| 1 | MSGX | Merchants Despatch Transportation Corp. | added 1/1954; 7/1954-7/1965; eliminated 10/1965 | | NAKINA |
| 2 | MSGX | Michigan Sugar Co. | 7/1930-4/1938 | | NAKINA |
| 3 | MSGX | Michigan Sugar Co. | Apr-38 | | NRHS |
| 4 | MSGX | Merchants Despatch Transportation Corp. | 10/57-7/65; eliminated 10/65 | | NRHS |
| 5 | MSGX | *MICHIGAN SUGAR CO. | | | PWRC |
| 6 | MSGX | *MERCHANTS DESPATCH TRANSPORTATION CORP. | | | PWRC |