6 | REPX | Reliable Packing Co. | 10/57-4/61 | | NRHS |
| 7 | REPX | *RESERVE PETROLEUM CO. (MID-WEST DESPATCH CAR CO.) | | | PWRC |
| 8 | REPX | *RELIABLE PACKING CO. | | | PWRC |
